Only problem with that is you need closer to 30" to get any moisture out of the system.
-------Robert Trampas wrote: > A proper running car will pull to about 19" at idle which on the hot days of > summer around here it is pretty good. > > Trampas > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Rich Thomas > Sent: Wednesday, August 22, 2007 3:19 PM > To: Mercedes Discussion List > Subject: Re: [MBZ] A/C Question > > Engine vacuum only pulls down to like half atmospheric (13-14" maybe), > not really enough to do any good in an AC system. > > --R > > Trampas wrote: > >> I changed one on my 300SD and it was relatively easy, on the 420SEL there >> was an extra brace and it took half the day. If I had to do it again I >> > would > >> remove the dash pad first. >> >> Also to vacuum out the system I have used a vacuum line from the engine. >> That is start engine connect AC gauge to intake manifold through vacuum >> > line > >> and let engine run (assuming gas engine). However I now have a cheap >> > vacuum > >> pump powered from air compressor that I got from harbor freight for under >> $20. >> >> Trampas >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >> On Behalf Of Jim Cathey >> Sent: Tuesday, August 21, 2007 11:49 PM >> To: Mercedes Discussion List >> Subject: Re: [MBZ] A/C Question >> >> >> >>> Depends on which car. The expansion valve on the 124 is between the >>> firewall behind and inboard of the brake booster. On the 126 I expect >>> it's still behind and above the brake pedal (and an absolute BEAST to >>> work on). >>> >>> >> For the 126 lie on your back with your head next to the gas >> pedal. Look up. You can see it. Just. I have no idea how >> one would actually get a wrench on it, much less two of them >> to crack the fittings loose. BEAST is an understatement. >> >> -- Jim >> >> >> _______________________________________ >> http://www.okiebenz.com >> For new parts see official list sponsor: http://www.buymbparts.com/ >> For used parts email [EMAIL PROTECTED] >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> >> _______________________________________ >> http://www.okiebenz.com >> For new parts see official list sponsor: http://www.buymbparts.com/ >> For used parts email [EMAIL PROTECTED] >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> >> >> >> > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
