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Heater quit working, smoke or steam coming out of vents?

Tiny
JENNY W
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
Smells like antifreeze and something burning. When I turned the heater on it took a lot of power, I heard it. And the battery gage went way past 14. I didn’t drive it and it didn’t come close to warming up. The heater has been squealing a lot. It’s been very cold outside.
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Friday, December 30th, 2022 AT 4:20 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,505 POSTS
This happens when the blower motor shorts out. here is the location and a generic step by step guide to help walk you through the repair with instructions for your car in the images below.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
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Friday, December 30th, 2022 AT 1:42 PM

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