Slave Cylinder Bleeding Help - BMW Luxury Touring Community
 
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post #1 of 9 Old Jul 28th, 2007, 3:46 pm Thread Starter
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Slave Cylinder Bleeding Help

Replaced the slave cylinder and I can't get the air out. The most movement of the clutch was about 1/2 inch from the grip.
Tried using the clutch lever to bleed.
Used a small hand held vacuum pump.
Use the pressure side of the pump to reverse flow of the fluid.
I am almost at the point to take the slave cylinder out, so you can see I do need help.

DON PS I ran about a pint of fluid both ways.
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post #2 of 9 Old Jul 28th, 2007, 6:46 pm
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Quote:
Originally Posted by donsobeck
Replaced the slave cylinder and I can't get the air out. The most movement of the clutch was about 1/2 inch from the grip.
Tried using the clutch lever to bleed.
Used a small hand held vacuum pump.
Use the pressure side of the pump to reverse flow of the fluid.
I am almost at the point to take the slave cylinder out, so you can see I do need help.

DON PS I ran about a pint of fluid both ways.

Are you using a speedbleeder at the end of the line? I have had a bit of trouble using a speedbleeder there and had to use a regular bleeder valve instead.

Jack Homesley
Cornelius, NC USA
'06 Goldwing - "The Black Pearl"
Too many others to list...


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post #3 of 9 Old Jul 28th, 2007, 7:09 pm
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I use a MightyVac II.
It will pull and push fluids.

Top off your res. and pull the fluid down through the bleeder valve.

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post #4 of 9 Old Jul 28th, 2007, 7:11 pm Thread Starter
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Quote:
Originally Posted by cccpastorjack
Are you using a speedbleeder at the end of the line? I have had a bit of trouble using a speedbleeder there and had to use a regular bleeder valve instead.
No just a regular bleeder.
I have the whole system open now just to see what will happen.

DON
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post #5 of 9 Old Jul 28th, 2007, 7:14 pm Thread Starter
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Quote:
Originally Posted by MikeERideWNC
I use a MightyVac II.
It will pull and push fluids.

Top off your res. and pull the fluid down through the bleeder valve.
That is what I used Mike.

DON
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post #6 of 9 Old Jul 28th, 2007, 10:11 pm
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In that case,
You can try the messy way and push the fluid up to the res.

Pushing from the bottom up will do it.
But with the Mighty Vac, be prepared to drip fluid everywhere.
Remove the cap and Use the valve at the top of the pump.

I have learned to totally hate ALL fluid changes on my LT.
BMW could have placed more engineers in the areas of "ease of service."

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post #7 of 9 Old Jul 28th, 2007, 11:18 pm
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I deal with civil engineers (they really aren't "civil") on a daily basis. I have found that while most of them have extensive educations, they lack the knowledge of the products they are drawing/specifying.

Some engineers should have stuck with driving trains!

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post #8 of 9 Old Jul 29th, 2007, 10:45 am
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So...were you ever able to get the air out of the system and the clutch working?

Jack Homesley
Cornelius, NC USA
'06 Goldwing - "The Black Pearl"
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post #9 of 9 Old Jul 29th, 2007, 7:02 pm
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Cool

I had a little trouble with mine last year . I remember that I got a lot of air out by pumping the clutch handle and just letting it out fast . Kind of like "dumping" the clutch . I'd let the handle fly ,and some bubbles would come out into the master cylinder reservoir . I must have "pumped" it that way 50 times , and air came out most ever time . Just watch out for brake fluid on your paint work . Hope this is of help ...patric ...

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