I have a 2001 Cadillac DeVille DTS how do I know that I got a bad intake manifold

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Asked by Jan 21, 2014 at 07:07 PM about the Cadillac DTS

Question type: Maintenance & Repair

1 Answer

80,225

If you pull the oil dipstick and it has white milky "goop" on it. But I'd suspect the head gaskets. Especially if it's been overheating. These Northstar engines are notorious for head gasket failure! The cost to have it repaired correctly is upwards of $3,500.00. HTH. -Jim

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