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1998 Cadillac Deville Headgasket Problems?

Tiny
SHEEN6T9
  • MEMBER
  • 1998 CADILLAC DEVILLE
1998 Cadillac Deville V8 Two Wheel Drive Automatic

Hey I was wondering. Are these cars known or have a bad name for Headgaskets? I found a small trace of oil in my coolant however my coolant is still green. Im not sure if I have a headgasket problem or not. Im still getting lots of heat. Thanks.
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Thursday, December 3rd, 2009 AT 6:48 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
There are issues with head bolt threads, and resulting internal leaks. The oil in your cooling system could be from a leaking trans oil cooler as well, it is in the radiator. Most often, the sign of a head gasket leak is overheating with possible coolant loss. It has to be leaking in a specific area to get the oil into the system, by the oil gallery that feeds the cylinder heads. Have the system tested for combustion gases in the cooling system.
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Thursday, December 3rd, 2009 AT 10:29 PM

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