2002 Mercury Villager Air conditioner

Tiny
SANDI DURANT
  • MEMBER
  • 2002 MERCURY VILLAGER
  • 205,678 MILES
The belt wines real loud when I am driving in slow traffic but stops when go going at higher than 40 mph and today the a/c stopped blowing cold air and started blowing super hot air! I tried the knobs and everything I could think of but it still blew hit air. The back was also blowing hot air. I turned it off and rolled down the windows and had to get on the hwy. After I reached 60 mph I tried it again and it blew cold air again until I had to slow down to 50 and them it went back to hit air. When I git home my husband looked at it and he don't know much about cars that were built after the 70s. So he was no help. He put a little water in the radiator which was full. Anyway I needed to go to the store and tried the a/c again but still hot air so I turned it off rolled down the windows and headed down the road. Right before I got to the store I tried it and it was blowing cooler air. This really has me baffled! It blew cooler on the way home as well. But when I parked it went back to hot air again. Please help!
Friday, August 30th, 2013 AT 6:32 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Does the fan come on under the hood with the ac on?
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Friday, August 30th, 2013 AT 6:47 PM
Tiny
SANDI DURANT
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  • 3 POSTS
Yes the fan comes on.
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Friday, August 30th, 2013 AT 9:29 PM
Tiny
SATURNTECH9
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So does the belt sequel louder with the ac on?Is there plenty of air coming out of the fans under the hood when there on.
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Saturday, August 31st, 2013 AT 9:50 AM
Tiny
SANDI DURANT
  • MEMBER
  • 3 POSTS
Yes the belt sequels louder when the a/c is on but not at al when's its off. There's plenty of air coming from under the hood. I have been told by someone that the bolt to the pully may need tightened. Could that be my problem?
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Saturday, August 31st, 2013 AT 6:40 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The belt sounds loose I would start by getting the belt tight and belt to stop squealing and see how it works after that.
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Monday, September 2nd, 2013 AT 7:47 AM

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