Did you check the pressure on the high side? If plugged it will sometimes cool at idle and stop pumping at higher rpm due to over pressure. On Jun 5, 2016 7:21 AM, "Kaleb C. Striplin via Mercedes" < mercedes@okiebenz.com> wrote:
> This is a 98 e300 it does not have a Klima relay. The belt is good and > does not slip. Maybe I need to figure out what piece of electronics > controls the ac and swap that out just to see. I don't know if it's all > handled by the push button unit or something else. > > Sent from my iPhone > > > On Jun 5, 2016, at 7:25 AM, Peter Frederick via Mercedes < > mercedes@okiebenz.com> wrote: > > > > Could be, but more likely it's a bad KLIMA relay if you have one (I > think it's in the master relay, sadly). > > > > If you have lots of "cycling" with noise I'd check the clutch, too -- if > it's slipping you will get exactly you symptoms. Poor cooling when it's > slipping and not producing the correct pressures. > > > > And inspect the serpentine belt -- old hard cracking belts will slip > badly, and a bad tensioner will also let it slip. Makes a ton of noise > plus usually drops the AC first. > > > > Peter > > > > _______________________________________ > > 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 > > _______________________________________ 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
