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Car Forum / BMW Cars / August 2005

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325i not shifting into gears

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SQ - 20 Aug 2005 06:31 GMT
This is 1987 BMW 325i, 5-speed, with  185K miles.

Today it suddenly stopped shifting into gears - all gears when the
engine is running. It will only shift into gears if the engine is
turned off. Why is this happening? Could it be the clutch going bad?
fbloogyudsr - 20 Aug 2005 07:25 GMT
"SQ" <onestatusquo@yahoo.com> wrote
> This is 1987 BMW 325i, 5-speed, with  185K miles.
>
> Today it suddenly stopped shifting into gears - all gears when the
> engine is running. It will only shift into gears if the engine is
> turned off. Why is this happening? Could it be the clutch going bad?

Yes.  Either the master or slave cylinder has failed, or the pressure
plate's spring has failed.

Floyd
Asus - 20 Aug 2005 10:25 GMT
How can you know whan is master and whan is slave cilinder?

>> This is 1987 BMW 325i, 5-speed, with  185K miles.
>>
[quoted text clipped - 6 lines]
>
> Floyd
Dave Plowman (News) - 20 Aug 2005 11:04 GMT
> How can you know whan is master and whan is slave cilinder?

When a slave cylinder fails, there's usually evidence of leaking. Masters
sometimes not. So if there's no evidence of fluid loss, likely the master.
But if either fails, the pedal will feel different - little or no
resistance or extra travel before resistance felt. Although this last one
could also be down to other failures within the clutch.

Signature

*All men are idiots, and I married their King.

   Dave Plowman        dave@davenoise.co.uk           London SW
                 To e-mail, change noise into sound.

SQ - 21 Aug 2005 06:42 GMT
Yes, the pedal does feel softer. The PO told me that the slave cylinder
has been replaced.  Where do I check the fluid in the master cylinder,
and where is it located?
Dave Plowman (News) - 21 Aug 2005 09:06 GMT
>  Where do I check the fluid in the master cylinder,
> and where is it located?

On the other end of the clutch pedal? ;-(

Signature

*I'm pretty sure that sex is better than logic, but I can't prove it.  

   Dave Plowman        dave@davenoise.co.uk           London SW
                 To e-mail, change noise into sound.

Jeff Strickland - 21 Aug 2005 16:21 GMT
Frankly, if you have to ask, perhaps you are not the best person to be
checking.

The Clutch Master Cylinder is attached to the clutch pedal, and the fluid is
drawn from the Brake Fluid Reservior.

> Yes, the pedal does feel softer. The PO told me that the slave cylinder
> has been replaced.  Where do I check the fluid in the master cylinder,
> and where is it located?
Jeff Strickland - 21 Aug 2005 16:08 GMT
Yes, it could be the clutch going bad. Not the clutch itself so much as the
hydraulic system that is between the pedal and the clutch.

> This is 1987 BMW 325i, 5-speed, with  185K miles.
>
> Today it suddenly stopped shifting into gears - all gears when the
> engine is running. It will only shift into gears if the engine is
> turned off. Why is this happening? Could it be the clutch going bad?
 
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