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Heater not functioning

Tiny
KAYLATRAX
  • MEMBER
  • 2017 CHEVROLET TRAX
  • 2WD
  • AUTOMATIC
  • 20,000 MILES
Heater is not functioning.
Blower works great!
Turned vehicle on, felt hoses into and out of the firewall, both are hot.
I don't think there is a cabin air filter to check.

Car is new, so don't think the core is bad. Had heat before, just not now.

Any ideas?
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Monday, December 24th, 2018 AT 8:24 AM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

There is a mode door actuator that controls the blend door. That may be the issue but with it being new it must be a defective part. Here is a guide to walk you through the steps and a diagram below to show you on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

This guide can help as well

https://www.2carpros.com/articles/car-heater-not-working

I attached a picture of the location and the procedure. Please get back to me.

Roy
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Monday, December 24th, 2018 AT 9:05 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Any update? I attached some information for you.

https://www.2carpros.com/articles/car-heater-not-working

Roy
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Tuesday, December 25th, 2018 AT 3:23 PM

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