A/C Vibration - TDR Roundtable

A/C Vibration

09-20-2004, 12:55 AM

#1 (permalink)

jman

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Join Date: Sep 2001 Location: Parker, CO Posts: 246

A/C Vibration

My A/C compressor seems to cycle on and off very hard. I get the same "clunk" when I first turn it on after is sets, but I can feel it cycle on and off when driving. If I am idling at a stop light it feels like you are starting and stopping a PTO on a tractor as you can feel the truck sort of torque when it engages.

It really gets annoying at about 2100 rpm as you can feel it kick on and off by the vibration in the throttle and steering wheel. It is bad enough that I think I could plug my ears and still be able to tell you when the compressor is engaging. I already had the TSB done that involves the steering hose, but it was done during the winter so I wasn't using the A/C much so who knows how bad it would be without it.

Just wondering if anyone else has had this problem or has any idea what it is.

Sorry so long.

TIA

jman

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