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  • 0patience 01/23/11 4:00 pm PST

    If your vehicle is under warranty or extended warranty, it may be covered. If it isn't under warranty, it is at your cost. But here is the problem.

    Cooling System - Coolant Leaking from Engine
    TECHNICAL
    Bulletin No.: 07-06-02-006D
    Date: May 17, 2010
    Subject: Coolant Leaking from Engine (Replace Coolant Crossover Pipe Gaskets)
    Models:
    2006-2007 Buick Terraza
    2009-2010 Buick Lucerne
    2006-2007 Chevrolet Monte Carlo, Uplander
    2006-2010 Chevrolet Impala, Malibu
    2006-2007 Pontiac Montana SV6
    2006-2009 Pontiac G6
    2006-2007 Saturn Relay
    2007-2009 Saturn AURA
    2008-2009 Saturn VUE with 3.5L or 3.9L Engine (VINs N, K, I, R, W - RPOs LZ4, LZE, LZ9, LZ8, LGD)
    Supercede:
    This bulletin is being revised to add the Saturn VUE. Please discard Corporate Bulletin Number 07-06-02-006C (Section 06 - Engine/Propulsion System).
    Condition
    Some customers may comment on coolant leaking from the engine.
    Cause
    The gasket located between the coolant crossover pipe and the front of the right (rear side) cylinder head may be leaking.
    Correction
    Replace the coolant crossover pipe gaskets with updated service replacement gaskets. There are three coolant crossover designs. The second design crossover started during the 2008 model year. The second design crossover has an access hole for a cylinder head plug on the rear bank (bank 1). This crossover uses the three mounting hole gasket.

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