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Lc hydraulic clutch problems


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#1 evl666

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Posted 10 February 2019 - 08:24 AM

Well my clutch won’t disengage when the the car is in gear. I look to have good travel on the slave cyclinder. I look to have good travel on the spigot against the clutch fingers. Anyone know how much travel I should have? I might add the engine isn’t running at the moment so this is the car in the ground, on a slight hill I push the clutch pedal in and try and move the car and it won’t budge

#2 S pack

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Posted 10 February 2019 - 08:43 AM

Release the hand brake? :tomaatit:

Seriously though, if the car has been sitting for a long time unused the clutch plate may have stuck to the flywheel.

You will need to climb under the car and whilst an assistant depresses the clutch pedal (g/box in neutral) check to see if the pressure plate releases from the clutch plate and using a blade screwdriver test if the clutch plate is free of the flywheel.


Edited by S pack, 10 February 2019 - 08:45 AM.


#3 rexy

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Posted 10 February 2019 - 10:05 AM

As above, likely causes include stuck clutch/gearbox and stuck brakes.

Can you push it with the car in neutral and handbrake off?

Was the car mobile before it was parked?

Jack the front and rear up and see if the wheels turn easily.

#4 evl666

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Posted 10 February 2019 - 12:32 PM

Thanks fellas. Been sitting for 4 years or so. I’ve taken the inspection cover off and I’ll get my assistant to give me a hand. It’s definitely pushing on the clutch fingers but it looks like the clutch disk is not separating for the the clutch plate. Can push in neutral with hand brake off. It’s up on my hoist so working on it is pretty easy. The car drove fine before it got a birthday so I’m not sure what’s going on.

Edited by evl666, 10 February 2019 - 12:34 PM.


#5 claysummers

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Posted 10 February 2019 - 01:18 PM

Try pushing in gear may free it up


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#6 evl666

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Posted 10 February 2019 - 05:39 PM

Right....so it looks like I’m not getting enough throw from the slave. I can go underneath and leaver the clutch fork to open further and it becomes free. I’ve bleed the bloody thing and I still can’t get any more throw. Tell me is there meant to be some free play between the spigot bearing and clutch fingers or is it meant to be hard up before you start pressing down on the pedal

Edited by evl666, 10 February 2019 - 05:40 PM.


#7 claysummers

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Posted 10 February 2019 - 10:55 PM

Minimal clearance at the mechanical interfaces either side of the hydraulics, like 0.5mm at the slave and 6mm at the pedal.


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