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.
990730030A
Service Bulletin/Repair Instructions
OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING BRAKE NOT APPLIED. *TT
990730030
Service Bulletin/Repair Instructions
SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT
96067A
Service Bulletin/Repair Instructions
SPECIAL POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW
666309
Service Bulletin/Repair Instructions
ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW
577106A
Service Bulletin/Repair Instructions
COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW
537101
Service Bulletin/Repair Instructions
TRANSMISSION FLUID SEEPS AROUND CLAMP AT TRANSMISSION OIL COOLER LINE. *TW
577106
Service Bulletin/Repair Instructions
COLD START RATTLE NOISE. *TW
436303
Service Bulletin/Repair Instructions
FUEL TANK THUD/CLUNK. *TW
431051
Service Bulletin/Repair Instructions
SLIDING DOOR RATTLES. *TW
9319010
Service Bulletin/Repair Instructions
BINDING/STICKING OR HARD TO OPEN FUEL FILLER DOOR (NEW SPRING AND RELEASE CABLE). *TW