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#1
08-02-2007, 01:33 PM
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A/C Compressor Change
I have been reading the many comments and discussions on DIY A/C repair. There is some great stuff on this site. One thing that seems unclear to me. Should I attempt to flush my A/C system, myself? Or do I take it in to the shop for that? Also, can I replace my compressor BEFORE I flush the system? Or does that have to happen, first?
This is a 1987 300TD with an original R-12 system. I have purchased the compressor and reciever/dryer. A pair of o-rings came with the dryer, but I suspect there may be others. I still need to research this, and the location of the orifice tube. I understand it's a good idea to replace that as well. My compressor has siezed and the shaft won't even turn. The bearing on the clutch was already pretty wobbly before it failed, and now the clutch has failed. Went I start the engine, the pully doesn't turn (yes, the A/C is off) and the belt squeals. I am wondering if I must have it towed to a shop to be flushed (and vented) BEFORE I can do the repairs. This is begining to sound like three towings. Once to and from the shop, and a third after I make the repairs. If this has been discussed, elsewhere, my apologies. I am still rereading some of the posts. There is a mobile A/C guy in my area, but he doesn't do "flushes" just empties and recharges. many thanks. 
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#2
08-02-2007, 01:36 PM
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Don't flush the new compressor!!!
Flushing is pretty simple, albiet messy. Assuming you have an air compressor. You can cut down on the mess inside the car by drilling out your old expansion valve, then reinstalling it. That allows you to flush the evaporator from under the hood. Then install the new valve when you are finished flushing. You could install your new compressor on the engine and just not hook it up, so you can at least drive the car. Last edited by tangofox007; 08-02-2007 at 01:50 PM.
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#3
08-02-2007, 05:34 PM
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Who'd ya get the compressor from? Just curious. I may have to do this sometime....
__________________
the sooner you start... the sooner you'll get done  If it ain't broke, don't fix it.. Its always simpler to tell the truth... 2007 Honda Accord EX 2007 Honda Accord SE V6 96 C220 97 Explorer - Found Another Home 2000 Honda Accord V6 - Found Another Home 85 300D - Found Another Home 84 300D - Found Another Home 80 300TD - Found Another Home Previous cars: 96 Caravan 87 Camry 84 Cressida 82 Vanagon 80 Fiesta 78 Nova Ford Cortina Opel Kadet 68 Kombi Contessa
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#4
08-03-2007, 12:10 AM
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Autozone had the flush bottle that you can borrow free with a deposit; They also have a vacuum pump that you can borrow free with a deposit and they have the AC gauges that you can borrow free with a deposit.
Make sure you replace the drier, too. Since I had the system torn all apart, I also replace the expansion valve and I flush in all directions. It helps if you have LOTS of old rags and plastic and remember which lines go into the car. Getting the compressor off of Candy was the hardest part of the ordeal.
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daw_two Germantown, TN Links: Sold last car --- 05/2012 1984 300D Light Ivory, Red interior No longer selling Cluster Needles Paint No longer selling New Old Stock (NOS) parts Past: 3/2008 1986 300SDL "Coda" 04/2010 1965 190D(c) "Ben" & many more
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