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Service bulletin 263 018

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 id52426
Published by NHTSA1997-07-24
Manufacturer's number263 018
Manufacturer's date1997-02-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

FAN SOLENOID VALVE RELOCATION. *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

Engine, Cooling fan, Cooling system

Vehicles listed
WHITE GMC VNL
WHITE GMC VNM

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