Warm air blows on the passenger side, but cold air blows on the driver side

2001 DODGE RAM
150,000 MILES • 6 CYL • 2WD
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MJCARTMILL
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  • 1 POST
I have a 2001 Dodge Ram 1500. Warm air blows on the passenger side, but cold air blows on the driver side. Also, the check guage light is on. Any thoughts?
Dec 28, 2010 at 12:49 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
you have actuators that are run by vacuum. they may not be getting vacuum to operate properly. I can send a generic picture of actuators under the dash. I'll also send a vacuum diagram as to which is supposed to do what.

This guide can help us

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

You may have a vacuum line off or leaking it gets vacuum from a tank then the intake manifold. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Apr 23, 2021 at 3:55 AM
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