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
010856004
Service Bulletin/Repair Instructions
THE SECURITY LAMP ILLUMINATES WHILE DRIVING; THE ENGINE CRANKS BUT WILL NOT START; AND / OR THE ENGINE STARTS THEN STALLS AND THE SECURITY LAMP IS FLASHING. *TT
010729001
Service Bulletin/Repair Instructions
SOME OWNERS MAY COMMENT ON THE MANUAL TRANSMISSION COMING OUT OF GEAR. TYPICALLY 1ST GEAR IS MOST AFFECTED. *TT
010730007
Service Bulletin/Repair Instructions
THIS BULLETIN IS TO INFORM DEALERS OF THE RELEASE OF A NEW TORQUE CONVERTER BOLT FOR CERTAIN TRANSMISSIONS. *TT
101100
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXHIBIT HIGH OIL CONSUMPTION AND / OR POSSIBLE SMOKE FROM EXHAUST. *TT
00045
Service Bulletin/Repair Instructions
THE PURPOSE OF THIS MESSAGE IS TO ADDRESS INQUIRES REGARDING THE TIME ALLOWANCE ON CAMPAIGN 00045 - FRONT SEAT BELT COMPLIANCE FOR CHEVROLET AND GMC C/K PICKUP TRUCKS. *TT
000604007
Service Bulletin/Repair Instructions
SOME CUSTOMERS MAY COMMENT ON A HIGHER THAN EXPECTED ACCELERATOR PEDAL EFFORT FROM THE IDLE POSITION, C/K SERIES PICK UPS (SILVERADO AND SIERRA). *MJS
3170E
Service Bulletin/Repair Instructions
IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2