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Old 08-06-2011, 07:04 PM   #1
mark52's Avatar
Join Date: Jul 2011
Location: Fresno, CA
Posts: 90
When idling, Jeep shakes when A/C is on

We just bought an 06 Wrangler Unlimited Rubicon with an automatic transmission. We love everything about it except for the shaking it does when the A/C is running. It only does it when stopped at idle. Whether in drive, Neutral, or in park if the A/C is on, the jeep shakes. The motor does shake a little when the AC is off, but when the A/C is turned on it shakes the whole Jeep. Any Ideas? Can the idle be turned up slightly?

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Old 08-06-2011, 08:17 PM   #2
Shelby427's Avatar
Join Date: May 2011
Location: Lakeland FL and Hooversville PA
Posts: 2,131
Try cleaning the IAC and it's port.

The computer is supposed to bump up the idle slightly when the a/c kicks on, to compensate for the additional load. It could be that the IAC plunger/bore have some build up in them and the IAC is hanging up and not allowing the idle to bump up.

97 Sahara, 74 Renegade, 72 CJ5, 55 Willy's (the Beast) Boss 302, 6:34 gearing, Bose 901 speakers.
God I miss that Jeep. Forgot the kinda Jeep, 80 SX4.
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Old 09-10-2011, 02:16 AM   #3
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Join Date: Jul 2011
Location: Fresno, CA
Posts: 90
Cleaned the IAC. Didn't help at all. What else do you think? fuel injector cleaner? motor mounts?
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