Ridgetone Triumph Posted March 16, 2017 Share Posted March 16, 2017 Why do they stick when you don't use the car for more than 3 weeks?Since I fitted a new Clutch and pressure plate the clutch freezes onto the flywheel, any thing over 3 weeks and it is stuck. Over the Christmas period 3 months and it took 2mls of ruthless clutch and crash changes before the clutch let go. It doesn't make any difference whether the car is inside dry or on the drive, after 3 weeks it sticks, though 3 weeks it frees up with a few reverse gear cranks on the key attempts, anything longer and it is a real pain Quote Link to comment Share on other sites More sharing options...
Nick Jones Posted March 16, 2017 Share Posted March 16, 2017 You de-greased it too well and your rear crank seal isn't leaking enough Seriously, I don't know. Some are serial offenders and others just never do it even if you leave them years.Nick Quote Link to comment Share on other sites More sharing options...
ferny Posted March 17, 2017 Share Posted March 17, 2017 Moisture normally plays its part. Quote Link to comment Share on other sites More sharing options...
dazzer Posted March 17, 2017 Share Posted March 17, 2017 We could start a survey, perhaps it's the brand of clutch? Maybe there's iron particles in the driven plate lining? I use to encounter this frequently back in the day when we use to collect cars that had been stood for months on end but not weeks. No idea why otherwise. Hope you get it sorted. Quote Link to comment Share on other sites More sharing options...
Clive Posted March 17, 2017 Share Posted March 17, 2017 My experience is the same as Nicks.So, same type of cars, kept in same conditions. The only variable can be the clutch itself. Trouble is you don't know what clutch is in there (or indeed how old) Never had trouble with a modern car. The Toledo has a NoS Borg and Beck (asbestos type) I fitted, and when left for 6 months no issues.And that info doesn't really help.... Quote Link to comment Share on other sites More sharing options...
andy thompson Posted March 17, 2017 Share Posted March 17, 2017 I never have an issue in Oz and thats after leaving cars in quite a condensation prone shed over winter often for months Quote Link to comment Share on other sites More sharing options...
RobPearce Posted March 17, 2017 Share Posted March 17, 2017 I've never had a problem after weeks but my old 1500 Dolly clutch stuck pretty well after a few months. I think the Stag stuck once, too. The GT6 got left for three years in mum's not-especially-dry garage and the clutch still worked fine. Quote Link to comment Share on other sites More sharing options...
Ridgetone Triumph Posted March 17, 2017 Author Share Posted March 17, 2017 This is the first time I have had it happen to a big saloon, though only since the new clutch. It just seems to happen to some cars and not others 🤔 Oh well.......I remember buying a 1967 MK1 that sat in the grass for over 2 years in NZ, that clutch was stuck and in the end I had to remove the gearbox and pressure plate so I could use a bolster chisel and hammer to separate the clutch from the flywheel 😀I now am remembering that the race car once had a stuck clutch after sitting for months, though this unstuck after a few minutes warming up the car.It has to be down to the type of material used in the plate linings??I did degrease the plate and the flywheel which was a lightened TR6 one, which I de-greased and sanded with emery cloth, now there's a thought if the emery cloth was too course maybe it has left grip groves on the surface of the flywheel, creating the suction effect (think) Quote Link to comment Share on other sites More sharing options...
Hogie Posted March 17, 2017 Share Posted March 17, 2017 Hi Folks, from post #1 - why do they stick.Somebody mentioned moisture. Moisture gets everywhere. The very very small gap between the clutch plate and the flywheel will hold enough moisture to cause the flywheel to rust.You may not be able to even see the rust but it is there.This rust binds with the coarse matrix of the clutch plate- The result is. it is stuck.It may be possible to press the clutch pedal down and keep it there whilst in store. It will not stop the rust but will stop the binding.Roger Quote Link to comment Share on other sites More sharing options...
Ridgetone Triumph Posted March 17, 2017 Author Share Posted March 17, 2017 Interesting that you should say that Roger. A friend of mine who had a huge collection of car had blocks of wood placed firmly on the clutch pedals hold there from the drivers seat, plus most of the cars were on blocks.I have thought of doing this to the Estate as it will be unused for the next 3 months while we are in NZ. Is this advisable or could it cause seal failure inside the master and slave cylinders? Quote Link to comment Share on other sites More sharing options...
npanne Posted March 17, 2017 Share Posted March 17, 2017 I would have thought that keeping the system pressurised for a prolonged period would put a huge strain on the seals. I stand to be corrected though. Quote Link to comment Share on other sites More sharing options...
Hogie Posted March 18, 2017 Share Posted March 18, 2017 If you consider how much the seals deflect when under pressure I would have thought there was no problem.The seals move virtually nowhere as they are already in close contact.They probably deflect more upon returning to their 'off' position.Roger Quote Link to comment Share on other sites More sharing options...
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