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
PIP-4695
Service Bulletin/Repair Instructions
GM: LOSS OF POWER HESITATES ON ACCELERATION. 4.3, 4.8, 5.3, 5.7 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E MAY EXPERIENCE A CONDITION OF HESITATES, MISSES OR LOSS OF POWER UNDER ACCELERATION. THE VEHICLE MAY OPERATE AS IF IT IS IN REDUCED POWER MODE. *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
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
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
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
300101
Service Bulletin/Repair Instructions
INFORMATION TO DEALERS ON DISABLING THE DAYTIME RUNNING LIGHTS, COMMONLY KNOWN AS THE DRL SYSTEM. THIS FEATURE IS AVAILABLE ON 2000 THROUGH 2001 FULL-SIZE LIGHT DUTY PICK-UPS AND FULL-SIZE SPORT UTILITY TRUCKS. *TT
141100
Service Bulletin/Repair Instructions
INFORMATION ON THE 8.6 INCH REAR AXLE ASSEMBLY ON 2000 AND 2001 MODELS, 1500 SERIES CK TRUCKS, PICKUPS AND UTILITIES. *TT
101100
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXHIBIT HIGH OIL CONSUMPTION AND / OR POSSIBLE SMOKE FROM EXHAUST. *TT
00063
Service Bulletin/Repair Instructions
GENERAL MOTORS HAS DECIDED THAT CERTAIN 2000 CHEVROLET, GMC, AND OLDSMOBILE S/T VEHICLES WERE BUILT WITH INCORRECT PAYLOAD INFORMATION ON THE VEHICLE CERTIFICATION LABEL. THE PAYLOAD SHOWN ON THE LABEL IS GREATER THAN THE MAXIMUM VALIDATED PAYLOAD. *TT
290900
Service Bulletin/Repair Instructions
SUBJECT REGARDING 2000 MODEL YEAR NEWER GOODYEAR MEDIUM DUTY TRUCK TIRES SIZES 1100R20, 1200R22 1/2, 24575R22 1/2, 26575R22 1/2, G124 AND G159. *TT
990420002
Service Bulletin/Repair Instructions
SOME OWNERS OF LIGHT DUTY TRUCKS EQUIPPED WITH AUTOMATIC TRANSMISSIONS MAY COMMENT THAT THE VEHICLES EXHIBITS A CLUNK NOISE WHEN SHIFTING BETWEEN PARK AND DRIVE, PARK AND REVERSE, OR DRIVE AND REVERSE. *TT