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Old 10th May 2009, 03:25   #1
Perrodulce
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Hard to put into first gear

I am finding it difficult to put the car into 1st gear - a lot of resistance. All other gears are fine. I am somewhat new to manual transmission problems, so I defer to the experts on the board. Thanks for any help!
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Old 10th May 2009, 04:00   #2
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Shifting in and out of 1st and 2nd is getting very tight

That thread might give you some insight on why there's resistance.
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Old 10th May 2009, 13:02   #3
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Quote:
Originally Posted by wxl1988 View Post
Shifting in and out of 1st and 2nd is getting very tight

That thread might give you some insight on why there's resistance.

In addition to the information in the above thread, I would like to share some personal experience.
Correct me if I'm wrong, but the M5's 6-speed gearbox is exactly the same that is used in E36 M3 Evo (i.e. the European version of M3 released in 1995 which had 321 bhp opposed to E36 M3 of 1993-1995 which had 5-speed gearbox and 286 bhp).
I had the same problem with my M3, that the first and sometimes second gears were very difficult to engage. The car had 90k on the odometer. Also, I didn't like the fact that to disengage the clutch you had to press the clutch pedal not only all the way down to the floor but even further, by which I mean that you had to press it really hard as if IN the floor otherwise it would be impossible to change gears. So the biting point was so low, that if you left at least one millimeter before the floor it wouldn't disengage fully.
Now I thought then that the clutch is so worn that it causes the problem. I've changed the clutch, but everything stayed the same. As you know the clutch on M3 and M5 is hydraulic, so the indy which changed the clutch explained to me that the stock hose where the tranny fluid goes when you press the pedal to disengage the clutch, is constantly exposed to heat, and with the time it can't hold the same shape, so when you press the clutch some of the luquid instead of being transffered stays IN the hose, the hose as if swells up a little. He replaced this hose with a custom made braided one, and the problem dissappeared, I could change the gears with two fingers after that!

It is a well known problem on M3s and M5s, and not fully disengaged clutch still allows you to change gears providing the syncromesh is new. With the time the syncromesh especially on the first and second gear are getting worn and it's harder and harder to change gears. However if you change the stock hose for the braided one, providing the tranny is more or less in a good health, you will save yourself the clutch change and a tranny overall.

Regards,
Tony
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Old 10th May 2009, 13:25   #4
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Quote:
Originally Posted by Perrodulce View Post
I am finding it difficult to put the car into 1st gear - a lot of resistance. All other gears are fine. I am somewhat new to manual transmission problems, so I defer to the experts on the board. Thanks for any help!
In addition to the other advice, try rev matching. With the clutch pedal out, blip the throttle lightly, then push clutch pedal in and slide in the gear lever. The blip should help line up the synchros.

If you can't do it with the car stopped, try shifting to 3rd, then back to 1st. Also helps line everything up.

1st is a little stiffer in this car than any other car I have driven. You have to be firm on your shifts, but never force it!! If you have to force it, something is wrong!
Regards,
Jerry
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Old 10th May 2009, 18:38   #5
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Good info to know, however I think it may also be the bleeding of the system after the hose was changed that helped fix this issue.
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Old 10th May 2009, 20:27   #6
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Quote:
Originally Posted by agregatM5 View Post
Correct me if I'm wrong, but the M5's 6-speed gearbox is exactly the same that is used in E36 M3 Evo (i.e. the European version of M3 released in 1995 which had 321 bhp opposed to E36 M3 of 1993-1995 which had 5-speed gearbox and 286 bhp).
Board member lscman took apart the Getrag transmission and found that the difference is the M5's tranny has no plastic parts inside, the M3 Evo does.

6 Speed Getrag Transmission Lube Issues
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Old 10th May 2009, 21:34   #7
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Just to clarify, I am not having trouble going into 2nd or any other gear, just from a stop, trying to put it into first is difficult...
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Old 10th May 2009, 23:06   #8
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Quote:
Originally Posted by wxl1988 View Post
Board member lscman took apart the Getrag transmission and found that the difference is the M5's tranny has no plastic parts inside, the M3 Evo does.

6 Speed Getrag Transmission Lube Issues
Didn't know that, thanks for the info, however in terms of changing gears they are identical, hard to put the first in, clonky for the second, and fine afterwards.

Perrodulce, is this problem with putting the first gear in is always there or just time to time? If always, then the syncromesh on the first gear is probably worn, if time to time then try to simply release the clutch and press it fully down again, it might be that your clutch is not disengaging properly, as I described before. or it could be both together

Lining up the syncros as gsfent advised is also a very good idea, it should not necessarily be the 3 gear, can be the 2nd and then you just move the gearstick forward and voila! you are in the first gear.


Regards,
Tony

Last edited by agregatM5; 10th May 2009 at 23:10.
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Old 11th May 2009, 16:22   #9
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Quote:
Originally Posted by agregatM5 View Post
the stock hose where the tranny fluid goes when you press the pedal to disengage the clutch, is constantly exposed to heat, and with the time it can't hold the same shape, so when you press the clutch some of the luquid instead of being transffered stays IN the hose, the hose as if swells up a little. He replaced this hose with a custom made braided one, and the problem dissappeared, I could change the gears with two fingers after that!
I'm having this exact issue when weather is warm and have been looking for a braided steel line...any ideas where I can get one? I might just have to replace with a stock line.
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Old 12th May 2009, 14:09   #10
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I'm having this exact issue when weather is warm and have been looking for a braided steel line...any ideas where I can get one? I might just have to replace with a stock line.
It's custom made: you could just try to find a braided hose of the same diameter and cut it so it's the same length, at least that's what my indy did then. It is worth the hassle, as it vastly improves the gearchange feel, and also 'box's syncromesh will last for much longer.

Regards,
Tony
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