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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

ac compressor bypass

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Old Oct 28, 2009 | 08:20 AM
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jim milewski's Avatar
jim milewski
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ac compressor bypass

on my 96 F150 with the 4.9 the routing diagram for the serpentine belt has a route to bypass the compressor (compressor clutch was smoking), but the belt is way to loose, the auto parts guy said it uses the same belt, any suggestions, thanks
 
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Old Oct 30, 2009 | 05:51 AM
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You probably need to buy a "by-pass pulley".
$40 @ autozone
 
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Old Oct 30, 2009 | 06:26 AM
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thanks, I did see these were an option, and a good one, but so far I have not been able to find one for the 4.9 (I'm guessing because you can bypass the compressor by belt rerouting according to the diagram under the hood), it was suggested i just get a rebuild kit for the compressor clutch then I have ac again (no big deal here in VT). I'm not familiar with whether the ac has to be recharged or whatever they call if I take the compressor off
 
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Old Oct 30, 2009 | 08:41 AM
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Really all you need is the A/C pulley bearing which can be got at rockauto.com (assuming it is not your compressor that is seized in which case all you need to do is unplug the wiring connector).
Plan B is to take the belt off, get a lenght of string and place the string around the pulleys as shown in your diagram, then measure the string and get a belt of that length.
 
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