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jimbo-jim
User
Aug 18, 2019, 7:54 AM
Post #1 of 2
(1077 views)
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2000 silverado 2500
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I put a new compressor and a new accumulator a/c working fine I thought. but when I first crank up the engine and a/c the a/c lines freeze up but I can turn off a/c for awhile and when they unfreeze it works fine and doesn't freeze up any more ant ideals ?
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 18, 2019, 8:06 AM
Post #2 of 2
(1075 views)
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Re: 2000 silverado 2500
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Check the low pressure cycling switch. That should be preventing that.
That switch should be cycling the compressor off at approx 20-25 PSI and coming back on at 40-46 PSI.
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