Pre Checks

Question 1

What are some pre-checks for A/C system troubleshooting?

Answer 1

Belt, and tensioner condition.
Secure Compressor mounting.
Clutch Discoloration.
Clutch Air Gap
Sanden .016”-.040”
Denso .014”-.024”
With the engine off, rotate the clutch by hand, listen and feel for noise/grinding
Check for source voltage AND ground.
Where does the A/C Clutch ground?
Leaking hoses and fittings.
Condenser build-up.
Cabin air filter condition.

These are the pre-checks that should be done before troubleshooting an A/C system.

Question 2

What are some pre-checks for A/C system troubleshooting?

Answer 2

Belt, and tensioner condition.
Secure Compressor mounting.
Clutch Discoloration.
Clutch Air Gap
Sanden .016”-.040”
Denso .014”-.024”
With the engine off, rotate the clutch by hand, listen and feel for noise/grinding
Check for source voltage AND ground.
Where does the A/C Clutch ground?
Leaking hoses and fittings.
Condenser build-up.
Cabin air filter condition.

These are the pre-checks that should be done before troubleshooting an A/C system.