Anybody remember the guy who had made a monovalve replacement with a vacuum operated heater control valve with a electric solenoid controlling the vacuum to the valve? I need to finally replace my monovalve that I bypassed because it was history and this seemed to be a good option.

My cumputer crashed and I lost the schematic!

Monovalves are not that expensive. Why wouldn't you just buy a new one?

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

I agree...

The super cheap route would be to go to a junkyard and find a monovalve that works electrically - which shoudnt be hard - and then buy a monovalve rebuild kit for $40, plop the new plunger in there and you have a like new one.

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'85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit)
'82 300D, 'Tex', 228k body / 170k engine ... summer car
'83 300TD Cali Wagon 210k, wife's car

Do you have a good source for a new monovalve? They seem to be getting scarce.

Adsit Co have (or had, a few weeks ago) new ones in stock.

************** sometimes have used ones available.

Of course, I'm assuming that you have asked Phil at Fastlane on this site?

That's because the monovalves for the 300D are not being made any more! I've been trying to find one at an auto dismantlers and they are all gone! The only one I can find is in Indiana and they want $200.00 for it!

Anyway, I found the post here in the archives and I'll re-post it because Richard came up with a solution that really works!

http://www.peachparts.com/shopforum/showthread.php?t=188981

Try http://***************

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83 SD

84 CD

Just because its not being made doesnt mean the classic center can't make you one.. but it will probably cost $400