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Old 04 Jun 2012, 08:03 pm
Harry2011 Harry2011 is offline
Regular Cruiser
 
Join Date: Jul 2011
Location: Detroit, MI
Posts: 106
Default Re: Car Overheats slightly and car shakes when A/C is on??

The fan has 2 speeds, one that comes on when the A/C is turned on, and one that comes on when the temp gauge reaches half way.

When the car is cool, start it up and turn on the A/C. If the fan doesn't immediately kick on, one of the speeds has gone bad, which is quite common. The fan could still come on later when the engine warms up, but the fan not running when the A/C gets turned on will cause the engine to shake at idle and the air to blow warm.

Based on your cars mileage, you fan is well overdue to fail, if it hasn't been replaced already.
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