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

1998 CHEVROLET SILVERADO
250,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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JENNY W
  • MEMBER
  • 1 POST
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.
Dec 29, 2022 at 8:20 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,256 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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Professional Diagram for 2CarPros Members
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Dec 30, 2022 at 5:42 AM
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