Yes.  How would like me to pay?

Sent from my iPad

On Feb 11, 2011, at 8:58 PM, Hans Neureiter <diese...@gmail.com> wrote:

> Yeah, but the thing will get stuck.
> It's cheap, the core that is.
> Testing is useless. Electrically that is.
> I got an old one. Looks good. You want it?
> 
> On Fri, Feb 11, 2011 at 5:39 PM, John Reames <jwrea...@comcast.net> wrote:
> 
>> I thought the monovalve failure mode (when no power was applied) was to go
>> full open...
>> 
>> --
>> John W Reames
>> jwrea...@comcast.net
>> Home: +14106646986
>> Mobile: +14437915905
>> 
>> On Feb 11, 2011, at 12:30, Max Dillon <meadedil...@bellsouth.net> wrote:
>> 
>>> Mike,
>>> 
>>> I'm more suspicious of your PBU now.  If you did the power test, and
>> found that
>>> removing power resulted in full heat, now you need to test the monovalve
>> control
>>> signal from the PBU, to see if defrost provides zero power to the
>> monovalve or
>>> if it is allowing some power to the monovalve.  The peculiarities of
>> monovalve
>>> wiring escape me now, but I think that the PBU simply provides the ground
>> path,
>>> and cycles the ground signal.  You'll need to verify that to determine
>> how to
>>> test (i.e. do you test for a ground signal or a power signal?).
>>> 
>>> -Max
>>> 
>>> 
>>> 
>>> 
>>> ________________________________
>>> From: andrew strasfogel <astrasfo...@gmail.com>
>>> To: Mercedes Discussion List <mercedes@okiebenz.com>
>>> Sent: Fri, February 11, 2011 10:19:58 AM
>>> Subject: Re: [MBZ] 84 300D crazy heat
>>> 
>>> The monovalve can be the problem - even though it looks OK.  I have no
>> idea
>>> how they work but I once swapped out the housing and it solved my problem
>>> after a new insert made no difference at all.
>>> 
>>> Andrew
>>> 1983 and 1985 300TD, 1985 300CD
>>> On Thu, Feb 10, 2011 at 10:33 PM, Mike Esh <michael...@me.com> wrote:
>>> 
>>>> Defrost setting does not correct the problem.  I am going re check mono
>>>> valve.  If the seal are good should I be ordering the whole unit?
>>>> Mike
>>>> 
>>>> Sent from my iPad
>>>> 
>>>> On Feb 10, 2011, at 10:01 AM, Max Dillon <meadedil...@bellsouth.net>
>>>> wrote:
>>>> 
>>>>> Jim's comment stirs another thought: hitting Defrost should force the
>>>> system to
>>>>> full heat and AC and high fan speed with air directed to the
>> windshield;
>>>> if that
>>>>> works (restores heat) then I'm pretty sure the PBU is one possible
>> source
>>>> (you
>>>>> may have multiple things wrong).
>>>>> 
>>>>> -Max
>>>>> 
>>>>> 
>>>>> ________________________________
>>>>> From: Jim Cathey <j...@windwireless.net>
>>>>> To: Mercedes Discussion List <mercedes@okiebenz.com>
>>>>> Sent: Thu, February 10, 2011 9:17:30 AM
>>>>> Subject: Re: [MBZ] 84 300D crazy heat
>>>>> 
>>>>>> Perfect heat as I drive around town but when I get on the highway it
>>>> drops down
>>>>>> to less than 40 degrees.  As soon as i slow down it bounces back to
>>>> normal.
>>>>> 
>>>>> Still sounds like a monovalve problem.  Does the MAX setting make
>>>>> any difference?  That should be equal to unplugging the monovalve.
>>>>> Did you shake the monovalve insert enough to see that its plunger
>>>>> was freely mobile?
>>>>> 
>>>>> If your engine temperature gauge is solid you do _not_ have
>>>>> any radiator/clutch/thermostat/pump kinds of problems.  Maybe
>>>>> something weird with the auxiliary water pump, the electric
>>>>> one to the HVAC.  Would have to be some kind of obstruction,
>>>>> though, not just failure to pump.  (It's only for idling in
>>>>> traffic, not highway conditions.)
>>>>> 
>>>>> -- Jim
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________
>>>>> http://www.okiebenz.com
>>>>> For new and used parts go to www.okiebenz.com
>>>>> To search list archives http://www.okiebenz.com/archive/
>>>>> 
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>>>>> _______________________________________
>>>>> 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
>>>> 
>>>> _______________________________________
>>>> 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
>>>> 
>>> _______________________________________
>>> 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
>>> _______________________________________
>>> 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
>> 
>> _______________________________________
>> 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
>> 
> 
> 
> 
> -- 
> Hans Neureiter, Katy, TX
> '82 300SD
> _______________________________________
> 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

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