Can't de-clutch!
Discussion
Anyone help me with this one?
The clutch pedal on my V8S has gone 'solid'. Have looked at the slave cylinder, and the rod between the slave piston to the yoke acting on the release bearing had 'fallen out' of the rubber dust seal on the end of the slave cylinder.
Ah-haa! thought I, I'll just put the rod back in to the rubber seal and that will allow the clutch to be operated again...Wrong!!
Obviously, the yoke or its attachment to the release bearing is not right. The yoke does pivot ok, allowing the rod to move in and out of the 'hole' in the bell housing where the slave cylinder is located.
What should I look for? Understand that it has happened B4 on this car. What can I do to prevent it happening again? Is there an up-grade or mod' that will make the action more robust?
The clutch pedal on my V8S has gone 'solid'. Have looked at the slave cylinder, and the rod between the slave piston to the yoke acting on the release bearing had 'fallen out' of the rubber dust seal on the end of the slave cylinder.
Ah-haa! thought I, I'll just put the rod back in to the rubber seal and that will allow the clutch to be operated again...Wrong!!
Obviously, the yoke or its attachment to the release bearing is not right. The yoke does pivot ok, allowing the rod to move in and out of the 'hole' in the bell housing where the slave cylinder is located.
What should I look for? Understand that it has happened B4 on this car. What can I do to prevent it happening again? Is there an up-grade or mod' that will make the action more robust?
Thanks for replying, Kev,
Don't think there is anything wrong with the hydraulics, the master and slave are shiny/new/about 18 months old.
After I had re-fitted the slave and rod, the action felt smooth until a point in the pedal travel where it just went solid again - -then when I released the pedal, I couln't depress it more than about 5mm/taking up the lost motion on the pedal linkage.
Don't think there is anything wrong with the hydraulics, the master and slave are shiny/new/about 18 months old.
After I had re-fitted the slave and rod, the action felt smooth until a point in the pedal travel where it just went solid again - -then when I released the pedal, I couln't depress it more than about 5mm/taking up the lost motion on the pedal linkage.
Had the same about a year ago on the V8S. Happened after going up the Hardknott pass in Lake District. Obviously the clutch got too hot, causing the internal mechanism (a fork-shaped part; I am not technical) to jam. There was no movement in the clutch at all.
A local garage replaced the clutch and also a plastic bearing was replaced by a copper one that can resist more heat. This local garage picked up these parts and the information from the factory directly. The factory seemed to be surprised that there were still cars running with this old part....
Good luck,
Peter (V8S)
Holland.
>> Edited by pgmvveld on Tuesday 13th April 15:02
A local garage replaced the clutch and also a plastic bearing was replaced by a copper one that can resist more heat. This local garage picked up these parts and the information from the factory directly. The factory seemed to be surprised that there were still cars running with this old part....
Good luck,
Peter (V8S)
Holland.
>> Edited by pgmvveld on Tuesday 13th April 15:02
Peter/Kevin,
Thanks - Just after I bought the car the plastic cap/shroud that fits over the release bearing failed. It is this part that transmits the action of the fork to the release bearing.
So, OK, it looks like I'll have to get the engine out and inspect the clutch mechanism inside the bell housing.
Very helpful you mentioning the thing about the copper part, I'll contact the factory.
Thanks - Just after I bought the car the plastic cap/shroud that fits over the release bearing failed. It is this part that transmits the action of the fork to the release bearing.
So, OK, it looks like I'll have to get the engine out and inspect the clutch mechanism inside the bell housing.
Very helpful you mentioning the thing about the copper part, I'll contact the factory.
Had the same problem on my V8S - see www.pistonheads.com/gassing/topic.asp?t=7123&f=11&h=0&hw=clutch+drama It turned out to be the fork had come adrift from the release bearing mechanism. Engine & gearbox out jobby I'm afraid. Whilst you're at it, have a word with Mike at MagicCastle, theres a minor improvement that can be made to the design of the fork by re-enforcing the back where the rod presses against the indentation on the front side - these can fail apparently and the rod can go straight through the fork. May have happened to yours? 
All,
Just for info and to close out the topic -
My engine is out, the fork slipper pads have twisted out of the release bearing sleeve. 'Phoned David Gerald and as soon as I mentioned clutch and Rover gearbox they said have I still got the plastic release bearing sleeve? I said 'I have'- Right, came the reply, you need the metal version.
This is a TVR produced part, got mine from TVR Power - about £70. Hope to put it back to-gether over the week-end.
Just for info and to close out the topic -
My engine is out, the fork slipper pads have twisted out of the release bearing sleeve. 'Phoned David Gerald and as soon as I mentioned clutch and Rover gearbox they said have I still got the plastic release bearing sleeve? I said 'I have'- Right, came the reply, you need the metal version.
This is a TVR produced part, got mine from TVR Power - about £70. Hope to put it back to-gether over the week-end.
Keith, Podie - I'll definitely look if there is anything glaring. Main backbone lattice is fine. Its only the outriggers that have exposed metal - and I sprayed about 2 litres of Waxoyl last year!!. Guess its time to get it out again.
I have a bit of an aversion thing with Hammerite - allways wonder what's going on under the surface? No- I'm definitely a Waxoyl man .
Thanks again for the support.
I have a bit of an aversion thing with Hammerite - allways wonder what's going on under the surface? No- I'm definitely a Waxoyl man .
Thanks again for the support.
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