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AC fan
I have whats probably a pretty dumb question, Does the AC fan run when ever the AC is on? My 85 240D has an after market AC which is seldom ever used, so I dont know much about it, it always worked when I needed it. Last summer in Ca I had the system flushed and the guy mentioned the fan runs when ever the AC is on,..that so?
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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You mean the blower in the passenger compartment or the electric fan in front of the radiator?
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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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An '85 240D? Do tell more
The aux fan (I presume this is what we're talking about) in front of the condenser only turns on at a certain temp, if the refrigerant temp is too high, if memory serves me right. Others have rigged it so it stays on when the AC is on, but that depends on your location of course.
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http://farm8.staticflickr.com/7271/7...144c3fc1dc.jpg |
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Right, the fan in front of the condenser, would there be any harm is running it all the time when the AC is on or do I need to find out where this sensor is??
240Ds were built through 1985 just like the rest but were not sold over here for some reason.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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I have an 84 euro 240d with an aftermarket ac system probably very similar to yours. The aux fan should run and only run when your ac system is on.
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So, AC on, fan on, got it, thanks.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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With an aftermarket system. In a OE system it only runs when the freon gets up to a specific temperature and trips a switch on the receiver/dryer.
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Quote:
The sensor is on the receiver/dryer.
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
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[QUOTE=dannym;1969204]Rigging the fan to start when the AC goes on will hurt you in cold weather.
I must be missing something, but why would I have the AC going in cold weather? Now I have it hooked up to a switch (OEM dome light switch) on the console, which works fine, but its not "idiot proof" (some idiot could forget too turn it on) In this way the fan could be used any time for extra cooling, which, of course shouldn't be needed if everything is working right, but nice to have I guess.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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[QUOTE=Stevo;1969285]
Quote:
I simply answered your question.
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
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You would have the system going in cold weather when you want to use the defroster on a cold day.
-Jason
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
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Ah, I see whats going on, I believe you have climate control, which I dont have in the 240D, meaning my AC is not connected to the defrosters, meaning I wouldn't be using AC in cool weather. At least thats the way I think it works which also answers dannym's post, I think
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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I just had a flashback to my first car, a '73 VW Superbeetle.
I had to defrost the inside of the windshield every couple of miles with a cassette case.
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1982 300CD Petrol/Black Leather |
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Quote:
- Peter.
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2021 Chevrolet Spark Formerly... 2000 GMC Sonoma 1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021 2002 Kia Rio. Worst crap on four wheels 1981 240D 4spd stick. 389000 miles. 1984 123 200 1979 116 280S 1972 Cadillac Sedan DeVille 1971 108 280S |
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