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Service bulletins for the 1996 GMC Sonoma

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

36 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
2501022002-04-05. Service bulletin. STRUCTURE:BODY:DOOR. CONCERNS WITH EXCESSIVE EFFORT OR BREAKING OF THE THIRD DOOR HANDLE ON EXTENDED CAB PICK UPS. *TT
2208012001-11-16. Service bulletin. SEATS. CUSTOMERS MAY COMMENT THAT THE SEAT RECLINER HANDLE IS STRIPPED. *JG
990602012C2001-10-26. Service bulletin. ENGINE AND ENGINE COOLING. SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT
980432000-12-28. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR. PRODUCT RECALL CAMPAIGN INVOLVING WINDSHIELD WIPER MOTOR REPLACEMENT. *TT
000102000-07-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE CYLINDER HEAD GASKET LEADING TO EXTERNAL COOLANT LEAKS FROM THE CYLINDER HEAD GASKET TO ENGINE BLOCK JOINT. **MR
990602012B2000-05-31. Service bulletin. ENGINE AND ENGINE COOLING. SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT
990602012A2000-04-07. Service bulletin. ENGINE AND ENGINE COOLING. SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT
2406991999-11-24. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. SUBJECT REGARDING ABS 3-SENSOR EBC4 - SPECIAL POLICY. *TT
9906020121999-08-26. Service bulletin. ENGINE AND ENGINE COOLING. CONDITIONS WITH HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS, AND RUST IN THE COOLANT SYSTEM. *TT
7760011997-11-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION CONCERNING ENGINE KNOCK/RATTLE OR TAP NOISE BEFORE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). AK
7760011997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT RATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). *TW

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.