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2000 caddillac dts overheating

Tiny
QUINT45
  • MEMBER
  • 2000 CADILLAC DEVILLE DTS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 129,000 MILES
The car I have is overheating. I replace the water pump, coolant tank, radiator, thermostat, top n bottom holes to radiator, checked the lines/clear. Car is still running hot. Even when its just sitting there idling. Before I changed the water pump and radiator, I could drive it under 45mph and leave it idling without it overheating. Now just sitting running, it overheats. Help?
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Monday, March 27th, 2017 AT 1:10 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Pressure check for a head gasket leak also there is a chemical additive you can get at auto parts that will detect a leak.
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Tuesday, March 28th, 2017 AT 9:47 AM

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