WenmarOpen by Wenmar Pro

Service bulletin PI538

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 id614525
Published by NHTSA2000-10-25
Manufacturer's numberPI538
Manufacturer's date2000-08-15
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SUBJECT REGARDING ELECTRONIC UNIT PUMP HOLD-DOWN BOLT BREAKAGE. *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
MACK MACK

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