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Date:         Thu, 3 Aug 2000 11:34:49 -0700
Reply-To:     Randy Bergum <organslave@earthlink.net>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Randy Bergum <organslave@earthlink.net>
Subject:      Re: Advice on Evaporator Icing
Comments: To: KENWILFY@aol.com
Content-Type: text/plain; charset=us-ascii

Hi Ken: Icing indicates a restriction somewhere. Check out the behavior of temps at each end to get a clue where it is, and get the electrical fixed so the compressor cycles properly - the VW design is pretty good.

Randy Bergum 1990 Carat - with R-12: Bwaa hah hah hah

KENWILFY@aol.com wrote:

> I have a guy in Spain who is having a problem with his '91 Westy (US version) > with A/C. He took it to a local shop to have the system charged. They found > that the rad fan wasn't coming on so they hot wired it on low and they also > hot wired the compressor to come on (it wasn't coming on either). So > basically this shop is hack and splice. But they got the A/C to work, > however after an hour or so of running the evaporator starts to ice up and > then the cold air stops. > > I am wondering if the evaporator icing is related to the non-functional > high/low pressure switch, thermostat system for the A/C (since it had to be > hot wired to get it to work) or if it is really an internal system problem > (like moisture in the system or low charge or something). The only reason I > hesistate to think it is an electrical only problem is that the earlier > Vanagons (84-85) had an A/C system that didn't have any high/low pressure > switches or thermostat and they don't seem to ice up. Basically everything > in these earlier systems is just hotwired to come on when you turn the A/C on > and it stays on until you shut the A/C off (you can run it without > refrigerant, it doesn't care). > > Any ideas, experience, or comments would be appreciated. I am basically just > trying to help this guy as he isn't a customer (yet) and I am really working > in the dark, not actually being able to try and troubleshoot the system hands > on. > > Thanks in advance for any help, > Ken Wilford > http://www.vanagain.com > John 3:16 > > New Phone (856)-327-4936 > Shop: (856)-765-1583 > Fax: (856)-327-2242


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