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Service bulletin 866208A

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 id615086
Published by NHTSA2000-12-27
Manufacturer's number866208A
Manufacturer's date1998-07-01
Replaces866208
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SOME MEDIUM DUTY TILT CAB TRUCKS WITH 3116 CATERPILLAR DIESEL ENGINES EQUIPPED WITH 26 INCH FAN BLADES MAY EXHIBIT THE ENGINE OVERHEAT LAMP ON, AND THE TEMPERATURE GAUGE IN THE RED ZONE. *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
CHEVROLET T65001997 to 1998
CHEVROLET T75001997 to 1998
GMC T65001997 to 1998
GMC T75001997 to 1998

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