Question about 2003 Cadillac Escalade

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A/c compressor was replaced and recharged. blows cold for a few days, and rear ac not atall. Compressor now cycles on and off and does not get cold at all. has been cleaned and recharged twice now. now shop says $250 to replacex thermal expansion valve . Can this be correct??

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Yes. A thermal expansion valve (often abbreviated as TXV or TX valve) is a component in refrigeration and air conditioning systems that controls the amount of refrigerant flow into the evaporator. If it is malfunctioning it will limit the amount of freon available to cool the vehicle.

However, the shop should have found this issue initially, so I would only pay for the part; not labor. Call your local dealer (Chevy Tahoe/Suburban is the same) and ask what the cost is. Price sounds high. They are avl. for under $100 online.

GL,
TD

Posted on Aug 06, 2010

  • Steve Hollingworth Jun 26, 2014

    Go to a site called www.automd.com. Select your vehicle and when it asks for the repair enter "Air Conditioning Expansion Valve Replacement". Enter the appropriate information ended by entering your zip code. Click on get estimate and viola the next page will give you the Dealer cost, Independent shop cost and a DIY cost. It will also break down the parts and make some recommendations if you ask. A very handy tool that isn't spot on with the estimate cost but will get you very close. You can then check YouTube for a tutorial if you want to do the job yourself. The poster in solution #1 is correct, the shop should have found the problem long ago. It might be a slow leak. You can get a recharge kit for 30-40 bucks at Walmart or a parts store. It comes with everything you will need to recharge your system. Make sure you use refrigerant with dye in it (usually fluorescent) so you can easily find a hole if you have one. If it's not that make the guys who replaced the compressor put in the valve and recharge for the cost of the parts. No Labor. btw, the $250 cost is low based on the estimates I got using the site named above.

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