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Car Forum / BMW Cars / June 2007problems with 325i transmission.
I have a problem shifting into 1st and 2nd gear in my 325i E36. When the car is not working it goes through gears fine but when its running 1st and 2nd feel rough. As the car worms up it gets a bit better. Ive canged the bushings on the shifter but this didnt help. Do I need to change the gearbox? I hope not. Please help. Nedavno vanbasten1 napisa: > I have a problem shifting into 1st and 2nd gear in my 325i E36. When > the car is not working it goes through gears fine but when its > running 1st and 2nd feel rough. As the car worms up it gets a bit > better. Ive canged the bushings on the shifter but this didnt help. > Do I need to change the gearbox? > I hope not. Wrong gearbox oil?  Signature___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** I'll try chnging to different oil. we'll see what happens. Thank you. >I have a problem shifting into 1st and 2nd gear in my 325i E36. When the > car is not working it goes through gears fine but when its running 1st and [quoted text clipped - 3 lines] > I hope not. > Please help. Perhaps the synchronizer is worn. There may be a way to evaluated the condition of the synchronizer without tearing the transmission apart, but I don't know of one. Jim >>I have a problem shifting into 1st and 2nd gear in my 325i E36. When the >> car is not working it goes through gears fine but when its running 1st and [quoted text clipped - 9 lines] > >Jim In the old days we used to test a synchro by letting the engine tick over and pushing the lever into gear - the linkage used to be directly into the casing and not on the outside - haven't seen a BM box for a long time. If the engine revs fell one could assume the synchro rings were Ok. Another test was to let the car pick up speed by itself - no appreciable throttle - in first then lift off and try to slip it into second - if it went in easy then no problem but this only works going up the box. However a true sign of synchro ring problems is Crunching the gears. If it jumps out of gear it is usually the synchro-hub springs and balls and locating plates. Hugh SignatureSir Hugh of Bognor The difference between men and boys is the price of their toys. Intelligence is not knowing the answer but knowing where and how to find it! Hugh Gundersen hsg@h-gee.co.uk Bognor Regis, W.Sussex, England, UK > I have a problem shifting into 1st and 2nd gear in my 325i E36. When the > car is not working it goes through gears fine but when its running 1st and [quoted text clipped - 3 lines] > I hope not. > Please help. Sounds like maybe the clutch is dragging a bit when fully depressed (disengaged). This would make it hard to shift into gear when the engine is running. Signature-Fred W I cahnged the oil from 80W to 70W. This made the shifting a bit better. But there is still a problem. >I cahnged the oil from 80W to 70W. This made the shifting a bit better. But >there is still a problem. Er! Are you sure that it requires oil this thick? I remember the old Rover V8 gearboxes used engine oil and had a rear bearing oil pump and I recall that this was based on the ZF boxes that BMW use. Nedavno Oscar@nowhere.com napisa: > >I cahnged the oil from 80W to 70W. This made the shifting a bit > >better. But there is still a problem. > > Er! Are you sure that it requires oil this thick? I remember the old > Rover V8 gearboxes used engine oil So does my E30 M10 316. Signature___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** >I cahnged the oil from 80W to 70W. This made the shifting a bit better. But > there is still a problem. I haven't been following this thread, but if you have a hard-shifting manual transmission, I have found Royal Purple SynchroMax to do wonders. Bob |
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