Coolant Leaking From Engine (Replace Coolant Crossover Pipe Gaskets)
| Subject: | Coolant Leaking from Engine (Replace Coolant Crossover Pipe Gaskets) |
| Models: | 2006-2007 Buick Terraza |
| 2006-2007 Chevrolet Impala, Malibu, Monte Carlo, Uplander |
| 2006-2007 Pontiac G6, Montana SV6 |
| 2006-2007 Saturn Relay |
| 2007 Saturn AURA |
| with 3.5L or 3.9L Engine (VINs N, K, I, R, W -- RPOs LZ4, LZE, LZ9, LZ8, LGD) |
This bulletin is being revised to update the labor code in the Warranty Information section. Please discard Corporate Bulletin Number 07-06-02-006 (Section 06 -- Engine).
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 current service replacement gaskets, P/Ns 12577704 and 12590668. Before installing the new gaskets, make sure that the mating surfaces on the crossover manifold and cylinder head are completely clean and that NO OIL or OIL RESIDUE exists.
Parts Information
Part Number | Description | Qty |
|---|---|---|
12577704 | Gasket, Coolant Crossover Pipe | 1 |
12590668 | Gasket, Coolant Crossover Pipe | 1 |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
J3529 | Engine Coolant Crossover Pipe Replacement | Use Published Labor Operation Time |
