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.
PIC4696E
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
PIC4696D
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
PIC4696C
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
130089009
Service Bulletin/Repair Instructions
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
010601002A
Service Bulletin/Repair Instructions
REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT
990604005A
Service Bulletin/Repair Instructions
SOME OWNERS MAY COMMENT ON DRIVEABILITY SYMPTONS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
990730030A
Service Bulletin/Repair Instructions
OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING BRAKE NOT APPLIED. *TT
990730030
Service Bulletin/Repair Instructions
SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT
990604005
Service Bulletin/Repair Instructions
SOME OWNERS MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *TT
98018
Service Bulletin/Repair Instructions
PROM CALIBRATION REPLACEMENT FOR NOX EMISSIONS. *YC
876002A
Service Bulletin/Repair Instructions
SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT REAPPEAR UNTIL THE NEXT CHANGE OF OIL. *TT
98576124A
Service Bulletin/Repair Instructions
COMMENTS ON A TICKING TYPE NOISE THAT BEGINS SHORTLY AFTER COLD ENGINE START-UP AND GRADUALLY DIMINISHES AS THE ENGINE WARMS UP. *YC
98876121A
Service Bulletin/Repair Instructions
VEHICLES MAY EXHIBIT A CLATTERING NOISE AT IDLE SPEED ORIGINATING FROM THE TIMING CHAIN AND FRONT COVER AREA. *YC
98776304A
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *YC
971101776304
Service Bulletin/Repair Instructions
SUBJECT PERTAINING TO DRIVEABILITY SYMPTOMS DUE TO FUEL INJECTOR DEPOSITS. *YC
9709013202B
Service Bulletin/Repair Instructions
EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC
970801735026
Service Bulletin/Repair Instructions
COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES (DTC'S) 46 AND 86 SET AS CURRENT OR HISTORY. *YC
970701731507
Service Bulletin/Repair Instructions
CONDITIONS CAUSED BY INCORRECT REAR SUNFOOF SUPPORT BRACKETS BEING USED AND/OR THE SUNFOOF MODULE ASSEMBLY BEING INCORRECTLY FITTED. *YC
676305
Service Bulletin/Repair Instructions
DIFFICULT TO DEPRESS ACCELERATOR PEDAL AND/OR ACCELERATOR CABLE SEPARATION (INSTALL ACCELERATOR CABLE AND CLIP). *TW
431041A
Service Bulletin/Repair Instructions
UNKNOWN
576124
Service Bulletin/Repair Instructions
COLD ENGINE TICK OR RATTLE AFTER START-UP (REPLACE PISTON/PIN ASSEMBLY). *SD
9573T4001
Service Bulletin/Repair Instructions
GRINDING AND/OR GROWLING NOISE IN PARK ON INCLINE.*SD
531018
Service Bulletin/Repair Instructions
UNKNOWN
576201
Service Bulletin/Repair Instructions
COOLANT LEAK AT THE FRONT COVER OUTLET TO HEATER INLET NIPPLE (NEW TORQUE SPECIFICATION). *SD
576305
Service Bulletin/Repair Instructions
UNKNOWN
576501
Service Bulletin/Repair Instructions
UNKNOWN
531005
Service Bulletin/Repair Instructions
FRONT WINDOW SCRAPING NOISE WHEN ROLLING GLASS DOWN. *TW
577104
Service Bulletin/Repair Instructions
HARSH 1-2 UPSHIFTS. *TW
577106
Service Bulletin/Repair Instructions
COLD START RATTLE NOISE. *TW
133405
Service Bulletin/Repair Instructions
REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW
435012A
Service Bulletin/Repair Instructions
ABS WARNING LIGHT IS ON. *TW
436604
Service Bulletin/Repair Instructions
EXHAUST MANIFOLD SEAL SQUEAK. *TW
433205A
Service Bulletin/Repair Instructions
TURN SIGNAL LEVER WILL NOT STAY IN DETENT POSITION. *TW
435009
Service Bulletin/Repair Instructions
NEW DIAGNOSIS AND CORRECTION PROCEDURES FOR FRONT BRAKE PULSATION. *TW
435012
Service Bulletin/Repair Instructions
ABS WIRE HARNESS FOR THE RIGHT FRONT WHEEL MAY RUB ON THE BRAKE LINE CAUSING THE ABS WARNING LIGHT TO COME ON. *TW
476520
Service Bulletin/Repair Instructions
CRANK NO START/RUNS ROUGH AFTER EXTREME COLD WEATHER SOAK. *TW
476135
Service Bulletin/Repair Instructions
OIL LEAK AT THE ROCKER COVER. *TW