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Jun 17, 2011 | 10:45 PM

Yankee213

Thread Starter

Newbie

Joined: Jun 2011

Posts: 25

Likes: 0

Year: 2000

Model: Cherokee

Noise

When the jeep is running and I turn the A/C on and turn the fan on it makes a loud squealing noise and if you turn the heat on it doesn't make that noise... any idea of what it could be?

Jun 17, 2011 | 11:07 PM

craig gardner

Member

Joined: May 2011

Posts: 199

Likes: 0

From: lewiston,maine

Year: 1999

Model: Cherokee

Engine: 4.0 straight 6

My ball bearings inside the ac pump went and then eventually froze stuck n burnt my belt

Jun 18, 2011 | 10:17 PM

Gee oh Dee

CF Veteran

Joined: Sep 2010

Posts: 21,168

Likes: 5

From: Milwaukee, WI

Year: 1987

Engine: Check

Moved to OEM Tech.

Most likely your AC compressor giving you problems as suggested above.

Less likely but simpler to confirm is a worn or loose belt.