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


Reply via email to