2003 Chevrolet Uplander Heater & A/C Intermittenly works

Tiny
KARI JOHNSTON
  • MEMBER
  • 2003 CHEVROLET UPLANDER
  • 163,000 MILES
My heater/A/C works intermittently. I have a rear heater/A/C (because it's a Van) and it continues to work no problem.
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Monday, December 7th, 2015 AT 1:38 AM

3 Replies

Tiny
HMAC300
  • EXPERT
Check coolant level first it may be low. Then pull hvac fuse inside car with key on that resets actuators as the temp may be acting up.
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Monday, December 7th, 2015 AT 7:21 AM
Tiny
KARI JOHNSTON
  • MEMBER
Coolant is OK. If it is a fuse why would it work sometimes. For instance, yesterday it wasn't working and I drove over a bump and suddenly it started working.
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Tuesday, December 8th, 2015 AT 2:00 AM
Tiny
HMAC300
  • EXPERT
If that is the case then there is a loose wire like a ground. Have a local mechanic look at it and make sure you tell him about the bump and then working. Pulling the hvac fuse with key on resets the actuators as I thought that may be the problem.
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Tuesday, December 8th, 2015 AT 5:53 AM

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