My Cadillac keeps over heating and there is a leak it a 2004 dhs wat should I do

Asked by Aug 18, 2015 at 10:12 PM about the 2006 Cadillac DTS Luxury FWD

Question type: Maintenance & Repair

6 Answers

72,315

If you have the Northstar V8 it's most likely a blown head gasket. Have the cooling system pressure tested to confirm. You can also have a chemical added to the cooling system to detect exhaust gases. If it tests positive, the head gaskets are gone. To fix it you're looking at upwards of $3500! For starters, the engine and transmission must come out from the bottom of the car. You cannot pull the heads from the top with the engine in place! In my opinion if it's the head gasket, it's not worth fixing. HTH. - Jim

1 of 1 people found this helpful.
113,475

Head gasket job on 2004, not worth it...

1 of 1 people found this helpful.
1,100

Hopefully, many things cause an automobile to overheat without having an headgasket issue.

1 of 1 people found this helpful.
72,315

True, Toitoine. But on a Northstar it's not a matter of if the head gasket will blow. It's when will it blow. HTH. -Jim

1 of 1 people found this helpful.
20,380

May not work but is worth a try if it is a bad head gasket Bars Leak Radiator and Head Gasket sealer.

1,100

I agree with you Jim, let's hope for the OP that bad head gasket is not the issue. No matter what, if he continues to drive this car while overheating, the headgasket will become the issue. A pro needs to look at the car right away.

1 of 1 people found this helpful.

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