Q: a/c problem

asked by on November 02, 2016

I took my car to a shop and the mechanics told me that the compressor was bad so i decided to replace now after he install the compressor and dryer but not the expansion valve the car feel like before after he install those two parts he want to charge me another 420.00 to install the expansion valve and i am afraid that`s is not the problem. i been reading on the internet and some people think that is maybe the resistor.

My car has 36000 miles.
My car has an automatic transmission.

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