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A/C low side high pressure & high side low pressure

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Old 08-22-2011, 12:15 PM
ElectroJoe's Avatar
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Location: Shelbyville, TN
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Default A/C low side high pressure & high side low pressure
I have high pressure on the low side and low pressure in the high side. The A/C blows cool when the truck is accelerating but hot when sitting still. I know its a matter of time before it goes completely out. I converted it to R134 a last summer and replaced the compressor, dryer. What should I start with in resolving this problem? Help...
 
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Old 08-22-2011, 03:21 PM
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Default I failed to mention the year, make, and model
The A/c is in a 1987 GMC Sierra 350 tbi
 
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