REVISION: 01/20/95
THIS BULLETIN IS BEING REVISED TO ADD THE 1995 MODEL YEAR AND TO ALSO APPLY SEALANT TO BOLT #129. PLEASE DISCARD BULLETIN 477111 (GROUP REFERENCE 7 - TRANSMISSION). ---------------------------------------------------------------------- REVISION: 02/10/95
DO NOT REAPPLY GM SEALING ADHESIVE OR EQUIVALENT TO ANY OF THE BOLTS FOR THE PUMP ASSEMBLIES AND VALVE BODY ASSEMBLIES, ILLUSTRATION NUMBERS ARE 232, 233, 234, 235, 329, AND 330 (SEE FIGURE 2). A GM SEALING ADHESIVE WAS USED FOR FINAL TEST AND IS NOT REQUIRED FOR ANY OVERHAULS. EXCESSIVE SEALING ADHESIVE OR EQUIVALENT COULD CAUSE SEDIMENT AND SHIFT CONCERNS.
THE FOLLOWING BOLTS "MUST" HAVE A GM SEALANT ADHESIVE (P/N 12346004) OR EQUIVALENT APPLIED BEFORE RE-ASSEMBLY, 127, 128, 129 AND 032 (SEE FIGURES 2 AND 3). THIS HELPS PREVENT POTENTIAL POROSITY LEAKS IN THE CASE COVER AND CASE EXTENSION.
PLEASE UPDATE SECTION 7A OF YOUR SERVICE MANUAL AS APPROPRIATE.
FIGURES: 3
GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER." THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS OCCURRING ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.
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