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Ac compressor not coming on 2001 cadillac deville

Just added freon and ac still not working

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Hi there,
there are several test to be done and analysis on trouble shooting ac performance.if the ac run smoothly but insufficient cooling effect was taken after recharching factors can be obtain in poor performance of compressor,clogging of tubes mostly on capillary tube and expantion valve.this main factor
contribute on ac in sufficient cooling.compressor performance can check the on the discharge valve by mounting a hi side pressure gauge and check the lost compression effeciency.while the compressor is running if it can discharge a pressure higher than the operating pressure w/o losses on psg. you have good
compressor performance.but if can not maintain a operating pressure you replace compressor.if the compressor is good check the capillary tubing by purging and cleaning the system,obstruction can't expand the freon inside your evaporator,have a nice day don't forget to fix my rate.also recharge exact amount freon on the system don't exceed.poor refrigeration was the result,no cycle will occured.

Posted on May 08, 2010

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