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Service bulletin 3794

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 id10020071
Published by NHTSA2006-07-19
Manufacturer's number3794
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

COOLANT LEAK AT REAR OF ENGINE. *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, Cooling system

Vehicles listed
BUICK ALLURE2006
BUICK LACROSSE2006
BUICK LUCERNE2006
PONTIAC GRAND PRIX2006

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