2008 2500 HD Diesel Chevy air conditioning clutch wont engage.

Asked by Jun 25, 2014 at 12:01 AM about the Chevrolet C/K 2500

Question type: Maintenance & Repair

. I tested with air on in coldest position. I tested the low line and it was 100 psi. I would
guess this would be considered a static reading since clutch would not engage.  Dealer
says that the 100psi in Low line is more than the can of coolant I was beginning to put
in and that it would try and push back into the can. Said it would be dangerous. I don't
wrench for a living but have done maintenance on my vehicles for years. Anyone care
to chime in on possible next steps? Thx,

2 Answers

13,705

When you turn on the clutch, does it engage or just sit there? Wire connections? Ground, or poor switch? Bad clutch. A good A/C firm can do a very quick test and you make the decision if you want them to fix it or you do the work.

18,275

that seems high even for a static reading, anyone else think so? I'm a little rusty on my figures. You wont be adding any for sure like that

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