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Mercury
Marquis
Climate Control
Heater
Not Working
No heat or air
MYRTLE REED
MEMBER
2005 MERCURY MARQUIS
V8
120,000 MILES
Blower works no heat or air.
Sunday, September 30th, 2018 AT 8:34 AM
1 Reply
KEN L
MASTER CERTIFIED MECHANIC
48,289 POSTS
Hello,
It sounds like you have a vacuum line that has broken under the hood that runs the HVAC system. Here is a guide to help you find and fix the problem:
https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
and
https://www.2carpros.com/articles/car-heater-not-working
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Cheers, Ken
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Sunday, September 30th, 2018 AT 12:13 PM
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