WenmarOpen by Wenmar Pro

Service bulletin 40

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 id603627
Published by NHTSA1999-02-26
Manufacturer's number40
Manufacturer's date1998-09-16
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

NOTIFICATION LETTER AND REPAIR PROCEDURES FOR REPORTS OF AIR GETTING TRAPPED IN THE COOLING SYSTEM AND A SLOW FILL RATE. *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, Cooling system

Vehicles listed
THOMAS MVP ER

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