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#1
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Questions on removing a 1985 300D transmission, How to questons.
I need to remove the automatic transmission from my son's car. I put in a new modulator and K1 spring to take care of a shifting flare and while installing the modulator, the front modulator bolt snapped off.
Soooo I have to remove the transmission and remove whats left of the bolt. If the threads are all galled up, which I suspect, you know just one of those projects, I will have to drill out the opening and install a heli-coil ( being very careful not to go through the case!!!). I will probably replace the front seal/pump seal while it's out. I will be reusing the transmission since it operates fine now since the items were replaced, and we don't have 5 speed to swap out anyway. I have removed and installed manual transmissions in Fords and Volkswagons. But never done a Mercedes automatic transmission. Been lucky I reviewed this post http://www.peachparts.com/shopforum/diesel-discussion/88699-auto-manual-transmission-conversion-has-begun.html#post581868 And still have a couple of questions. Things to remove to get the transmission prepared to remove. Drain the transmission fluid Cooling lines Speedometer cable Exhaust hanger Neutral safety switch wiring. Modulator vacuum line Drive shaft, disconnect and move to the rear, then place to the side. Transmission dip stick tube Cross member Shifter linkage, disconnect 7 bolts holding the transmission to the engine. Jack the car up very high. Or use a lift. Can you think of anything else???????? I will measure the total height needed considering the jack, transmission holder and the transmission height. I have very large 12 ton jacks ( 4) and will be careful. If I have everything together My sons friend has a lift we may use. Inclined to want to use the lift. I figure the tranny weights about 100# I will use a jack to lower it. I was going to cut some wood to make a level platform for the tranny pan to the jack plate and use ratcheting band/s to secure it to the jack. Is it OK to use the tranny pan as a support or should I create something to support the tranny at the pan bolts only? How far rearward does the tranny have to move to clear the input shaft from the engine? Rleo listed disconnecting the torque converter. What is done to the torque converter to prepare the tranny for removal. Additional question on the front seal. Looking at the EPC net diagrams ( attached below ) The front pump seal is the item that is outlined in blue (#18). Is this correct. Are their additional items I should consider. Thanks for the info. Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#2
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Is it possible to cut a hole in the transmission tunnel and access the broken bolt that way. Would save a lot of work if it's possible.
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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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No offense I just believe in doing things correctly if possible. Besides, Removing the seat, carpet, cutting the whole, figuring out how to fill the hole and with what. The replacement may get more complicated due to the galling of the treads. By the time you do all of that, I could probably have the tranny out and on my workbench. Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#4
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Please write this up
No suggestions BUT....
Given your propensity for excellent documentation of your procedures AND my leaking front pump seal I must admit I'm looking forward (hoping for) the dmorrison write up on this one!
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83 300d - 390k |
#5
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Dave, By disconnecting the front flex disk, pulling the rear mount out and dropping the back of the tranny downwards, you just may be able to access that area where the modulator is located. It would be worth a try. The valve cover will come in contact with the forewall and you'll need to tighten the valve cover when done but I'd try all that before pulling that tranmission. R
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Never a dull moment at Berry Hill Farm. |
#6
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running-snail If I do it at home and not on the lift I will make a photo journal on the job. Hell even if I do the job on a lift. Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#7
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Be careful or you're going to have us start rooting for something to go wrong with one of your fleet so you'll have to fix it and provide us with another photo essay. Might be a good time to acquire one of these: http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95640 Careful with that one-year-only tranny.....
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#8
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I already own the tranny adaptor. Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#9
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I've been eyeballing that tranny adapter for awhile. Is if effective enough to be "worth it"? BTW, we will never root for Morrison fleet breakage, but man we sure have been benefiting lately when it happens......
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#10
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Haven't used the tranny adapter yet. One problem is my normal use jack is the long body HF unit with a 1 1/4 inch hole. The adapter is designed for a 3/4 inch hole so I have to get a bushing for it. Or I could turn one out of something on the wood lathe.
Yes this new 85 300D has presented quite a few "new" areas for the forum and myself. So I'm not so upset with the items. My son has been driving the 300TD since he flooded his Mustang and so I'm not "rushed" on this car. However breaking the bolt head was a major bummer. The car was ready to go on the road and I screwed it up. Hate it when I do that. Lots of you have been there. Just a little tighter and .....Snap, Oh $hit. I just laid there under the car looking at the bolt head in the 5MM allen socket knowing that I just created another 5-6 hours of work for myself. All for a 50 cent bolt. Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#11
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The tranny weighs a little more than 100#....more like 140 or so. I just brought home a spare the other day. Heavy!
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#12
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Sounds like you've already thought things out well. I think that a bushing made of hardwood would be adequate. It will only be centering the adapter, not supporting any weight.
As has been pointed out, this transmission is just too heavy to manhandle, even by two big guys that spend lots of time at the Gym. This is a job that would be WAAAaaay easier on a lift with a transmission jack rather than the floor. Having said that, a transmission adapter on a floor jack will make a BIG difference if done on the floor. What would be even better would be one of the floor transmission jacks with all casters. A floor jack with two casters and two fixed wheels makes it more of a hassle, but beats manhandling it. It sounds to me like you've thought it through as usual which will minimize or eliminate surprises. BTW, get ready for this thing to bleed red fluid all over you no matter what you do. Hope this helps, |
#13
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Daves response to your above comment is comforting. It's good to know that the attitude of one of the guys that's possibly up front in the plane that I'm riding in has this attitude. |
#14
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Dec 10 2007: It was the best of times, it was the worst of times Dave The TD engine is toast. Trying to figure out what I want to do.
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#15
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Yep. If he was a rancher in Nebraska, he'd see things my way.
__________________
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 |
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