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
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
236111
Service Bulletin/Repair Instructions
CPI ENGINE NOISE (INSTALL NEW GEARS/NEW MEM-CALS). *SD
376105
Service Bulletin/Repair Instructions
COLD ENGINE KNOCK. *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