06-03-09-004H
Service Bulletin/Repair Instructions
This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle.
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
06-03-09-004H
This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle.
PIT3227M
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT3665E
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIC5953A
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
03-08-46-004R
This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)
06-06-01-010C
This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
15-00-89-005
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
00-06-01-026G
This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
07-00-89-037H
This warranty administration bulletin provides policy information on courtesy transportation and roadside assistance programs.
07-06-04-019E
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
02-00-89-002O
This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only).
SB-07-06-04-019A
GENERAL MOTORS: INTERMITTENT MIL/SES/ DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-08 GM PASSENGERS CARS/LIGHT DUTY TRUCKS (INCL. SATURNS). *PE UPDATED 11/5/10. *PE UPDATED 4/4/11. *PE UPDATED 2/3/16. *PE
02-07-30-052J
This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
05-06-04-035E
This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.
00-06-01-026F
This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
15-08-44-001A
This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
15-08-44-001B
This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
PIC4310L
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
05-08-46-009D
This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
13-08-116-001B
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
00-05-22-002O
This informational bulletin provides technicians with a brake lathe calibration procedure.
04-00-89-015J
This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations.
12-06-01-008B
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
15-08-44-001
This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
15-08-73-001
This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
PIT5264C
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a "500 phone number" The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
05-00-89-055E
This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.
PIT3271G
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIC3278F
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a "Phone Unavailable" audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A "Ready" or "OnStar ready" audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ?push to talk? button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
PIC4310K
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
06-08-43-003E
This informational bulletin explains how to care for wiper blades.
07-08-49-020I
This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.
04-00-89-015H
This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written.
08-08-44-015E
This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
SB-080604003-C
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. *PE
SB-13-05-22-001
CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. MODEL 1999-2007 SILVERADO, SIERRA, 2000-2006 ESCALADE MODELS, AVALANCHE, SUBURBAN, TAHOE, YUKON MODELS. *PE UPDATED 7/18/14. *PE UPDATED 12/9/14. *PE
PIT4780Q
This Preliminary Information communication advises the technician that parallel hybrid truck parts are on parts restriction. Dealer will need to call General Motors Technical Assistance Center for further assistance.
UIB-117
GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. MODEL 2003-15 EXPRESS CUT AWAY VANS, SILVERADO CHASSIS CAB, SAVANA CUT AWAY VANS, SIERRA CHASSIS CAB. *PE
PIP3119M
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
050310020
USE OF NITROGEN GAS IN TIRES. *AK 2015 AND PRIOR GM PASSENGER CARS & TRUCKS (INCLUDING SATURN) ALSO 2008 AND PRIOR HUMMER H2, H3, SAAB 9-7X. UPDATED 5/12/08. *NJ UPDATED 04/15/2014 *JS
PIT5195A
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIT3189R
This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. On 2010 to 2014 model years technician will need to contact Techline Customer Support for calibrations.
PIP4379K
This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0701 first. Technician will also ensure the fluid level is at the top of the hot band when the transmission fluid temperature is 175° Fahrenheit. Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723 can set by the following fluid service/filter change, transmission service involving removing the pan, low fluid level caused by leaks, or after long periods of storage. If the fluid level has been properly checked using the HOT check procedure listed in Service Information document 2408059 and any of the Diagnostic Trouble Codes reset during a cold start inspect the internal suction filter for possible cracks. If no other concerns are found inspect for a stuck lube regulator valve in the pump cover due to debris.
PIT3237G
This Preliminary Information communication provides information to the technician about the percentage of UV protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces UV rays down to 4% or less. Front side door glass reduces UV rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are Solar glass with a light transmission of >/=70%. Rear door glass, quarter windows and back windows can use either Solar glass (>/=70%) or Privacy glass, which has a light transmittance of 20%.
01-03-10-003K
This warranty administration bulletin provide policy information on GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information.
06-00-89-026L
This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
06-06-01-010B
This informational bulletin provides information on close-coupled converter and engine replacement.
00-03-10-003R
This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
PIP3119L
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
PI-0011A
GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
PIT4780M
This Preliminary Information communication advises the technician that the 2004-2007 Parallel Hybrid Truck parts will be placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP4972C
This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Technician may find Diagnostic Trouble Code P0877 or P2723 set. Technician will need to inspect the valve body separator plate orifices for debris.
PIP-4290
ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED. EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ UPDATED 4/22/13. *PE
PIT5195
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 miles per hour at any given speed when looking straight at the needle.
PIP4138L
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
11-00-90-001A
This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
11-00-89-005C
This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
PIP3259J
This Preliminary Information communication provides information to the technician about vehicles that may have a planetary gear whine noise in first and second gear. Technician should compare the noise to a like vehicle. Technician will need to check the build date of the transmission, if it was built after 09/01/2003 and it is determined that a vehicle has an abnormal amount of noise, perform the rear unit end play check. Technician will replace the output planetary gear set if end play is out of specification. The transmission assembly will need to be replaced if the end play is with in specification.
PIT3271F
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
10-00-89-017X
This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them.
PIT3330F
This Preliminary Information communication provides information to the technician about customers may inquire about the availability of the passenger compartment air filter. Dealer should advise the customer starting in 2003 the passenger compartment air filter is no longer available as a factory option.
PIT3665C
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIP5072
This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Technician will inspect the 3-4 clutches and the forward clutch oil feed passages for leakage between circuits. Technician should apply regulated compressed air to the 3-4 clutch feed hole and the forward clutch feed hole one at a time with the input housing. Technician will need to replace the input housing if there is an air leak 3-4 clutches.
PIT3078F
This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Technician should be advised to not clean the purged grease from the area immediately on or adjacent to the seals because this grease provides additional protection. Technician should only replace the bearing if the seals show visible damage, bearing endplay is greater than 0.005" or 0.13mm, bearing exhibits rough rotation, or bearing exhibits abnormal noise.
09-09-40-001A
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
SB-10240
GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HVAC BLOWER MAY NOT WORK AT CERTAIN FUNCTIONS OR MAY BECOME INOPERABLE. THERE COULD BE A BURNING SMELL OR SMOKE. *RM UPDATED 4/6/12. *PE
SB-09-06-03-004A
GM/HUMMER/SAAB: INTERMITTENT ILLUMINATION OF MIL, SERVICE LAMPS, SERVICE MESSAGES, OR DTC SET BY VARIOUS CONTROL MODULES-DIAGNOSING AND REPAIRING FRETTING CORROSION (DISCONNECT AFFECTED CONNECTOR AND APPLY DIELECTRIC LUBRICANT). *PE UPDATED 3/26/10. *PE UPDATED 6/6/11. *PE UPDATED 3/12/12. *PE
PIP-3366-B
CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. *PE
05-09-40-002E
GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
PI-0474
GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM
PIP-4492P
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
050232008
GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
PB-10037A
GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING. WHEN HAVE A DATA CONNECTION. *RM
PIP-4851
GM: THERE IS AN INTERMITTENT ENGINE LIGHT ON DUE TO FIVE POSSIBLE INTERNAL TROUBLE CODES. THERE MAY ALSO BE AN EXTENDED CRANK AFTER FILLING THE FUEL TANK. *RM UPDATED 5/31/11. *PE UPDATED ON 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB
10-00-89-017C
GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM
PIP-4138K
GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM
PI-0298
GM: WHEN DRIVING UPHILL THE TRANSMISSION MAY NOT SHIFT OUT OF FIRST OR WILL SLIP INTO SECOND GEAR DUE TO A TORN CLUTCH SEAL. THERE MAY BE TWO INTERNAL TROUBLE CODES STORED. *RM
PIP-3504C
GM: THERE IS A DIESEL ENGINE HARD START WHEN HOT. STARTS FINE WHEN COLD. THERE WILL BE NO INTERNAL TROUBLE CODES. *RM
PIT4193
P245/70R17 GENERAL AMERITRAC TIRE WEAR VIBRATION. *KB UPDATED 12/13/07. *NJ UPDATED 1/30/08. *NJ UPDATED 5/25/11. *PE
3189
UNABLE TO DISABLE AUTO DOOR LOCKS. THIS INCLUDES 05 CHEVROLET GMC CADILLAC FULL SIZE TRUCKS AND UTILITIES. *EH ALSO INCLUDES AVALANCE, SILVERADO SUBURBAN TAHOE; GMC SIERRA, YUKON, DENALI, YUKON XL, DENALI XL. UPDATED 8/26/08. *PE UPDATED 5/9/11. *PE
SB-10-02-33-001
BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO SERVICE JUST LEAKING PITMAN SHAFT SEAL. *PE UPDATED 5/9/11. *PE
SB-09038
CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENHANCED CALIBRATION FOR TRANSMISSION OVERHEAT IN EXTREME COLD AIR TEMPERATURES. LOCATED IN CERTAIN US COLD WEATHER STATES; ALBERTA, BRITISH COLUMBIA, MANITOBA, NEW FOUNDLAND, NORTHWEST TERRITORIES, ONTARIO, QUEBEC, SASKATCHEWAN, AND YUKON. SILVERADO HD AND SIERRA HD 2006-2008. *PE CSC LETTER WAS RECEIVED (ONLY). UPDATED. *PE PROGRAM BEEN REVISED TO EXPIRE 9/30/11. *PE
3586
DIESEL ENGINE GLOW PLUG TROUBLE CODES. *TT UPDATED 3/15/10. *PE
3630
INACCURATE FUEL GAUGE READINGS/REAR FLOAT ARM STUCK. *TT UPDATED 03-01-07. *KB UPDATED 3/15/10. *PE
SB-08-06-04-029B
GENERAL MOTORS: LBZ, LLY, LMM MIL/SES LIGHT N DTC P0087-FUEL RAIL PRESSURE (FRP) TOO LOW, LACK OF PERFORMANCE, NO POWER, ENGINE RUNS ROUGH, NO START (DIAGNOSE FUEL SYSTEM COMPONENTS). *PE UPDATED 3/1/10. *PE
3187
ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS. *EH UPDATED 6/11/10. *PE
030525007
ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE). *TT UPDATED 10/23/09. *PE
TB-09-06-04-022
GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE UPDATED 11/23/09. *PE
PIP-4629
CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
07293
CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TRANSMISSION OVERHEAT IN EXTREME COLD AMBIENT TEMPERATURES - REPROGRAM TCM. LOCATED IN ALASKA AND MINNESOTA; CANADIAN YUKON AND NORTHWEST TERRITORIES ONLY. *NJ CSC WAS RECEIVED. UPDATED 3/13/08. *NJ UPDATED 4/24/08. *NJ UPDATED 7/8/09. CSC LETTER WAS RECEIVED. *PE
3317
HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT UPDATED 7/13/09. *PE
3893
LOSS OF IGNITION 1 VOLTAGE TO THE IGNITION COILS. CONSUMER EXPERIENCED INTERMITTENT STALL, MISFIRE, OR CRANK NO START. THERE MAY BE NO TROUBLE CODES SET. *KB UPDATED 3/17/09. *PE
08089-B
GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
PIT-4722
GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION. ALL 2000-2006 LIGHT DUTY TRUCKS EQUIPPED WITH THE LIGHT DUTY AUTOMATIC TRANSMISSION. *PE
PIT3504D
SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE
PIT-3046E
GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE
PIP-4430
GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. *PE
08-089
BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
08136
CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON-BOARD DIAGNOSTICS (OBD)-FUEL LEVEL SENDER-REPROGRAM ENGINE CONTROL MODULE (ECM). CSC WAS RECEIVED. *PE
3009
SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH. *KB UPDATED 8/25/08. *PE
000235003N
CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE
08-07-30-015
DIAGNOSTIC INFORMATION ON MN8, MT1 SES/MIL ILLUMINATED, DTC P0757, HARSH SHIFT, DELAYED 2-3 SHIFT, 2-3 SHIFT FLARE, NO THIRD GEAR, SLIPS IN THIRD GEAR OR REVERSE. *PE
08-07-30-016
DIAGNOSTIC INFORMATION ON MH1, MN8, MT1, M15 TRANSMISSION SLIPS, WILL NOT SHIFT OR MAY OVERHEAT, SES/MIL MAY BE ILLUMINATED, DTCS P0218, P0894 SET. *PE UPDATED 8/12/08. *PE
PIP4307
SES LIGHT ON DUE TO DTC P0101 AND/OR P0106 - INSPECT AIR FILTER AND/OR MAP SENSOR . WITH 6.6L DIESEL ENGINE (RPO, LBZ, LLY, OR LMM). *NJ UPDATED 5/13/08. *NJ
PIP3605
DTC U0101, NO ENGINE CRANK AND NO TECH II COMMUNICATION WITH TCM. EQUIPPED WITH ALLISON LCT1000 (RPO-MW7) AUTOMATIC TRANSMISSION. *NJ
PIP3343
POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ
PIP4054A
EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
05-04-21-003
SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
3061
DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH FOUR WHEEL DRIVE (4WD) ONLY. *NJ
070842013
TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ
040232001
RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. *TT UPDATED 08-15-07. *KB UPDATED 10/09/07. *NJ
060604010
INFORMATION ON 3.5L, 3.9L, AND 5.3L E85 FUEL COMPATIBLE VEHICLES, WITH ALCOHOL CONTENT, SWITCHING BETWEEN GASOLINE AND E85 FUEL. *KB UPDATED ON 09/19/07. *NJ
040525002
ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB
06162
SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES E85 VIRTUAL FLEX FUEL SENSOR (VFFS) UPDATE- REPROGRAM ECM. *KB
060604066
LBZ, LLY, ENGINE WITH ROUGH IDLE, POOR PERFORMANCE, BLACK/WHITE EXHAUST SMOKE, MIL/SES LIGHT ON AND ONE OR MORE OF THE FOLLOWING DTC'S P003A, P060B, P0230, P0403, P0401, P0606, P2146, P2149, P2152, P2155. (REPROGRAM ECM AND REPLACE EGR MOTOR OR EGR VALVE. *KB UPDATED 04-27-07. *KB UPDATED. *PE
000235003
CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *EH UPDATED *EH UPDATED. *KB
010310010
INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. *KB
040604001
VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC. *TT
060417002
REAR DRIVE AXLE WHINE NOISE (REPLACE SLIP YOKE ASSEMBLY). *KB
050138012
EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB
3910
ALLISON TRANSMISSION EQUIPPED VEHICLES SETTING DIAGNOSTIC TROUBLE CODE (DTC) P0877. VEHICLES EQUIPPED WITH ALLISON LCT1000 MW7 TRANSMISSION. *KB
4024
REAR BRAKE PULSATION CHECK DRUM TO AXLE CLEARANCE, WITH RPO JF3 OR JF7. *KB
4150
DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS. STALL START TANK TRANSFER. VEHICLES WITH 6.6L RPO LB7 OR LLY ENGINES. *KB
3878
DIESEL FUEL SYSTEM ENGINEERING INVESTIGATION. *KB
3227
TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB
3958
REAR DRUM BRAKES EXCESSIVE WEAR, DRAG, AND AGGRESSIVE. *KB
030604036
INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB
3931
NO MOVEMENT WHEN THE SHIFT LEVER IS MOVED TO D4 OR D3. NORMAL OPERATION WHEN MOVED TO D2 D1 OR REVERSE. *KB UPDATED. *KB
3713
DOOR GLASS POPS OUT OF RUN CHANNEL. *KB
3927
ENGINE WITH A REPEAT CRACKED FLYWHEEL. *KB
3340
LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB
06045
MISSING MERCURY DISPOSAL NOTICE LABEL. *TT
060730013
VEHICLE SHUDDER WHEN DRIVING IN 6TH GEAR RANGE. *KB
06521
PRODUCT ENHANCEMENT FOR INVENTORY VEHICLES ONLY. TRANSMISSION CONTROL MODULE (TCM) ELECTRICAL CONTACT NOTICE LABEL - EXPIRES ON SEPTEMBER 30, 2006. *TT
030693001
DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE. *KB
060308002
REVISED UPPER CONTROL ARM REPLACEMENT. *TT
060601006
INFORMATION ON 2006 6.6 LBZ LLY DURAMAX DIESEL ENGINE CYLINDER HEAD GASKET CHANGE - NEW HEAD GASKET AND TORQUE SPECIFICATION. *TT
06522
ENGINE GLOW PLUG SYSTEM CONCERN - REPROGRAM GLOW PLUG CONTROL MODULE. *TT
050235003A
EI05061 - INTERMEDIATE STEERING SHAFT CLUNK NOISE OR STICK-SLIP (FOLLOW STRATEGY BASED DIAGNOSTICS). 05-02-35-003 AND 05-02-35-003A NOT YET RECEIVED. *TT
050730017
4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION. *TT
060310003
INFORMATION ON P245/75R16 GOODYEAR WRANGLER ST TIRE USAGE/IDENTIFICATION. *TT
060864006
WIDE LOAD OUTSIDE REAR VIEW MIRROR (RPO DPN) GLASS CRACKED, BROKEN OR FELL OUT OF MIRROR HOUSING. *TT
030850014
INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MODEL. *TT
040525002B
ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT
050601034
ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
030310006
REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO. *TT
030310006D
20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *EH *TT
050844027
INFORMATION ON VEHICLES WITH A STORED HISTORY DTC B1259 ANTENNA GROUND CIRCUIT. *TT
050844028
REMOTE CD CHANGER CLICKING ON INITIALIZATION, FREEZING UP OR LOSES PLACE IN A SONG (NO FIX AT THIS TIME, FIX UNDER DEVELOPMENT). *TT
030693001A
DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES. *TT
3001
NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS. 03-04 CHEVROLET ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 GMC ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 CADILLAC ALL FULL SIZE UTILITIES. *MJ
3002
SERVICE VME - SWITCHING MIRRORS FROM POWER FOLDING TO POWER EXTENDING. *MJ
3009A
SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH. *MJ
3061C
DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT
3068
OIL SEEPAGE FROM TURBO AIR CHARGE COOLER HOSES OR HOSE BLOWING OFF DURING ACCELERATION. POSSIBLE DIAGNOSTIC TROUBLE CODE P0299. *TT UPDATED 04-24-07. *KB
3068B
TURBO AIR CHARGE COOLER HOSES OIL SEEPAGE OR BLOWS OFF ON ACCELERATION. THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH
3075
BLOWN MBEC 1 OR LBEC 1 FUSE. *KB
3075B
BLOWN MBEC 1 OR LBEC 1 FUSE. *TT
3083
M74 ALLISON LCT1000 PTO GEAR APPLICATIONS. *TT
3089
SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT
3105
PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT. *TT
3136
SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
3156
261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT
3170
HARSH 1-2 SHIFT. *EH
3190
UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *KB
3287B
HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS. DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT
3300C
APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT
3309
INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT
3331
VOLTMETER IS FLUCUATING BETWEEN 12 AND 14 VOLTS ON THEIR NEW 2005 CHEVROLET/ GMC/ CADILLAC MODEL YEAR LIGHT DUTY FULL SIZE PICKUP AND UTILITY. *SC
3386
LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
3401
TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED. *TT
3424
ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
3425
UNABLE TO PROGRAM TIRE SIZE IN EBCM/VSES. *KB
3475A
BULLETIN-SIT-BULLETIN-NO FORWARD, SLIPS, DTC P0875 P0876. *SC
3480A
RATTLE NOISE AT HIGHWAY SPEED IN 2WD. *TT
3491
HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK. *TT
3504
HARD START HOT ONLY AFTER THE ENGINE HAS REACHED OPERATING TEMPERATURE AND THEN SHUT OFF. *TT
3549
BULLETIN-SIT-BULLETIN-1703724: RUBBING NOISE FROM THE REAR PROPSHAFT. *SC
3562
BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE. *KB
3564
ENGINEERING INVESTIGATION ON THE 2006 6.6 DIESEL INJECTORS. *TT
3568
SERVICE BRAKE BOOSTER MESSAGE. *KB
3569
SERVICE VME - 8.6 INCH REAR AXLE WHICH EXHIBIT A GEAR WHINE CONDITION (UNTIL DECEMBER 23, 2005). *TT
3570
DIESEL ENGINE GLOW PLUG CONTROL MODULE CAUSING NO COMMUNICATION WITH GMLAN. *TT
3573
UNWANTED OPERATION OF REAR WINDOWS. *TT
3609A
HARSH 1-2 SHIFT, MALFUNCTION INDICATOR LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0894 STORED IN PCM. *TT
3616
SERVICE VME - 2006 DURAMAX DIESEL ENGINE FUEL SYSTEM COMPONENTS ARE NOT INTERCHANGEABLE WITH EARLIER YEAR MODEL VEHICLES. *TT
3630A
FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS. *TT
3632
SERVICE VME - ENGINEERING IS INVESTIGATING GLOW PLUG FAILURES IN NORTHERN INDIANA, NORTHERN OHIO, AND SOUTHEAST MICHIGAN. *TT
3647
DIESEL ENGINE VIBRATION FELT AT ALL RPM. *TT
3650
ENGINE OVERHEATING NO COOLANT FLOW. *TT
3661
LCT1000 INTERMITTENT NO DRIVE ENGAGEMENT WHEN COLD. *TT
3665
4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE. *TT
3673
CRUISE CONTROL INOPERATIVE AND/OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0833 STORED. THE CONDITION MAY NOT BE ABLE TO BE DUPLICATED BY THE DEALER YET THE CONSUMER MAY HAVE A REPEAT CONCERN. *AK
3681
ALLISON LCT 1000 OVERHEAT DIAGNOSTIC TROUBLE CODE P0218, P0741 AND /OR P0742. *AK
3691A
FRONT HVAC BLOWER INOPERATIVE. *TT
3721
SERVICE VME - GLOW PLUG CONTROL MODULE CALIBRATIONS ON TIS DATA 2.5. *TT
3722
DIESEL ENGINE EXTENDED IDLE SMOKE. *TT
3727
SERVICE TIRE PRESSURE MONITORING SYSTEM DIAGNOSTICS CODES. *TT
3728
SERVICE VME - BRAKE PULSATION DUE TO ROTOR CORROSION. *TT
3744
DURAMAX HEAD GASKET AND TORQUE SPECIFICATION CHANGE. *TT
3766
FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE. *TT
3767
STALLING SES OR NOISE CAUSED BY DISTRIBUTOR GEAR WEAR. *AK
3768
UNABLE TO REMOVE PROTECTIVE COATING FROM BODY. *TT
3779
SQUEAK NOISE ON BRAKE APPLY. *TT
3812
THROTTLE BODY CODES P2108, P1516, AND U0107. *TT
3870
CLUTCH PEDAL FADE OR CLUTCH WILL NOT DISENGAGE TYPICALLY WHEN TOWING. *TT
3967
NO CRANK, IGN A 40 AMP FUSE BLOWN. *TT
3999
LOSS OF POWER WHEN DRIVING IN EXTREME WINTER WEATHER. *KB
4006
WHINE HOWL NOISE FROM THE REAR DIFFERENTIAL ON VEHICLES EQUIPPED WITH AN 8.6 REAR AXLE. *KB
4030
NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB
4087
POWER STEERING PUMP LEAK/ INCORRECT MOUNTING BOLT. *KB
4133
TRANSMISSION SLIPS, WILL NOT SHIFT, SES LIGHT MAY BE ILLUMINATED. *KB
4144
ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB
4179
DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION. *KB
4223
BRIDGESTONE DURAVIS TIRE CHIP AND TEAR ISSUE. *KB
4231
SERVICE VME. SUPPLEMENT TO 00-02-35-003L. UPDATE ON NEW I-SHAFT. *KB
4365
IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB
4486
ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.