Anyone know a good shop other than metric? I am going oversize on the valves. Thanks. On Mar 11, 2015 8:43 PM, "Peter Frederick via Mercedes" < mercedes@okiebenz.com> wrote:
> Check to see if the valve moves when you apply voltage to the coil, and > that you get full heat if you unplug the valve. > > The coils do fail, especially if the valve leaks coolant into the coil > housing, which can happen when the rubber splits. If the valve is stuck > shut by a corroded coil, it' won't allow water through no matter what. > > I need to clean up the contacts on the wheel (rotary variable resistor) on > the TE, the temp wanders around, restored by wriggling the wheel up and > down a bit -- you can hear the solenoids clicking under the dash as the > mode changes with the heat setting. A small amount of corrosion on the > wiper will cause the resistance read across the variable resistor to wander > around, usually going open and shutting the heat off, at least on the W124 > PBCU. > > I hate intermittent failures..... > > > Peter > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > https://server.secureplusplusfour.net:2083/cpsess595060604/3rdparty/ > 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: https://server.secureplusplusfour.net:2083/cpsess595060604/3rdparty/mailman/listinfo/mercedes_okiebenz.com
