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Service bulletin 12-06-01-003D

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 id10211659
Published by NHTSA2022-05-10
Manufacturer's number12-06-01-003D
Manufacturer's date2022-05-02
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This service bulletin provides information for repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant.

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

Engine

Vehicles listed
GMC GM
GMC GM OF CANADA
GMC GMC
GMC GMC TRUCK
GMC GMT 530

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