Idle shake
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Joined: Dec 2012
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From: Hell
Idle shake
I just got a 99 2.5 rwd auto and it shakes when it's at idle in gear. I'm pretty sure its because the AC pulley is engaging drawing power. I was thinking about turning the idle screw up a blonde-one because when I hold the brake and give it slight gas it goes away. Any ideas?
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Joined: Jan 2002
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From: suburban atlanta
I would check that the IAC is increasing idle speed to compensate for the A/C load. The idle should be high when the engine is first started from cold, and walk down the rpm in steps as the engine warms up. If it did that, I think the IAC is functional. If it is not getting signaled to increase idle with the A/C load, then something else is wrong.
The engine should idle at the same rpm when the A/C is off or on, else the IAC is not compensating as expected.
tom
The engine should idle at the same rpm when the A/C is off or on, else the IAC is not compensating as expected.
tom
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Joined: Dec 2012
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From: Hell
It's not that the engine is cold. I'll be driving for a while and it'll still do it. But basically I can hear the AC clutch or whatever it is, the plate on the front of the ac pulley, click or engage then everything shakes. And it does it every 30 sec or so. Click on shake click off stop ect. This is all while the heat is on too.
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