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1995 Cadillac Concours over heating

Tiny
AAATEE
  • MEMBER
  • 1995 CADILLAC DEVILLE CONCOURS
  • V8
  • FWD
  • AUTOMATIC
  • 93,000 MILES
I replaced the water pump aswell as the coolant sensor. The fans dont come on but they do when the A/C is on.
Wednesday, June 23rd, 2010 AT 2:23 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the thermostat and the radiator if its clogged-up if okay could be airlock in the system.

You need to get the radiator cooling fan goingf check the fan motor, fan relay and the computer controlled circuit of the fan relays
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Wednesday, June 23rd, 2010 AT 2:27 AM
Tiny
AAATEE
  • MEMBER
  • 2 POSTS
I replaced the thermostat aswell and had the radiator flushed. I dont understand why the fans would run while the A/C is on but not when the A/C is off.
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Wednesday, June 23rd, 2010 AT 2:55 AM

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