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#46
07-02-2006, 11:58 PM
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#47
07-03-2006, 09:15 AM
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I'll swing by there today! WOOHOO! 
__________________
91 350SD 14 F150 Eco 19 Fusion Hybrid 11 GT500
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#48
07-03-2006, 02:34 PM
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Monovalve
Is there a link with a pic of the monovalve? Where is it located? I'm having bizarre ac problems too and I'm looking for troubleshooting tips. I just added insulation to the ac line, pressure washed my condensor and double checked the pressure in the line. No luck. I can hear the ac kicking in when I turn it on but air from the vent is 'cool' and eventually turns to "I need to roll down the windows" temperature.
Quote:
__________________
84' Mercedes 300TD Greasecar 96' VW Golf lysholm charged
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#49
07-03-2006, 07:41 PM
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#50
07-03-2006, 08:02 PM
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Standing at the front of your car, looking towards the windshield, look at the battery on your left right under the windshield. Next to that, moving right, is a space, then a 3" x 3" x 5"h (+/-) boxy thing bolted to a bracket on the firewall with two bolts. Unbolt those two bolts, and pull the box toward you a bit. Take out the 4 slot screws on top and lift out the monovalve inside. Replace, and follow instructions in reverse. You're done.
Wish that had fixed my car's AC.... Whish the AC on the silver car hadn't died 30 miles into a 250 mile round trip today! Me and AC -- we're cursed!!!
__________________
Anthracite 1980 300D -- 64k original miles with a new engine, on the road again! Silver 300D -- second owner, Sunny's old baby, Ilse, 210 miles, Having to thin the herd…. Silver 1983 300SD -- second owner, 325k miles Gold 1981 300D -- well-traveled, solid little car Beige 1984 300D -- 292k miles, grease machine, parting out Seafoam green 1981 300SD -- 250k, windshield frame damage too many assorted w123 & w126 cars, parts cars, and extras
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#51
07-03-2006, 09:39 PM
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Mono valve
On my 1985 300D Turbo (California). I took off the heat shield that protects the battery (two screws above, two miserable ones below) although it isn't necessary, just makes things easier to get at. The rebuilding kit is about $50.
Jeremy
__________________
 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#52
07-03-2006, 09:45 PM
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Jeremy --
Don't know where you got your rebuild kit, but I got mine from JoeTLC (JT Outfitters) on eBay for about $20 each. Others have used these and had good results. I don't think my problem is related to the quality of the part.
__________________
Anthracite 1980 300D -- 64k original miles with a new engine, on the road again! Silver 300D -- second owner, Sunny's old baby, Ilse, 210 miles, Having to thin the herd…. Silver 1983 300SD -- second owner, 325k miles Gold 1981 300D -- well-traveled, solid little car Beige 1984 300D -- 292k miles, grease machine, parting out Seafoam green 1981 300SD -- 250k, windshield frame damage too many assorted w123 & w126 cars, parts cars, and extras
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#53
07-04-2006, 12:56 PM
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Compressor
Would a weak compressor or one with low oil cause this warming/cooling fluctuation?
__________________
84' Mercedes 300TD Greasecar 96' VW Golf lysholm charged
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#54
07-04-2006, 03:09 PM
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A weak compressor would not usually be the culprit... that would usually just result in the compressor being on a larger percentage of the time... since it will cool at some times....
Too much oil can certainly be a problem...but short of burning out the compressor the oil is not needed for cooling... it is only in there for compressor lubrication...
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