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Service bulletin 6764

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 id10006678
Published by NHTSA2004-05-10
Manufacturer's number6764
Manufacturer's date2004-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

A NEW SPRING FOR THE OIL FILTER BYPASS VALVE AND FOR THE OIL COOLER BYPASS VALVE IS NOW IN PRODUCTION FOR 3116, 3126, 3126B, 3126E, C7 AND C9 TRUCK ENGINES. *TT

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 UNKNOWN1

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