You have a low charge Sent from my iPhone
> On Aug 15, 2016, at 9:42 PM, Scott Ritchey via Mercedes > <mercedes@okiebenz.com> wrote: > > I put gauges on it today. Pressures were 72 hot side and 79 cold side > before engine start. I attribute the difference to my cheap, old gauges > (pre Harbor Freight gauges from JC Whitney). After engine start pressures > went to 120 high side and 7 low side. So my R12 is quite low but would that > account for the apparent lack of flow? After engine shutdown, pressure > blead to 105/75 within about 30 sec but was still 90/78 after about 5 > minutes. > > The big difference (120 high side 7 low side) and slow bleed-down make me > think the compressor is doing its job but refrigerant is low and not getting > past the dryer or expansion valve. Maybe that's normal for such low R12 > levels. I need to research that expansion valve to see if this (no flow) is > normal for such conditions. > > Thanks for insights. Scott > >> -----Original Message----- >> From: Mitch Haley via Mercedes >> Sent: Sunday, August 14, 2016 12:37 PM >> >> If you have gauges you can at least find out if it's very low on charge > or if >> there's something mechanically wrong. >> >> Or you can throw in 12oz of R12 and see what happens. It's common for old >> cars to leak. >> >> Mitch. > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
