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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience:  GM Grand Master Technician 2007. 11 years experience.
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2002 Suburban: engine runs rough..ac belt broke and was replaced.

Customer Question

2002 Suburban with ac on engine runs rough. AC belt broke and was replaced.
Also with ac button pushed to turn ac off. And pushing cabin-air button on ac still cicks on and off.
Help think compressor is goin?
Submitted: 5 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 5 years ago.
Welcome. Does the center of the AC compressor turn smoothly with smooth resistance at intervals as it turns?
Customer: replied 5 years ago.

Seems to turn smoothe with some resistance . Ac is cold. cycles on and off. the belt tensioner for the compressor bounces more then when the ac is off. With the ac button off (led out) and the recirculation button on the ac still kicks on.

Expert:  GM Tech (Cam) replied 5 years ago.
OK, a bouncing belt does indicate a valve issue in the compressor. These are a 5 cylinder compressor and one valve will cause a system imbalance which causes the belt to bounce abnormally. You will need a compressor to correct this issue.
Customer: replied 5 years ago.

Can the compressor be replaced without flushing the system or is it contaminated ? Does GM use any inline filters to prevent contamination due to compressor failures?

 

Thank you

 

Expert:  GM Tech (Cam) replied 5 years ago.
It is recommended to flush the system, and yes, GM has filter kits to install in both sides of the system to prevent any debris from getting back into the new compressor.
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience: GM Grand Master Technician 2007. 11 years experience.
GM Tech (Cam) and 5 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.

Thank you very much.

 

Harry M

 

Dallas, GA

Expert:  GM Tech (Cam) replied 5 years ago.
You are welcome Harry. Have a great day.

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