Auto. Climate control???
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Cross-Country
Joined: Nov 2006
Posts: 95
Likes: 0
From: south carolina
Auto. Climate control???
You guys are experts,you bailed me out before. Tried to find a mercury website like this one, but to no avail. I have an 89 mercury grand marquis with auto climate control.nice and cold and functions normally 90% of the time. Sometimes the compressor seems to not come on soon enough & real warm air comes out for about 4 minutes & then the comp. Starts & it stays cold. It will do this periodically. There must be a sensor in the car to control this.am i correct & if so where is it & could this be the problem or any other suggestions? Thanks
More Turbo
Joined: Aug 2006
Posts: 530
Likes: 2
From: W. Wisc
+1 on ProjectSHO89. Gap should be probably in the 0.014-0.030" range. Not 100% sure on the spec for this old car, but that is a common range for Ford's compressor clutches. I bet you are in the upper range or above. If so, then pull the clutch and remove a shim or 2 to get it back in spec.
Senior User
Joined: Jan 2009
Posts: 157
Likes: 0
There are a few decent Crown Vic sites that will cover your MGM. www.crownvic.net is about the best that I have found -- it doesn't come close to FTE but it can be helpful
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