i personally think so. i hear trent has lower prices but his delivery times are reputed to be uncertain.
On Fri, Sep 20, 2013 at 12:04 PM, Mike Esh <michael...@mac.com> wrote: > I tested the mono valve with the engine running and pigtail connected by > applying 12 volts ( 1 positive lead and one negative lead to the valve) > from the battery. It worked correctly by shutting off the flow of heat and > allowing the AC to function. With this information can I assume I have a > faulty Push Button Unit? When the failure occurred it was immediate and > final, it does not work intermittently. And yes I verified the fuse was > functioning correctly. Gary would you be the one to order a rebuilt unit > for me? > > Thanks, > Mike > > Michael E. Esh > (C) 231.286.2344 > > > On Sep 17, 2013, at 07:55 AM, "Mike Esh" <michael...@mac.com> wrote: > > Thanks Scott, I will give that a try today. >> Michael E. Esh >> >> On Sep 16, 2013, at 09:53 PM, Scott Ritchey <ritche...@nc.rr.com> wrote: >> >> >>> There is a 2-pin connector on the mono valve. One pin is always hot (+12v >>> whenever the car is powered up). The other pin is grounded by the ACC >>> system to stop the flow of coolant through the heater core. You can test >>> the mono valve by applying 12v to the one pin and grounding the other >>> pin; >>> that should close the valve. But just measuring the voltage at the >>> connector could be misleading. One lead will read 12v but the other may >>> read >>> zero even if it's just floating (not grounded). >>> >>> -----Original Message----- >>>> From: Mercedes >>>> [mailto:mercedes-bounces@**okiebenz.com<mercedes-boun...@okiebenz.com>] >>>> On Behalf Of Mike >>>> Esh >>>> >>> >>> >>>> 1984 Mercedes 300D mono valve Is malfunctioning. >>>> >>>> All heat all the time. With a 12 V test light, one wire is hot, one >>>> not. >>>> >>>> When it is plugged in i get both wires hot. This is the same if i >>>> have AC >>>> >>>> on or full heat. > If I clamp off the mono valve hose I get ice >>>> cold >>>> air. >>>> >>>> Can someone help me troubleshoot this? >>>> >>>> Thanks, >>>> Jim, >>>> Could this be the push button unit? The mono valve was rebuilt with a >>>> new >>>> kit 12 months ago. Is there a test to determine what is not working? Do >>>> you still repair PBU'??s >>>> >>> >>> ______________________________**_________ > http://www.okiebenz.com > > To search list archives > http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> > -- *reliable vendor of superior parts for mercedes and other european cars * *www.BuyEUROparts.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
