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Fixing A/C suggestions?

Old 27-Mar-2007, 01:47 PM
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Fixing A/C suggestions?

Needs some advice on fixing up my A/C. Last year when I checked my A/C compressor was seized so I definetly need a new one. I'm guessing it wouldn't be wise to just change the compressor alone, and that I should probably replace or service some of the other components. I was supposed to do this last year and from my notes this is what I wrote down to look into replacing.

Sanden A/CCompressor
Filter Drier/Accumulator
Orfice Tube
Expansion Valve

I am not sure if the bottom 3 are absolutely necessary when changing the compressor so any help would be great. If there is anything I am missing please feel free to let me know. Summer is coming and I don't want to be stuck in the heat!
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Old 28-Mar-2007, 12:14 PM
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meow?
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Old 28-Mar-2007, 03:10 PM
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the bottom three are not necessary. those are items if you plan to upgrade fluid specs from the old pre 1993 stuff to the new stuff. but you have a 99 you said so it should be fine. either way, a/c is not exactly user servicable.... mount the new compressor and take it to an A/C shop who will test for leaks and pressure, then refill your unit and you'll be good to go.
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Old 28-Mar-2007, 04:09 PM
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Don't worry I'm definetly not doing this myself. Thanks B.. Always helpful as usual.

The only reason I mentioned the other stuff was because the service manual mentioned to replace those parts. Thought they were kind of a kill two birds with one stone type deal like replacing the water pump with your clutch.
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Old 28-Mar-2007, 04:25 PM
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well it's strange that your A/C failed so early. likely you developed a leak somehow, lost your fluid, and the compressor seized up from non-use.

so if the parts aren't too expensive, yeah replace them. those all have seals in them that can dry out over time (and from not being used/lubricated by the coolant fluid)... but it's better to find the leak first and then replace parts as necessary. so it might even be a good idea to see if you can have the system tested/diagnosed before you go out and buy parts... I think certain places have free inspections or price quotes (like Midas or Canadian Tire)... take it there and get a list of recommended items to replace. Buy those items, replace them yourself, then go and have it filled properly and tested again for leaks.

Yeah, it is a good idea to replace all those parts since it's a closed system and any work that needs to be done on it requires it to be evacuated and refilled... but like I said, it's not 100% necessary in most cases. Your case... again, have it tested and decide from there.
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