WenmarOpen by Wenmar Pro

Service bulletin 9901

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 id605989
Published by NHTSA1999-08-04
Manufacturer's number9901
Manufacturer's date1999-06-25
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

CONDITIONS WITH VISIBLE SMOKE FROM EXHAUST SYSTEM WHEN ACCELERATING. *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, Exhaust and emissions

Vehicles listed
VOLKSWAGEN PASSAT1996

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

Other bulletins for the same vehicles and component
TB0014032023-08-28. Service bulletin. Fuel Additive to Help Prevent Sporadic Misfire Faults
20158312008-12-30. Service bulletin. VOLKSWAGEN: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES. HEAT SHIELDS ARE TO BE INSPECTED AFTER COMPLETION O ANY TYPE OF REPAIR TO THE UNDERBODY (EXHAUST SYSTEM TRANSMISSION, ETC.), AND IF DAMAGED, REPLACED. *PE
15 97011999-12-02. Service bulletin. TOOTHED BELT RUNS TOWARDS OUTSIDE, WEARS OUT/ JUMPS OFF, AND CRACKS. *AK