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Overheating Cadillac Deville

Tiny
MELISSAMORRIS1
  • MEMBER
  • 2000 CADILLAC DEVILLE
  • 109,000 MILES
What would make a 2000 Cadillac Deville overheat and misfire? NO coolant in the oil and I just replaced the water pump and thermostat
Friday, August 24th, 2012 AT 10:16 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check the radiator, turn engien off and disconnect the fans or pull the fan relay and put your hand on the fins while it's hot, if you feel cold spots then you need a radiator, also look for loose fins or corrosion. If you have mixed the anti freeze stronger than 50/50 there is a chance of it clogging the cylinder liners. Alos check your fuel pressure if it's low it will cause a misfire.
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Friday, August 24th, 2012 AT 10:40 PM
Tiny
CAGE15
  • MEMBER
  • 1 POST
A 2001 cadillac deville would it be ok to put bars leaks head gasket repair in threw the coolant resivor
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Monday, September 10th, 2012 AT 10:39 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You can try it but normally those don't work all the time. Better to have it pressure checked to make sure though.
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Monday, September 10th, 2012 AT 10:43 PM

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