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#1
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Please help! Urgent guidance needed :( M103 to M102 Manual Transmission Swap
Hello everyone,
Really need some help here. Have a 1990 M103 260E Sportline stock 4 speed manual that I'm looking at swapping with a 5 speed manual box from a 190e M102 5 speed. The torque converter in the auto box has busted & i was already having problems with the transmission so I figured i'd try manual swap for the benefit of everything. I'm just in dire help of WHAT EXACTLY DO I NEED? I understand the bellhousing is the same, but what else? I know i need pedals shifter etc. What about driveshaft? clutch & flywheel is getting me confused? and anything else?? Please assist me if you can, Any help is much appreciated, thanks for taking the time to read my post. |
#2
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I've always thought M102 manuals were not compatible with M103....I am sure others will give input also.
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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) |
#3
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
#4
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M111, M102, M103, M104, OM601, OM602, OM603, OM604, OM605, and OM606 all share a bellhousing pattern.
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68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500 Nissan GTR - Nissan Skyline GTS25T - Toyota GTFour - Rover Mini - Toyota Land Cruiser HJ60 - Cadillac Eldorado - BMW E30 - BMW 135i |
#5
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Your post indicates you want to swap the manual 4 speed for the manual five speed. Then why put in the junk line about an automatic/torque converter. Anyway. do you have/own the 190E with the five speed. If you own it and haven't lost or sold the parts just switch it over. It should swap over with really no problem except the drive line length might have to be modified. Sometimes the transmission cross member or rear transmission mount has to be changed. So just get at it, it something doesn't fit, let us know. I would recommend that you keep the factory clutch with each transmission.
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Junqueyardjim Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis 1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA 2003 Jaguar Type X, AWD. beautiful, good mileage, Mom's car, but I won't let her drive it! |
#6
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Quote:
I can get everything from a m102 Donor 190e pretty much |
#7
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Well I think it can be done without much difficulty so long as you can do it with the 190E at your side. It is just a case of pulling every part you need from the 190E to the 300E. To do the job right that would include switching the differental and the speedometer as they are matched. If you don't switch differentials, don't switch the speedometer. Drive shaft length might have to modified, transmission mounts ect. are probably different also. You should install a new pilot bearing and throwout bearing and to do the job really right resurface the pressure plate and put in a new disc, (some of the 190's are pretty expensive). Your master cylinder will most probably work - it has a tit on the back corner that will have to be opened up to let the fluid pass. Change over the whole pedal box and change over the whole shifter assembly. Often shift levers must be changed in length - however if both engines sit the same distance away from the firewall then I would think the shift rods will be correct length. THE BIG THING! Hold on to the parts car until you are all finished.
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Junqueyardjim Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis 1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA 2003 Jaguar Type X, AWD. beautiful, good mileage, Mom's car, but I won't let her drive it! |
#8
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Same question - different thread on OD
http://www.peachparts.com/shopforum/open-discussion/352840-please-help-urgent-guidance-needed-m103-m102-manual-transmission-swap.html Can moderator merge?
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
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