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#16
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Okay. I am now pretty confident the transmission will bolt in and work. Last night I ran into a problem. Since the tailshaft swap wont' work, I was deciding whether to
1- Swap speedo assemblies out 2- Swap entire clusters 3- Something else I quickly was able to rule out #1 as the speedo's were completely different sizes. The mechanical one is much much larger and did not even come close to fitting in the cluster. #2 could work. First the 116 cluster is much smaller so it wouldn't fit nicely. Second I would need to do a lot of wiring as the plugs are different. I am now considering something else. I guess here are my real options. A- Put the 120 transmission in and drive without speedometer B- Buy some aftermarket mechanical to electrical converter (Was told $100 plus) C- Rebuild my old transmission D- Buy a used 722.303 transmission I really don't like option A since this is not a long term solution. B is probably going to cost me close to what D is. I would only consider C if I did it myself as I don't have the money to shell out $1500+ on a rebuild. I have done extensive research and it seems doable. Especially since the problems was that it was not upshifting out of 1st gear. I believe I have narrowed it down to three possible problems. Bad valve body. bad governor, bad clutch assembly. I am currently checking on D. If I can get one shipped to my door for under $500 with at least a 30 day guarantee I will probably go this route and then sell the 722.120 transmission (which buy the way seemed to be the best part of the 116 car. I couldn't believe how well it shifted while I was driving it!)
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2009 ML320 Bluetec 1985 300CD 1981 300TD Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD |
#17
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Did you check the rebuild manuals? I just finished swapping around the tailshafts on two 722.3 transmissions (90mm vs 100mm drive shaft bot postitions) and have eyeballed some of the dead 722.1 transmissions I have here. I think you'll find that the tailshaft part is indeed the same spline pattern, even though the case is completely different.
-CTH |
#18
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Quote:
Thanks!
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2009 ML320 Bluetec 1985 300CD 1981 300TD Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD |
#19
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not even the external, just the last part, the tail shaft. It's splined onto the internal stuff. Check out the 722.3 rebuild pdf mentioned here for the picture of the tailshaft assembly...
info on 722.3 - 722.5 transmissions Also check out the EPC. -CTH |
#20
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Quote:
But isn't the speedometer signal measured on the internals? My main concern in swapping the tailshafts is to get the electrical signal to work on my speedometer. Otherwise I don't think I will be able to get my speedometer to work.
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2009 ML320 Bluetec 1985 300CD 1981 300TD Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD |
#21
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I just went out and looked at the transmissions. I looked at all the electronics attachments. I really don't see how anything would work. I also don't see the point of swapping tailshafts if I'm not doing anything with the electronics as the both look identical.
Am I missing something? Right now I'm still checking into used trannys.
__________________
2009 ML320 Bluetec 1985 300CD 1981 300TD Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD |
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