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#1
03-11-2010, 09:33 PM
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need help with 1980 Heating/cooling system.
If someone could help me find the heating/cooling /venting system diagram for this car (see pictures).
1980 300TD euro. Thank you.
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1980 300TD(euro non turbo): Eng: 617.912 /Tran:722.118 1985 300SD: Eng: 617.951/Tran: 722.416 
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#2
03-11-2010, 09:50 PM
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what issues are you having? it's all manual as far as I know...
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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
03-11-2010, 10:15 PM
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Quote:
I am going to remove the dash, while in there I wanted to see what parts I should order. I know there is some vacuum valve, I was wondering about the heat core etc... Don't want to have to remove the dash again... Can't wait to get the manuals.... Thanks
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1980 300TD(euro non turbo): Eng: 617.912 /Tran:722.118 1985 300SD: Eng: 617.951/Tran: 722.416
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#4
03-11-2010, 10:33 PM
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I think vstech meant it is all manually controlled, not schematic 'manual'. I would not remove the dash until you know what is the problem.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.  W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html 1 X 2006 CDI 1 x 87 300SDL 1 x 87 300D 1 x 87 300TDT wagon 1 x 83 300D 1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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#5
03-11-2010, 11:37 PM
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Quote:
I am removing the dash to replace it. So I was thinking about doing some R&R while it's time. I can smell (not always) coolant when the heater is on.
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1980 300TD(euro non turbo): Eng: 617.912 /Tran:722.118 1985 300SD: Eng: 617.951/Tran: 722.416
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#6
03-11-2010, 11:38 PM
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I think there is only one vacuum pod, it is on the right of the blower motor. remove the pass side under dash panel. every thing else is just some cables and levers.
Being a 30yr old car, the A/C evaporator and the heater core might be plugged up with debris. be a good time to clean them out for better air flow. Coolant smell. I have that in both cars sometimes. might be a hose or 2 to replace, or the heater core has a leak. something I have to dig into this summer. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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