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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Tue, Oct-30-2018, 01:03:04 AM   #1
The G.O.A.T.
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Default Help, clutch slave cylinder replacement. It broke.

So I was changing out the slave cylinder and I got it bled while it was on the outside of the car. I installed it into the transmission and went to push the clutch pedal it sunk about a quarter of the way down and then got really firm. So I pushed a bit harder and heard a pop. And then there was no pressure. I then pulled the slave out and the entire rod and bushing was missing and it looks like it is in the transmission. ������☹️����

My question is now what? Do I drop the transmission? How hard is that as I've never done one before. If someone could direct me to a do-it-yourself video or at least some step by step instructions that would be great...

Thanks
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Old Tue, Oct-30-2018, 02:29:02 AM   #2
Texaz3
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Default Re: Help, clutch slave cylinder replacement. It broke.


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Old Tue, Oct-30-2018, 08:17:49 PM   #3
englishtom1596q
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Default Re: Help, clutch slave cylinder replacement. It broke.

you can also get in there with a magnet to try and fish it out. this will be challenging but people have done it. I would at least try it before pulling the trans.
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Old Wed, Oct-31-2018, 03:53:21 PM   #4
Aeko
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Default Re: Help, clutch slave cylinder replacement. It broke.

^ Seconded. That's gonna be your best bet. Just doing it by myself it takes about 6 hours to pull the transmission without a lift. Good luck.
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Old Wed, Oct-31-2018, 04:13:01 PM   #5
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Default Re: Help, clutch slave cylinder replacement. It broke.

Quote:
Originally Posted by englishtom1596q View Post
you can also get in there with a magnet to try and fish it out. this will be challenging but people have done it. I would at least try it before pulling the trans.
The problem is trying to fish it out is that the clutch fork lever is in the way if the slave cylinder piston fell to the bottom of the bell housing...I had the soft tip of the slave cylinder piston fell to the bottom of the bell housing and guess what...it's still there...not going to drop the transmission for that however, the piston shaft is a different story. One member here had drilled a hole in the bottom of the bell housing to fish out the piston...hope he sees this thread and respond.

OP...did you use a power bleed in the process? I have found that the slave cylinder rubber boot can take only about 5lbs psi before bursting.
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Old Wed, Oct-31-2018, 07:41:24 PM   #6
Earthwormjlm
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Default Re: Help, clutch slave cylinder replacement. It broke.

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Originally Posted by NolliM3 View Post
The problem is trying to fish it out is that the clutch fork lever is in the way if the slave cylinder piston fell to the bottom of the bell housing...I had the soft tip of the slave cylinder piston fell to the bottom of the bell housing and guess what...it's still there...not going to drop the transmission for that however, the piston shaft is a different story. One member here had drilled a hole in the bottom of the bell housing to fish out the piston...hope he sees this thread and respond.

OP...did you use a power bleed in the process? I have found that the slave cylinder rubber boot can take only about 5lbs psi before bursting.
Same thing happened to me, although the tip never separated from the piston.

I went out and bought a snaking camera for about $50 from harbor freight, looked around till I saw where the piston was located, then spent about an hour fishing it out with a wire coat hanger with a neodymium magnet glued and taped to the tip.

Don't drill the bell housing, that is really ghetto, you can definitely fish the piston out, it just takes patience.
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Discussing Help, clutch slave cylinder replacement. It broke. in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)