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#1228509 03/28/05 11:39 PM
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My slave cylinder in my clutch is bad. It was part of a Luk clutch kit I had installed about 50,000 miles ago. What can cause a slave to go bad? There was still plenty of lining left on the clutch.

#1228510 03/29/05 05:10 AM
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IIRC, they have a 'rubber boot' and most likely, I would think that would be the first thing to go...


Ryan Trollin!
#1228511 03/29/05 05:27 AM
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Riding the clutch.

Holding the clutch in at stop lights, signs, et cetera. (Big cause!)

Lots of rush hour (bumper to bumper) driving.

Never bleeding/flushing the system. (should be done every 1 maybe 2 years just like the brakes)


2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.
#1228512 03/30/05 08:09 PM
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Thanks. I wonder why Ford put the slave cylinder inside the transmission and why Ford uses the same reservoir for both the brake and clutch fluid. I noticed that Honda puts the slave on the outside of the transmission, this makes it much easier to change. Also I noticed that Honda separates the reservoirs. I think this would help with any heat soak from the brakes migrating to the fluid. Hot fluid prematurely wears seals. I think Ford cut some corners.

#1228513 03/30/05 08:25 PM
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IIRC, most Fords use the same resovior. I know my SuperCoupe did.
Originally posted by Driver:
Thanks. I wonder why Ford put the slave cylinder inside the transmission and why Ford uses the same reservoir for both the brake and clutch fluid. I noticed that Honda puts the slave on the outside of the transmission, this makes it much easier to change. Also I noticed that Honda separates the reservoirs. I think this would help with any heat soak from the brakes migrating to the fluid. Hot fluid prematurely wears seals. I think Ford cut some corners.




Ryan Trollin!
#1228514 03/31/05 05:31 AM
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I don't think that there is any disadvantage to using a common resevoir.

I agree that it would be easier to change the slave cylinder if it were outside. However, the geometry of the clutch release linkage is better with the slave inside. The throwout bearing is applied more evenly than if it were actuated with a fork on a pivot. Fortunately, our cars don't have much trouble with the slave cylinder.

The biggest enemy of the slave cylinder is cruddy brake fluid. Change it every two or three years and it will last a long time. I change mine annually.


Jim Johnson 98 SVT 03 Escape Limited
#1228515 03/31/05 03:02 PM
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There must be some reason Honda uses a different reservoir for the clutch. I did notice that in maintenance manual there is no mention of a change out interval for the brake fluid but I do agree with you that changing the fluid will help a lot. I also agree that the geometry of the clutch release linkage is better with the slave inside but it really that important for production cars.


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