Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Clutch Slave changed, clutch won’t disengage

Old Feb 27, 2020 | 09:55 AM
  #1  
Teabudy's Avatar
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Clutch Slave changed, clutch won’t disengage

I changed out my clutch slave cylinder. PITA to bleed. Finally got a power bleeder and it seemed to do the trick. I had some resistance in the pedal. I’m assuming I didn’t do it enough because the clutch won’t disengage when fully down on the clutch pedal. Can anyone give me some advice pleeeeeaaaase?

I wasn’t planning on driving this car regularly yet but I got into a really bad accident over the weekend and my challenger is totaled.

So I’m hoping someone has some advice. Do I need to bleed it some more??

thanks!
 
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Old Feb 27, 2020 | 01:31 PM
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Get a friend to press the clutch pedal while you stick your head under the hood to watch the slave actuate. You should be able to see if it is operating properly.

That's where I'd start. I'd guess you probably still have air in the lines, clutches can be a ***** to bleed. Unless you have other clutch issues not mentioned in your post.
 
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Old Feb 27, 2020 | 02:58 PM
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Originally Posted by Derek86
Get a friend to press the clutch pedal while you stick your head under the hood to watch the slave actuate. You should be able to see if it is operating properly.

That's where I'd start. I'd guess you probably still have air in the lines, clutches can be a ***** to bleed. Unless you have other clutch issues not mentioned in your post.

It moved but not nearly enough. Gonna give it another go In about an hour. Need to pick up more brake fluid and probably repeat the process several more times.

The car was having trouble going into gear. So I checked and noticed a ton of gunk all over the slave. The previous owner stated it was due for a change. No clutch slippage or anything make me believe it's anything other than the slave cylinder.

Just a pain in the behind.

Thanks for the reply.
 
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Old Feb 28, 2020 | 04:25 AM
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Scudder44
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Did you know you have to use a tool to compress the slave before fitting otherwise you will never bleed it? You can fab your own using two bolts and a plate.

 
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Old Feb 28, 2020 | 07:16 AM
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Also make sure that you have mounted the new slave correctly on the gearbox housing.
When I did mine; I wasn't paying attention; and mounted it on the wrong side of the 2 mount points. It was an effort to squeeze it in there but I proudly did it, before realizing I couldn't get any movement in the pedal
 
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Old Feb 28, 2020 | 03:38 PM
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Originally Posted by Scudder44
Did you know you have to use a tool to compress the slave before fitting otherwise you will never bleed it? You can fab your own using two bolts and a plate.
We made out own which sufficed for that part of the install.
 
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Old Feb 28, 2020 | 03:43 PM
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Originally Posted by ladsjohn
Also make sure that you have mounted the new slave correctly on the gearbox housing.
When I did mine; I wasn't paying attention; and mounted it on the wrong side of the 2 mount points. It was an effort to squeeze it in there but I proudly did it, before realizing I couldn't get any movement in the pedal
😳 hold up...wrong side??? It bolts from the right side, right?
 
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Old Feb 28, 2020 | 04:12 PM
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1qwkmini
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https://cdn4.pelicanparts.com/techar...mall/pic02.jpg
Should look like this when done!!
 
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Old Feb 28, 2020 | 07:27 PM
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Originally Posted by 1qwkmini
Ok good that's how it's looked. Broke it while trying to insert it into it's spot. Such a delicate piece of plastic.

When placing it in it's spot, the bleeder needs to be open, correct?
 
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Old Mar 1, 2020 | 11:15 AM
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Never again will I change that stupid delicate thing. Lol

Finally got it done. Gear shift super smooth now. Just don't feel enough pressure back and still have to press all the way to the floor for a clean shift.

Otherwise happy that I was able to get it done by myself when my certified mechanic buddies couldn't.
 
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Old Mar 2, 2020 | 06:04 PM
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bdubya
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Originally Posted by Teabudy
Never again will I change that stupid delicate thing. Lol

Finally got it done. Gear shift super smooth now. Just don't feel enough pressure back and still have to press all the way to the floor for a clean shift.

Otherwise happy that I was able to get it done by myself when my certified mechanic buddies couldn't.
Sounds like there might still be some air in the system. Might want to bleed it more.

And for the record, when I did mine, I just used an ordinary bar clamp to compress it (and then kept one hand wrapped around the cylinder and the clamp until I had it in place). Seemed to work just fine.
 
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