I have tried several mono valves for my heater in a 1986 W126. None seem to last or won't work at all. I have resorted to removing the bottom of the solenoid plunger to use in the winter but that only results in heat all the time. Where can I get a reliable replacement valve.
Dependable Mono valve?
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'17 GLS450, '14 GLK250 "Grandpa's Roadster" Project Car, 350SDL (Sold)
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There's been about 5 million words written on monovalves. I suggest you use the search function and read up on it. There is no simple answer, unless you want to spend a lot of money.
I'm sure you're happy you asked for help so the Mercedes Gurus could shame you
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'17 GLS450, '14 GLK250 "Grandpa's Roadster" Project Car, 350SDL (Sold)
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6,236 Posts
I'm not sure how I should take that.
'17 GLS450, '14 GLK250 "Grandpa's Roadster" Project Car, 350SDL (Sold)
Joined
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6,236 Posts
OP: Hope you didn't get scared off. I just believe it's better to educate yourself then pick the right solution for your situation. Here's a good place to start:
www.benzworld.org
Part 2:
www.benzworld.org
Mono Valves and the meaning of life
OK, yesterday I decided it was time to start on my science project, even though I was a little short on materials. I have a non-functioning, installed monovalve which I'm assuming is the original, 25 year old part. I have a new MTC repair insert that I got last year for $15 or so. My heat works...
www.benzworld.org
Part 2:
Monovalve - MTC, Bosch, or BMW?
Recently John posted a very good thread about the combination between the aftermarket mono valve MTC and MB. The thread can be found here: http://www.benzworld.org/forums/w126-s-se-sec-sel-sd/2497961-mono-valves-meaning-life.html . However, there is a bit more to the monovalve story going...
www.benzworld.org
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