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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2003 chevrolet express van 6.0 motor. no a/c. fan works.

Customer Question

2003 chevrolet express van 6.0 motor.
JA: Tell me a bit more about what's going on so he can help you best.
Customer: no a/c. fan works. last yr would work till around 1200. after that wouldnt work.
JA: Huh?
Customer: Checked freon.ok
JA: Are you hoping to fix this yourself?
Customer: dealership says compressor bad & cost 1100. to fix.
JA: Is there anything else the Chevy Mechanic should be aware of about your Chevy?
Customer: Do you think compressor is bad
JA: Our top Chevy Mechanic is ready to take your case. Just pay the $5 fully refundable deposit and I'll fill the Chevy Mechanic in on everything we've discussed. You can go back and forth with the Chevy Mechanic until you're 100% satisfied. We guarantee it.
Submitted: 7 months ago.
Category: Chevy
Expert:  Randall C replied 7 months ago.

Hello,. how are you checking freon? it cant be checked unless ac compressor is in fact kicking in and pumping so,, when you select ac, is the compressor clutch coming on?

Customer: replied 7 months ago.
not sure where this question to you came from. Not my question i sent.
I have 2003 chevrolet express van 6.0 mtr.
A/C works fine untill temperature is adjusted.
Wont come back on after temp is adjusted for a couple of hours.
Im a HVAC tech & i checked freon ok.
When it wont come back on the compressor is not on. Pressure switch ok. No power to compressor then.
Dealership says compressor is bad. 1100. to replace compressor.
They said something about heater in compressor bad but compress had to be replaced
Expert:  Randall C replied 7 months ago.

I need to opt out, Another expert will be along soon to help

Expert:  Jerry Newton replied 7 months ago.

If you are an HVAC tech, then you should be comfortable with doing a few checks.

When it's not working, I would be at the AC compressor electrical connector to see that there is power and ground being applied. I don't know what "heater" the dealer is talking about, but this is the place to start.