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Service bulletin 236111

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id45824
Published by NHTSA1996-04-25
Manufacturer's number236111
Manufacturer's date1995-06-01
Replaces92-6A-153A
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CPI ENGINE NOISE (INSTALL NEW GEARS/NEW MEM-CALS). *SD

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CHEVROLET ASTRO1992
CHEVROLET BLAZER1992
GMC JIMMY1992
GMC SAFARI1992
GMC SONOMA1992
OLDSMOBILE BRAVADA1992

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
1300890092023-12-11. Service bulletin. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
000601023A2002-03-25. Service bulletin. INFORMATION USED WHEN DIAGNOSING NOISE CONDITIONS SUCH AS ENGINE RATTLE NOISE, SPARK KNOCK AT 2000 - 2500 RPM RANGE, UNDER A MODERATE TO HEAVY LOAD WITH A WARMED UP ENGINE. *TT
0006010192001-02-23. Service bulletin. SOME OWNERS MAY COMMENT ON HIGH OIL CONSUMPTION AFTER A GM GOODWRENCH REMANUFACTURED 4.3L V6 ENGINE IS INSTALLED. *TT
96067A1997-08-21. Service bulletin. SPECIAL POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW
3761051995-11-01. Service bulletin. COLD ENGINE KNOCK. *TW