HVAC problems - need help! - PeachParts Mercedes-Benz Forum

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HVAC problems - need help!

08-28-2004, 07:18 PM

whunter

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Join Date: Dec 2003

Location: Metro Detroit, Michigan

Posts: 17,432

Answers

My Error: Your mono valve is bad. RE: Heat on all the time.

Thanks jbaj007 my mistake, could not consult FastLane to verify part.

Suspect leaking vacuum lines.

You need to test the heater valve vacuum motor.

Very possible you have cracked or brocken vacuum lines causing both problems.

Our hero:

Last edited by whunter; 08-29-2004 at 12:50 AM.

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