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-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
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
010501
Service Bulletin/Repair Instructions
INFORMATION ON LOW EFFORT PARKING BRAKE SYSTEM ON ALL 15 AND 25 SERIES FULL-SIZE PICK-UPS AND UTILITY VEHICLES, 1999 THROUGH 2001. *TT
000602001
Service Bulletin/Repair Instructions
VEHICLES EQUIPPED WITH COMPOSITE RADIATOR END TANK MAY EXHIBIT AN ENGINE RUNNING HOT, OVERHEADING AND / OR LOSS OF COOLANT. *TT
NAS19990046
Service Bulletin/Repair Instructions
SOME MEDIUM DUTY VEHICLES WITH 7.4L GAS ENGINES MAY INTERMITTENTLY EXPERIENCE A FALSE ENGINE OVERHEAT CONDITION. *TT
99107
Service Bulletin/Repair Instructions
CERTAIN U-VANS MAY EXHIBIT THE POWER SLIDING DOOR NOT OPERATING IN POWER MODE AND / OR ALMOST FULLY CLOSING THEN CONSISTENTLY REVERSES TO THE FULL OPEN POSITION. *TT
99016
Service Bulletin/Repair Instructions
CUSTOMER SATISIFCATION CAMPAIGN REGARDING POWER SLIDING DOOR OPERATION. *TT