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Heating in the car and defroster

Tiny
BRONCOS2932
  • MEMBER
  • 2005 CADILLAC CTS
  • 3.6L
  • 6 CYL
  • RWD
  • AUTOMATIC
  • 150,000 MILES
When trying to get heat a little heat comes out and sometimes fades
Mostly blows tepid air
Checked with a mechanic and as long as the temp ind doesn't go in the red
It is not the thermostat
Help!
Friday, February 5th, 2016 AT 1:26 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to see if both heater hoses are hot, if not pressure check system for a leak internally. It may be the actuators or control unit isn't making the actuators work. Pull fuse in pic it may reset the actuators you need to leave it out for 60 seconds or so key on or off.
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Friday, February 5th, 2016 AT 1:59 PM
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
BRONCOS2932
Thanks for the heads up, I will try what you suggest
Don
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Monday, February 8th, 2016 AT 9:25 AM

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