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Service bulletin 666309

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 id52350
Published by NHTSA1997-07-24
Manufacturer's number666309
Manufacturer's date1997-04-01
NHTSA componentFUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *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.

Components

Fuel system, Fuel pump

Vehicles listed
CHEVROLET ASTRO1992 to 1996
CHEVROLET BLAZER1992, 1993, 1994, 1995, 1996
CHEVROLET C SERIES (LIGHT)1993 to 1996
CHEVROLET C SERIES(LIGHT)1992
CHEVROLET G SERIES1992, 1993, 1994, 1995, 1996
CHEVROLET K SERIES1992 to 1996
CHEVROLET KODIAK1992 to 1996
CHEVROLET LUMINA APV1992, 1993, 1994, 1995, 1996
CHEVROLET P SERIES1992, 1993, 1994
CHEVROLET P SERIES1995 to 1996
GMC C SERIES(LIGHT)1992 to 1996
GMC C15001992 to 1996
GMC G SERIES1992 to 1996
GMC JIMMY1992 to 1996
GMC K SERIES1992 to 1996
GMC P SERIES1992 to 1996

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
5663051996-04-25. Service bulletin. VEHICLE DOES NOT START READILY UPON CRANKING (REPLACE FUEL PUMP RELAY). *SD
010101995-03-06. Service bulletin. ANNOUNCEMENT OF MANUFACTURER'S PRODUCT CAMPAIGN 94-C-57. *TW