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Service bulletin 2023-11-DSR-1

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 id10249109
Published by NHTSA2024-01-22
Manufacturer's number2023-11-DSR-1
Manufacturer's date2023-11-30
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Notice requesting return of out of specification PCV valve

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals

Vehicles listed
TENNECO TENNECO

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