Yup. Mineral oil, sitting in air, things can rust. You end up with leaking reed valves, therefore low high side pressure.
I've also had a screen clog up in the intake of the expansion valve. That, at least, is easy to deal with. Take it off and clean it!
-- Jim _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
