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04 Chevy 1500HD a/c question
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Swooshski
User
Feb 28, 2007, 4:22 PM
Post #1 of 4
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04 Chevy 1500HD a/c question
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I have a question about a 2004 Chevy 1500HD a/c system. This thing just quit working, and I noticed that the compressor was not kicking in. I unplugged the low pressure switch and jumped it just to see if the symptoms would change. The compressor would then kick in. My question is ..... does this mean the switch is bad? or could this be due to a low freon type of scenario? This truck has never had a problem until this popped up. Thanks!
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way2old
Veteran
/ Moderator
Feb 28, 2007, 4:27 PM
Post #2 of 4
(1487 views)
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Re: 04 Chevy 1500HD a/c question
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Either one will cause it. If it was working OK and suddenly quit, look to the pressure switch. Being way2old is why I need help from younger minds
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Swooshski
User
Mar 28, 2007, 7:39 AM
Post #3 of 4
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Re: 04 Chevy 1500HD a/c question
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I finally found the problem .... a nail about 3 inches long had apparently found it's way through the grill just perfectly and pierced the condensing coils mounted behind it. Evidently the impact was enough to cause a very very small crack/leak and left the nail embedded in the coil like an arrow in a target. Question ...... can this aluminum coil be repaired? Soldered or welded? Or is it best to replace with new/used unit?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 28, 2007, 2:35 PM
Post #4 of 4
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Re: 04 Chevy 1500HD a/c question
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Aluminum welding is called "heliarcing" (sp) and takes a real skill to work with to do that. You could ask a specialty shop for welding but most folks just get a new part, T
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