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90 F150 a/c problems

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Old Aug 15, 2003 | 10:28 PM
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HARLEY691
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90 F150 a/c problems

hi, the problem i am having with my a/c is when i stop at a light it blows warm. When i am on the highway it works perfect, i have had the single cab down to 64-66 degrees,but as soon as i hit the brakes it is instantly warm. The truck was retrofitted to 134 way before i bought it and it has the straight 6. thanks for any help.
 
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Old Aug 16, 2003 | 06:58 PM
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90 F150 a/c problems

Any ideas??
 
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Old Aug 16, 2003 | 07:38 PM
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90 F150 a/c problems

Try searching the HVAC forum and then posting there. This is what that forum is for.

BTW You'll need to check the low-side pressure with a gauge, which you can buy at Wal-Mart for under $20.
 
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Old Aug 16, 2003 | 08:48 PM
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90 F150 a/c problems

do you still have your mechanical fan? or an electric one?
 
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Old Aug 18, 2003 | 06:24 PM
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90 F150 a/c problems

it is a mechanical one. do these spin all the time? i have been reading about the flex fans. are they worth it?
 
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