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Service bulletin 476149

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 id37947
Published by NHTSA1995-02-09
Manufacturer's number476149
Manufacturer's date1994-12-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

OIL PRESSURE GAUGE READING CONCERNS. *TW

The document

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

Vehicles listed
CHEVROLET ASTRO1991 to 1994
CHEVROLET BLAZER1991, 1992, 1993, 1994
CHEVROLET C SERIES(LIGHT)1991 to 1994
CHEVROLET G SERIES1991, 1992, 1993, 1994
CHEVROLET P SERIES1991, 1992, 1993, 1994
CHEVROLET S101991 to 1994
GMC C SERIES(LIGHT)1991 to 1994
GMC G SERIES1991 to 1994
GMC JIMMY1991
GMC JIMMY1992 to 1994
GMC P SERIES1991 to 1994
GMC SAFARI1991, 1992, 1993, 1994
OLDSMOBILE BRAVADA1991, 1992

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