Why does my new compressor reads high pressure when trying to charge system

20

Asked by Dezy34 Jun 07, 2020 at 08:48 PM about the 2000 GMC Yukon Denali 4WD

Question type: General

put new compressor and gauge reading high pressure
when trying to charge and compressor doesn't engage

5 Answers
20

Dezy34 answered 4 years ago

I just drained compressor and put new one hooked up vacuum pump and then tried to charge system

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20

Dezy34 answered 4 years ago

Ok i changed the dryer assembly,the ac line, condenser and got another compressor. Do I drain the oil out of the compressor or add oil to it and how much. It's a 4 season ac compressor

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