WenmarOpen by Wenmar Pro

Service bulletin PB210001

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 id618726
Published by NHTSA2001-04-24
Manufacturer's numberPB210001
Manufacturer's date2001-02-13
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

ADDRESSING A CONDITION KNOWN AS SOOT-RELATED OIL THICKENING OR SLUDGING IN HEAVY DUTY DIESEL 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
MACK MACK

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