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by GM Tech
Thu May 12, 2016 5:24 am
Forum: Automotive Air Conditioning Forum
Topic: 2004 Silverado AC works for 10 minutes, but once cycles off will not cycle back on! Help please!
Replies: 3
Views: 4827

Re: 2004 Silverado AC works for 10 minutes, but once cycles off will not cycle back on! Help please!

No codes get set for relay problems or air gap too wide issues on the C/K platform. Very, very common for wide air gap- I've done maybe 4 or 5 a season for that era truck. Remove a shim and get another 100k miles out of compressor.
by GM Tech
Tue May 10, 2016 4:26 pm
Forum: Automotive Air Conditioning Forum
Topic: Ac troubleshooting
Replies: 9
Views: 9233

Re: Ac troubleshooting

Never seen a gauge with a kit measure the high side only---they measure low side, and when you say there is too much pressure- I can only assume this is with a/c off- since code 66 disables the compressor. and you are merely measuring static suction pressure which would be "in the red" if ...

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