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To make sure you have all the oil out of the compressor, after you drain through the oil hole on the top, turn the compressor upside down and spin the clutch (not the pulley). This will operate the pistons and more oil will come out of the holes in the top where the hoses attach.
You have to get the vacuum pump mail order. I bought mine from http://www.acsource.com. I am virtually certain that the $11 pump at harbor freight (also online) is the same thing I bought with a different label.
As for oil, you can't use the charge can because you will not be filling the system. Also, that can is 8 oz of oil, which is too much. Just buy the oil in a little bottle. It is at the same time cheaper and better to do it this way. You are supposed to spread it around with some in the compressor, some in the evaporator, some in the receiver/drier, etc. I tend to put at least half into the compressor (dumping some -a little- right into the hose holes). Getting this oil into the places it needs to be is harder than it seems. I found a syringe like thing in the Walmart autoparts department which is used for adding oil to 2 stroke engines. I measure the oil in a measuring cup and then suck up a couple of ounces at a time into the syringe to deposit in the various components. This was the product of much trial and error.
The tire valve tool is a little thing that costs about a dollar. The one I bought had a picture of a monkey on the package. Which is how I knew I was in the right department.
That drive to Dallas would scare the hell out of me. One thing I am sure of is that if the ac doesn't work, there will not be three arriving in Dallas.
I have learned this stuff by breaking and then fixing different parts of the system on a number of cars. Usually I set out to fix something, break something else while fixing the first thing, etc...But, despite all that, the key to this stuff is to relax, take it slow and double check everything you do. And ask a lot of questions. Have you been to the auto airconditioning bulletin board (http://www.aircondition.com). I don't think you will need it, but that is a fabulous resource.
One additional caution. Be really careful if you need to disconnect either of the hose attachments to the condensor. Only do this if absolutely necessary. The connections tend to oxidize together and there have been a lot of reports of people having to replace both hoses and the condensor after trying to loosen one of the hoses. I can't tell from your original post if you did this already. I would think twice about replacing the hose with the patch if it means touching a condensor fitting.
posted by 24.50.5...
, Sat, 4 May 2002 00:38:00, Sat, 4 May 2002 13:17:20
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