WenmarOpen by Wenmar Pro

Service bulletin 030604035

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 id10012560
Published by NHTSA2005-03-08
Manufacturer's number030604035
Manufacturer's date2003-07-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

FUEL INJECTION PUMP TIMING PROCEDURE. THIS INCLUDES 1999- 2004 CHEVROLET GMC AND ISUZU MEDIUN DUTY TILT CAB MODELS. *EH

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
UNKNOWN UNKNOWN

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