Don't know if it's possible on r134a systems, but I've more than once had issues with the r12 feed valve not being fully opened, and the system thus wouldn't 'take' what was being offered 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://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
