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  #1  
Old 12-16-2006, 04:11 PM
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broken monovalve coil

ok, so I was trying to remove the monovalve from its housing and went a little too far, now the coil is detatched from its little leads to the posts (cant find the point where they broke from the coil) and it is no longer attatched to the metal plate...And the metal housing that sits aournd the coil has detatched from the plate as well... (next time i wont try to drive it out with a hammer and vise
Can I fix this little mess or do I need a new housing unit. where can i look for such a piece? and how much. right now i re-installed the broken unit to keep driving without loosing coolant, but didn't attatch the electrical leads back up...
That bugger was friggin stuck in there and all corroded too! But I was right in my diagnosis, the rubber diaphram was torn to shreds!
thanks for whatever help you can offer.
- Ben

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  #2  
Old 12-16-2006, 07:39 PM
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Need critical data to help

Data needed:
Year.
Make.
Model.
Miles on the car.
Geographic location = nearest major city.




Have a great day.
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  #3  
Old 12-16-2006, 09:34 PM
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Is the MAKE really neccesary??
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  #4  
Old 12-17-2006, 01:02 AM
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No

Quote:
Originally Posted by Gilly View Post
Is the MAKE really neccesary??
It is a generic formula, from a text file that I use on other forums.
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  #5  
Old 12-17-2006, 12:46 PM
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I Just Did This Exact Same Thing And Now My Girlfriend Wont Talk To Me!!!
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  #6  
Old 12-17-2006, 12:49 PM
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ps. i have an '82 300sd. whats it going to cost ME to replace the housing?
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  #7  
Old 12-17-2006, 03:23 PM
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Lightbulb New

Quote:
Originally Posted by its_snowing View Post
ps. i have an '82 300sd. whats it going to cost ME to replace the housing?
Depending upon your Chassis number, here are the prices and links.

PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1982 Mercedes Benz 300SD
Heater Control Valve, (Solenoid Valve) NOTE: For Use with Heated Windshield
MB# 000 830 37 84

Fastlane: ACC Mono Valve
http://catalog.peachparts.com/item.wws?sku=W0133-1600853
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Prototype R&D/testing:
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Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

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1983 300D
1984 190D
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Last edited by whunter; 06-06-2011 at 06:30 PM.
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  #8  
Old 12-17-2006, 05:39 PM
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oh man. so im going to have to replace the entire valve? theres no reconnecting the wire? this was the costliest minor error ive yet made.
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  #9  
Old 12-17-2006, 06:39 PM
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This is something you would get from a wrecker's yard, since a new "kit" gets it up to par with smaller effort/cost. Check here for example:

http://cgi.ebay.com/ebaymotors/MERCEDES-380SEL-420SEL-500SEL-HEATER-CONTROL-VALVE_W0QQitemZ180064406738QQihZ008QQcategoryZ33548QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

or here:
http://cgi.ebay.com/ebaymotors/Mercedes-W-126-Heater-Valve-380SEC-380SEL-300SD_W0QQitemZ170061050512QQihZ007QQcategoryZ33548QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
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  #10  
Old 12-17-2006, 07:02 PM
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hmm. thats a good idea. my question is... how can i figure out if my car has a heated windshield or not. i know its a silly question to ask, but ive only had it for a little bit, and i cant tell!
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  #11  
Old 12-17-2006, 07:10 PM
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There is a little, ~1/4" fitting at the bottom of the valve; for the extra hose (little) that goes to the windshield heater. Look carefully at the two pictures Hunter cited.
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  #12  
Old 12-18-2006, 03:25 PM
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im driving an 82 300D. Put all the stuff back together as good I could then finished flushing the coolant system. Now I get lots of heat, so mybe the thing defaults to open? Dont know. Where should i look for replacement units? (prefeably cheap/used)?
- Ben
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  #13  
Old 12-18-2006, 06:57 PM
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Yes, the default is open, exactly right. MB designed it this way so if something fails you will have heat, in case the defroster is needed to clear the windshield.
Gilly
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  #14  
Old 12-18-2006, 07:43 PM
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Lightbulb Answer:

Quote:
Originally Posted by bungeekord View Post
Where should i look for replacement units? (prefeably cheap/used)?
- Ben
Search: Key Word(s): mono ; Forum: Parts
http://www.peachparts.com/shopforum/search.php


ShopForum > Shop Swap Classifieds
Parts
Post parts for sale or wanted here. Open to individuals only. NO COMMERCIAL LISTINGS.
http://www.peachparts.com/shopforum/mercedes-benz-used-parts-sale-wanted/


Junk yard.
eBay.
Craigslist.

Last edited by whunter; 07-28-2010 at 05:00 PM.
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  #15  
Old 12-18-2006, 11:05 PM
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There's a yard up the road, that I know has at least 5 of them.

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