5625 A/C Measuring Cooling Performance

/ 5625 A/C Measuring Cooling Performance #1  

BurgerSteak

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Joined
Sep 9, 2011
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Hello brothers. Can someone describe the procedure for verifying cooling performance of the factory A/C in my 5625?

I am guessing there is a temperature gauge that gets placed into a vent, then the temperature drop versus ambient is measured and compared to some minimum temperature drop. What temperature gauge is used? Engine hot or cold? All vents closed except the one being measured?
 
 
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