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#1
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77 300D heater
Ok, I have learned enough that I do not want this evil servo in my car. It does not work.
I have a parts car, 85 300sd. What is the possibility of actually putting that heater system in this 300d? How hard would it be?
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83 300SD Dark Silver Dark brown inside |
#2
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Very difficult in my opinion. Not worth the effort. Replacing with a rebuilt metal bodied servo or the computerized alternative would be a better choice.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#3
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As Kerry said, the computerized would solve the Servo problem. Hardwired is a co that has them. think Phill sells them. might be around $700.00.
The way I would go, is pull the Heat/ a/c unit out of a 240D, then you would have the Manual controls and it would be simple and less problematic. I paid around $50 for ea one at PNP. I think it is 280ezrider that did it to his 77 280CE. beautuful car. I pulled a couple out of a 79 and a 83 240D, one is going in my 85 300D when ever it get moved further up the todo list. wonder why MB used the servo in the 77 300D and the manual in the 240D through 83? 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 |
#4
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does the manual control use all cables, or is it still vacuum for the flap doors?
That is what I started to think of doing, then I thought, I have all of these parts from the 82. So I will go back to the manual idea. Thanks
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83 300SD Dark Silver Dark brown inside |
#5
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Quote:
Of course you will have wire it in so it works right
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1986 300SDL, 211K,Dealership serviced its whole life 1991 190E 2.6(120k) 1983 300D(300k) 1977 300D(211k) |
#6
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^^I never knew that! I would have thought older version would be mechanical. I have a 79, so I guess I'm lucky everything works. Are the cable operated systems the most reliable of all?
Why did MB use the servo in the 300D? My guess is that it was supposed too be more luxurious, to have ACC, so they put it in to distinguish the 300D as the more expensive model. In America, the w123s were at a similar price point to the most expensive Cadillac and Lincolns, which had had ACC standard for many years. Are 116s as bad? I've lucked out, I guess. I've never had a problem with the Climate Control system in any of my Mercedes. Well, except the fact that the A/C compressor has never worked on my 240D. But the fan blows tons of air, and it puts out enough heat to warm a small Cathedral.
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1979 240D, 4spd manual, Power Sunroof, manual windows, 147k miles, Pastel gray/Black MB Tex. 1991 300D 2.5 - Smokes like it's on Crack! Last edited by Brandon_SLC; 09-21-2009 at 09:42 PM. |
#7
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#8
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The vac on the system is working because I have multiple fan speeds. So I removed the siezed pump, no help, and then bypassed the servo to a manual control, and a pull cable. Not much heat. Do I need the pump in the loop to provide good heat?
thanks
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83 300SD Dark Silver Dark brown inside |
#9
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Not quite, my 78 240D has manual cable operated flaps. If it has the big dials for each side of the car then it has a manual climate control and has cable operated flaps. Its only the automatice climate controls with the temperature wheel that have the vac operated flaps.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#10
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Sorry for the confusion. While I would like to upgrade this to the manual controls completely, I have not. I have left the evil servo, because the fan speeds, and flaps are working. I bypassed the servo, and installed a manual valve operated by a cable. and removed the pump.
I am thinking I need a new pump to help push the heated water. Will one from a W126 work?
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83 300SD Dark Silver Dark brown inside |
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