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#1
11-13-2012, 12:06 AM
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Summer= no AC...now Winter = no heat!
Blower motor on my 1995 E300D works great but there is no heated air coming out, This was a bit dangerous yesterday when I couldn't get the frost to defrost.
I find it easier to drive when I can see through the front and rear windshields, but maybe that's just me. Any ideas out there? Last edited by Whiskey Tango Foxtrot; 11-13-2012 at 12:15 AM. Reason: add 
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#2
11-13-2012, 12:59 AM
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verify if coolant is flowing into the heater area under the windshield. there is a duovalve near the battery, and an aux pump near the brake booster... verify both are running, and that'll narrow the issues.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
11-13-2012, 10:52 AM
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Location, location, location
The '95 E300D has a combined monovalve and aux pump; the combined unit is next to the battery.
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 Last edited by Jeremy5848; 11-13-2012 at 11:17 AM. Reason: Add photo
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#4
11-13-2012, 01:50 PM
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thanks guys! Thank you for the detailed/photo answers...I need that.
I just called the parts dept and the price of that unit is $600 USA. OUCH!!! looks as if it's time for a pick and pull gamble.
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#5
11-13-2012, 04:45 PM
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first try tapping on that valve with a small hammer, it may free up if its stuck - when I bought my car the valve was stuck and was solved by tapping it. Its a regular style MB valve - I dont recall where I saw a rebuild kit for it - maybe the german W124 forum or the UK one but they fixed it with such a kit.
I have seen BMWs with similar valves but dont know if they are the same. That twin assembly is unique to the 1995 E300D, both parts share one base. The single elbow pipe on the side of the valve was cracked on mine so I had to resort to "plastic JB weld with some fiberglas threads to repair it, holding up excellent till now, but have not yet found a dead housing base assembly to rebuild mine with. The pump can be rebuilt too - if you are dexterous with small tools, the carbon brushes are the items that wear out.
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2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017)
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#6
11-13-2012, 07:13 PM
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The base is unique/common but it may be possible to replace, for example, just the monovalve by taking apart a new one and moving just the solenoid valve assembly. Ditto the pump, if it's not possible to rebuild yours. OTOH, it may simply be clogged. Disassemble and inspect before spending all that $$$.
Jeremy
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"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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