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Service bulletin 666307

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 id52586
Published by NHTSA1999-12-20
Manufacturer's number666307
Manufacturer's date1997-03-01
NHTSA componentFUEL SYSTEM, GASOLINE:STORAGE

NHTSA's summary

DIESEL ENGINE - ENGINE LOW POWER IN COLD WEATHER (REPLACE PRIMARY FUEL FILTER). *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

Vehicles listed
CHEVROLET B71990
CHEVROLET B71991, 1992, 1993, 1994, 1995, 1996, 1997
CHEVROLET C SERIES1997
CHEVROLET KODIAK1990 to 1996
GMC TOPKICK1990 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
00064C2002-11-01. Service bulletin. A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEAKING TO COMPLAINTS OF POOR PERFORMANCE OR FUEL ECONOMY, HARD / NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT
1210002001-03-22. Service bulletin. INFORMATION ON FUEL TANK SHIELDS. *TT