KM Posted September 9, 2018 Share Posted September 9, 2018 The background: Have just had the engine reconditioned so replaced the clutch plate at the same time. The new clutch plate was only minimally thicker than the old one but since the engine was out..... Torqued the clutch up as per the manual. The clutch plate had writing on it to say which side faced the flywheel. Got it all together and started the engine but the starter motor was permanently engaged so removed the starter motor and bump started without much difficulty. The next time it came to start it however it would not bump start, with the clutch pedal out (not depressed) the clutch was slipping - wheels going round but not turning the engine. We thought new engine so maybe it was very stiff. Made spacers for the starter motor and started the car. When driving the clutch is slipping badly - almost couldn't get back up slope of driveway. Does anyone have any ideas? The only other comment I would make is the clutch pedal seemed stiffer than previous and when driving the biting point was at the very top of the clutch travel. No problems changing gear. (The closer we get to RBRR the more the problems seem to appear!!) Quote Link to comment Share on other sites More sharing options...
glang Posted September 10, 2018 Share Posted September 10, 2018 Hi, when you say writing on the clutch plate do you mean stamped into the metal? Quote Link to comment Share on other sites More sharing options...
KM Posted September 10, 2018 Author Share Posted September 10, 2018 Painted on metal part of clutch plate. See pic. Quote Link to comment Share on other sites More sharing options...
KM Posted September 10, 2018 Author Share Posted September 10, 2018 Could this be a hydraulic issue with the clutch pedal being harder than before and only biting at the very top? Maybe grabbing at straws here to avoid engine removal. Quote Link to comment Share on other sites More sharing options...
RobPearce Posted September 10, 2018 Share Posted September 10, 2018 I'm with Kevin - this sounds like a hydraulic issue. The first time you pressed the clutch it worked fine... but it didn't release all the pressure. Now you've used it a few times that residual pressure has built to the point where it behaves like the pedal's permanently down. If you can get at the slave cylinder easily, open the bleed nipple and see if it squirts fluid out. Quote Link to comment Share on other sites More sharing options...
KM Posted September 10, 2018 Author Share Posted September 10, 2018 Thanks Rob, will have a go later and report back. Quote Link to comment Share on other sites More sharing options...
glang Posted September 10, 2018 Share Posted September 10, 2018 Quoted from KM- Painted on metal part of clutch plate. See pic. That all looks ok although I take it the new plate wasnt identical to the old one so although correctly installed there could be a problem between it and the old pressure plate.... Another possibility is that the slave cylinder operating rod has slipped out of the centre of the piston so effectively making it longer and not allowing the clutch to return to zero. It should be loose enough to rotate easily by hand. Quote Link to comment Share on other sites More sharing options...
sparky_spit Posted September 10, 2018 Share Posted September 10, 2018 And while you are doing all that you can also check that the slave cylinder piston is returning back to its start position, and is not stuck up in the bore. Quote Link to comment Share on other sites More sharing options...
KM Posted September 10, 2018 Author Share Posted September 10, 2018 Thanks for all the advice. Cracked the bleed nipple on the slave cylinder and a good amount of liquid came out, probably not a teaspoon but much more than a drip. Took the slave cylinder out of its housing and tried to push the plunger in. Not sure whether it moved or not. Put it all back together and it worked fine. Test driven. Very relieved the engine does not have to come out again. Service kit for master and slave has been purchased and will be fitted very soon. Quote Link to comment Share on other sites More sharing options...
glang Posted September 10, 2018 Share Posted September 10, 2018 Good news. I hope the service kits work out as Ive not always had 100% success with them and would now probably buy new units, depending on prices of course.... Quote Link to comment Share on other sites More sharing options...
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