air conditioner comes and goes

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air conditioner comes and goes

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Ford >> Ford Trucks, Ford Vans & Ford SUV's >> Ford F-150 >> air conditioner comes and goes

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air conditioner comes and goes - 7/27/2008 11:20:47 AM

americanmade929

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When I am accelerating or going up a hill or pulling a heavy load my air conditioner quits blowing through the vents when i am on flat ground or going down hill or holding a steady speed the air does fine any help would be appriciated also i have a 98 f150 5.4L 4x4

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RE: air conditioner comes and goes - 8/7/2008 8:59:38 PM

jhunt47

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if it goes to the defrost position then you have a vacuum leak

(in reply to americanmade929)

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RE: air conditioner comes and goes - 8/16/2008 8:16:04 AM

andry

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the problem is low a/c compressor. try check it out.

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RE: air conditioner comes and goes - 8/18/2008 5:36:03 PM

oldtimer35

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A/C system has a vacuum leak. Check the hose that goes thru the bulkhead for chaffing, around the battery area for evidence of battery acid attacking the plastic vacuum lines or the vacuum tank in the right front fender has a leak. You may also have a vacuum reservoir behind the battery.

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