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.
PIT-3665-A
Service Bulletin/Repair Instructions
GENERAL MOTORS: ON ALL 1988-2009 FULL SIZE CHEVROLET/GMC PICKUPS, UTILITIES AND VANS, THE BRAKE PEDAL WILL MOVE DOWN OR SELF APPLY DURING FULL LOCK TURNS OR NEAR FULL LOCK TURNS. CHEVROLET ASTRO AND GMC SAFARI VANS; HUMMER 2 ARE INCLUDED. *PE UPDATED 5/24/11. *PE
020730024A
Service Bulletin/Repair Instructions
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
01667
Service Bulletin/Repair Instructions
WINDOW REGULATOR MOTOR DOES NOT FIT. *TT
990730016A
Service Bulletin/Repair Instructions
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT
020864013
Service Bulletin/Repair Instructions
SOME CUSTOMERS MAY COMMENT THAT THE RIGHT REAR DOOR HANDLE ON THE CARGO DOOR BREAKS. *TT
240699
Service Bulletin/Repair Instructions
SUBJECT REGARDING ABS 3-SENSOR EBC4 - SPECIAL POLICY. *TT
676537
Service Bulletin/Repair Instructions
INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM). *TW
96067A
Service Bulletin/Repair Instructions
SPECIAL POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW
666309
Service Bulletin/Repair Instructions
ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW
96067
Service Bulletin/Repair Instructions
POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW
566305
Service Bulletin/Repair Instructions
VEHICLE DOES NOT START READILY UPON CRANKING (REPLACE FUEL PUMP RELAY). *SD
468203A
Service Bulletin/Repair Instructions
INOPERATIVE OR ERRATIC SPEEDOMETER AND/OR VEHICLE SHIFTS DOWN INTO SECOND GEAR OR WILL NOT SHIFT OUT OF SECOND GEAR (REPLACE CONNECTOR C240). *SD
568203
Service Bulletin/Repair Instructions
UNKNOWN
376105
Service Bulletin/Repair Instructions
COLD ENGINE KNOCK. *TW
468203
Service Bulletin/Repair Instructions
INOPERATIVE OR ERRATIC SPEEDOMETER AND/OR VEHICLE SHIFTS DOWN INTO SECOND GEAR OR WILL NOT SHIFT OUT OF SECOND GEAR. *TW
RCL/93C56A
Service Bulletin/Repair Instructions
GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1993 M/L AND G VANS MAY EXPERIENCE A CONDITION, AT TEMPERATURES BELOW 32 DEGREES FAHRENHEIT, WHERE THE TRANSMISSION WILL NOT SHIFT OUT OF PARK WITH THE BRAKE PEDAL DEPRESSED. TO PREVENT THIS CONDITION FORM OCCURRING, DEALERS WILL REPLACE THE CRUISE CONTROL VACUUM RELEASE VALVE AND CHECK AND ADJUST THE BTSI SOLENOID CABLE. *TW
461103
Service Bulletin/Repair Instructions
HVAC FAN INOPERATIVE. *TW
467108
Service Bulletin/Repair Instructions
TRANSMISSION EXTENTION SEAL LEAKS. *TW
476149
Service Bulletin/Repair Instructions
OIL PRESSURE GAUGE READING CONCERNS. *TW
CAMP/93C56
Service Bulletin/Repair Instructions
GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1993 M/L AND G VANS EQUIPPED WITH CRUISE CONTROL MAY EXPERIENCE A CONDITION AT TEMPERATURES BELOW 32 DEGREES FAHRENHEIT, WHERE THE TRANSMISSION WILL NOT SHIFT OUT OF PARK WITH THE BRAKE PEDAL DEPRESSED. TO PREVENT THIS CONDITION FROM OCCURRING, DEALERS ARE TO REPLACE THE CRUISE CONTROL VACUUM RELEASE VALVE, AND CHECK AND ADJUST THE BTSI SOLENOID CABLE AS NEEDED. *TW
MSG01385
Service Bulletin/Repair Instructions
MESSAGE ANNOUNCING MANUFACTURER RECALL 93C56. *TW