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Old 08-06-2011, 07:04 PM   #1
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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
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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.

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Old 09-10-2011, 02:16 AM   #3
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Cleaned the IAC. Didn't help at all. What else do you think? fuel injector cleaner? motor mounts?
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