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
00045
Service Bulletin/Repair Instructions
SUBJECT REGARDING FRONT SAFETY BELT COMPLIANCE. *TT
990848001A
Service Bulletin/Repair Instructions
EXPERIENCING WIND NOISE FROM BODY SIDE QUARTER WINDOW. *TT
99055
Service Bulletin/Repair Instructions
SUBJECT REGARDING FLYWHEEL-TO-TORQUE CONVERTER BOLTS - LOW TORQUE. *TT
99072
Service Bulletin/Repair Instructions
SUBJECT REGARDING PRIMED STEEL WHEELS WITH NO FINISH COAT OF PAINT. *TT