Technical Service Bulletins (TSBs) for the 1995 Sonoma are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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). Read More »
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 ... Read More »
GENERAL MOTORS HAS DECIDED THAT CERTAIN 1995 S TRUCKS EQUIPPED WITH 2.2L (IN2) 4 CYLINDER ENGINES MAY HAVE PUSHROD THAT MAY BE IN HARD CONTACT WITH THE ANTI- ROTATION BRACKET SECURING THE ROLLER LIFTERS. Read More »
GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1995 S/T GMC TRUCKS EQUIPPED WITH 4.3L ENGINES AND MANUAL TRANSMISSIONS MAY HAVE BEEN BUILT WITH AN INCORRECT EMISSION ENGINE FAMILY DESCRIPTION NAME ON THE EMISSION LABEL. Read More »
