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I have a 2004 Tahoe that blows cold intermittently. Blows 40 degrees when working. After replacing blend door and still not fixed. I took to dealer for diagnosis. They said I had a leaking compressor, $1300 to fix. My questions is about the R134A cans that you can buy from autozone, advance auto, etc. Am I wasting my money if I buy one of these cans to add to my system or will adding one can last me 4 months(longer with luck)? My logic is if I can add one can every 4 months at $35/can….I can add a whole lot of cans before I’ve spent $1300. Or am I doing more harm than good. I’m in the process of getting more estimates but any advice would be appreciated. THX in advance.
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Before attempting to recharge the system, take it to another shop for a second opinion. You may also want them to run a dye test to confirm a leak and its location.
Its always better to fix any leaks and have a tight system then to keep
losing refrigerant into the air.Just replaced 1997 civic compressor with One from Pull and Pay Junkyard. cost 31.00. New receiver dryer was 22.00 and evacuate/refill 110.00
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As has been said, no need to spend anything close to $1300 to replace a compressor. The junkyard route is one way, or you can buy a brand-new one for around $220 from a reputable online supplier like RockAuto.
As has also been said, get a dye test done so you can be sure of where the leak actually is. It’s possible that it may be from a cheaply-replaced hose rather than the compressor itself.
Your mileage may vary but I’ve had really good luck with one of those “combo” products. Got it from Walmart but I forget the brand. This stuff is a combination refrigerant, lubricant, sealer, leak detector all in one. In both vehicles I have tried it in the A/Cs have now been blowing cold for well over a year (I live in FL so the A/Cs get a workout. Before putting them in I checked for leaks with the dye method and could not find any. I don’t think for a minute that meant that there were no leaks. I think it meant that they were tiny leaks and I was not a good enough mechanic to find them. I suspected o-rings or something like that where things are joined together. That is the reason I went with the “combo” kits. I think where they work is when they can make a rubber part swell a little to make it re-seal. Also, the combo can was not much more than just the refrigerant so I went with that. Worked for me (twice).
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