Having problems with your 1998 Cadillac DeVille ?
How can u tell if the heads are gone - 1998 Cadillac DeVille
Cylinder heads themselves usually dont go bad, unless it is cracked or warped. its usually a head gasket or valvetrain related. i would say do a compression test and a leak down to check what state the cylinders and valves are in.
Repair Help & Product Troubleshooting for 1998 Cadillac DeVille
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