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.
SB-10-08-50-003B
Service Bulletin/Repair Instructions
GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE
SB-06-02-32-013B
Service Bulletin/Repair Instructions
SAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY. ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE
010730042
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXHIBIT A CLUNK NOISE THAT CAN BE HEARD ON A 2-3 UPSHIFT ON 2002 AND PRIOR LIGHT DUTY TRUCKS. *TT UPDATE. 2007 AND PRIOR PASSENGER CARS AND LIGHT DUTY TRUCKS. *KB
031803
Service Bulletin/Repair Instructions
A CLUNK NOISE COMING FROM UNDER THE HOOD THAT ALSO CAN BE FELT IN THE STEERING WHEEL. *TT *JB
121202
Service Bulletin/Repair Instructions
NEW TRANSMISSION OIL COOLING SYSTEM FLUSHING TOOL. 1998 AND 2003 CHEVROLET AND GMC MEDIUM DUTY TRUCKS EQUIPPED WITH 4L80E AUTOMATIC TRANSMISSIONS. *TT
170602
Service Bulletin/Repair Instructions
BRIEF INFORMATION PERTAINING TO THE REMOVAL OF THE REAR AXLE DRAIN PLUG ON 2002 MODEL YEAR FULL-SIZE PICK-UP AND FULL-SIZE UTILITIES. *TT
210202
Service Bulletin/Repair Instructions
CONCERNS OF INTERMITTENT NO CRANK, NO START CONDITION DUE TO POOR BATTERY CABLE CONNECTIONS. *TT
040202
Service Bulletin/Repair Instructions
SUBJECT REGARDING BATTERY DRAIN. *TT
42
Service Bulletin/Repair Instructions
OWNERS MAY COMMENT THAT THE TURN SIGNAL ON THEIR 2000 - 2002 FULL SIZE PICKUP OR UTILITY MODEL FLASHES FASTER THAN ON OTHER VEHICLES OF THE SAME MODEL. *TT