Question about 2006 Mercury Grand Marquis
2006 Mercury Grand Marquis
Regardless of my EATC output setting (floor, vent, AC, defrost, defrost/floor), everything works fine at idle and in park. Or at 2000 RPM's in park.
When in drive, when I accelerate or am putting any torque to the tires, my air changes direction and comes out the defrost. If I'm coasting (off the gas), the air flow switches back to where it's supposed to go.
The temperature works fine as I get cold when I'm supposed to and hot when I'm supposed to. My only issue is the direction of the air.
I'll more than likely take it to a shop in the spring (before I need AC when running) unless someone can pinpoint my issue and it's something I can fix.
Sounds like a vacuum problem. Check vacuum lines. Maybe hooked up wrong.
Posted on Oct 04, 2009
Testimonial: "IT ended up being the actuator/flap in the HVAC system that directed the air. My entire dash had to come out to replace the $15 part... $700 worth of labor and 2 return visits to deal with missed electrical connection to my daylight sensor and a vacuum leak that caused it to stall when put into reverse."
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Posted on Jan 02, 2017
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