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Heater smells like burning plastic

Tiny
WATHABA
  • MEMBER
  • 2011 CHEVROLET CRUZE
  • 1.4L
  • TURBO
  • 2WD
  • AUTOMATIC
  • 87,678 MILES
If I turn the heat on max after 10 or so minutes the car fills with the burning plastic smell. It smells under the hood in the car out of the car and there is no plastic bag under the car no leaks that I am aware of. What could be wrong with it?
Sunday, October 14th, 2018 AT 12:55 PM

11 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

It could be something is in the duct work that is giving off the smell when it is hot.

Do you see any smoke from this?

Roy
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Sunday, October 14th, 2018 AT 1:30 PM
Tiny
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Hello, to answer your question I do not believe I have seen any smoke yet. Although today I thought I caught a glimpse of smoke coming from the right side of the car but it was minimum amount.
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Sunday, October 14th, 2018 AT 5:11 PM
Tiny
ASEMASTER6371
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You need to have someone look at this ASAP. Smoke is no good. It may indicate something is burning and you do not want a fire in the car.

I cannot give you an answer here due to I cannot see it or touch it.

Get someone to check it for you.

Roy
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Sunday, October 14th, 2018 AT 5:19 PM
Tiny
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I have got in touch with a mechanic and they said something about maybe needing a replacement blower motor. Does that sound reasonable?
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Sunday, October 14th, 2018 AT 5:33 PM
Tiny
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Also, looking under the hood there was no sight of smoke or fire or melting. Another thing quick, is that it only smells like this occasionally it comes and goes when I drive and depending on how high the heat is that affects the smell.
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Sunday, October 14th, 2018 AT 5:34 PM
Tiny
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If that was the case, it would have done it with the AC system operating.

Does it do it with the AC operating?

Roy
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Sunday, October 14th, 2018 AT 5:36 PM
Tiny
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No, the AC is perfectly fine.
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Sunday, October 14th, 2018 AT 5:36 PM
Tiny
ASEMASTER6371
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Then it has nothing to do with the blower motor.

Roy
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Sunday, October 14th, 2018 AT 5:37 PM
Tiny
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Shoot, do you recommend I bring it in? I am only sixteen not too knowledgeable with cars.
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Sunday, October 14th, 2018 AT 5:39 PM
Tiny
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Yes, have someone check it for you for your own safety.

Roy
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Sunday, October 14th, 2018 AT 5:45 PM

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