On Wed, 25 Dec 2019 04:37:07 + (UTC) Max Dillon
wrote:
>
> The SPDT function seems to be done mechanically in the base. I haven't
> taken one apart yet, but I surmise that the solenoid moves a rod that
> has two valve seats, which are opposed so that only one can be open at
> a time.
You
The SPDT function seems to be done mechanically in the base. I haven't taken
one apart yet, but I surmise that the solenoid moves a rod that has two valve
seats, which are opposed so that only one can be open at a time.
The part is the entire assembly. Only the circulation pump is available
Do you need the heated washer bottle in balmy SC? My cars never had
it. I had to make sure to use fluid rated to -40 in the winter. (Or
do without washers.) Could you delete the flow to the washer bottle and
use the cheaper valve? I salvaged a heated 126 washer bottle, but I
don't
On Tue, 24 Dec 2019 17:22:56 -0500 Meade Dillon via Mercedes
wrote:
> Craig - your VIN brings up the same $$$ monovalve as my '95 E300. The
> Daytona FL dealer I've been using has a list price of $520 for it.
> 001-830-40-84
>
> 004-830-20-84 seems to be for non-heated washer bottles, and
Craig - your VIN brings up the same $$$ monovalve as my '95 E300. The
Daytona FL dealer I've been using has a list price of $520 for it.
001-830-40-84
004-830-20-84 seems to be for non-heated washer bottles, and lists for $153
at same dealer. I'm going to poke around a bit more to see what I
On Tue, 24 Dec 2019 09:46:43 -0500 Meade Dillon via Mercedes
wrote:
> Craig - Send me your VIN so I can see which part number comes up for
> your replacement monovalve.
More than you wanted ...
Craig
VIN WDBEB28E1PB934645
1990-1993 300D 2.5 Turbo Chassis Type 124.128 Engine Type
Craig - Send me your VIN so I can see which part number comes up for your
replacement monovalve.
-
Max
Charleston SC
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This is different than the 87 -- circ pump is under the washer reservior on
that car, monovalve is by the battery.
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Probably. Will have hoses attached. Doesn't look like what I remember from
mine, but mine is an 87.
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Monovalve is on the right fender by the battery, it's on the return side of the
heater core.
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My current theory is that the bypass goes with the heated wiper washer
fluid bottle. The bypass pipe parts are noted in the EPC to go with the
heated bottle.
Does anyone have a 124 diesel with no heated wiper washer fluid bottle?
I'd like to know if your monovalve set-up includes the heater
Well the mystery deepens. Looking up a generic E300, instead of searching
by VIN, a different monovalve comes up, and it is forward compatible with
many later cars from 1995 up until 2011, including 210 E300 with OM606,
both turbo and non-turbo. Looking at the 124 2.5 models, 1991 used a
Peter, I don't know how a bypass would help that. Maybe it encourages a
continuous flow through more of the hoses, keeping them warmer?
I'm recalling that Curley's 124 2.5 also has a bypass, I need to see about the
cost of that monovalve new and if it could fit my car.
Max Dillon
Charleston
Since diesels produce very little waste heat at idle, I would suspect that
there is a bypass to prevent loss of cabin heat under low load -- the water can
cool off enough on the way from the head to the core enough to cause erratic
heat.
These are luxury cars, people complain of the heat isn't
On Sat, 21 Dec 2019 08:46:08 -0500 Meade Dillon via Mercedes
wrote:
> I compared the '94 gasser monovalve to the '95 E300 monovalve, and the
> major difference is that the E300 version has a bypass around the heater
> core, so the valve is two-way and either feeds coolant to the heater
> core or
On Sat, 21 Dec 2019 10:26:20 -0500 Meade Dillon via Mercedes
wrote:
> Yes, that part is pretty straightforward to design and execute.
>
> Plumbing the coolant flow is where it gets fun.
Oh! Sorry, I did not think of that!
> I need a new branch off the coolant circuit on the other side of the
I've always built those out of soldered 1/2" copper fittings. Made
some the first time to send water to the MB heater I installed as a
second heater for the frod van. Last was to replace the crappy prastic
Ys for the same purpose in the new dogde van so I don't get F.O.R.D again.
Meade
Yes, that part is pretty straightforward to design and execute.
Plumbing the coolant flow is where it gets fun. I need a new branch off
the coolant circuit on the other side of the existing monovalve for the
bypass circuit. Right now that branching occurs in the existing monovalve
body. This
On Sat, 21 Dec 2019 08:46:08 -0500 Meade Dillon via Mercedes
wrote:
> One way to re-engineer would be replace the $450 valve (two-way) with
> two on-off valves, one on the heater core circuit and one on the bypass
> circuit, controlled so that either one or the other is open. That
> would be a
I compared the '94 gasser monovalve to the '95 E300 monovalve, and the
major difference is that the E300 version has a bypass around the heater
core, so the valve is two-way and either feeds coolant to the heater core
or bypasses the heater core. Gasser has no bypass, so the valve is simple
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