Transmission / clutch advice

2756 Views 8 Replies 3 Participants Last post by mike1967, Sep 3, 2019

Seblis

Discussion Starter · Aug 24, 2019

My niece has an 05 plate mini one which has developed a fault with the transmission/ clutch. Its as if the clutch is permanently disengaged. You can select the gears without the clutch pressed and there is no drive at all to the wheels. Local garage has said it needs a new clutch master and slave cylinder and quoted 900 quid which i think is crazy. Ive had a look at both and neither cylinder is leaking obviously.
Anyone come across this before? I would have thought if these cylinders failed then the clutch wouldnt be disengaged or am i missing something ?
Thanks in advance

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mike1967

· #2 · Aug 24, 2019

maybe selector fork broken in gear box,

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Seblis

Discussion Starter · #3 · Aug 24, 2019

Thanks. Is that a case of replacing with a recon box or can the selector fork be replaced itself by a home mechanic ?

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mike1967

· #4 · Aug 24, 2019

below link give idea of what and where it is on top of gearbox yep diy fairly easy

R50 Mini One Cooper 5 Speed Getrag Gearbox Gear Linkage Mechanism | eBay

Year: 2004 - 2006 - Facelift Model fitted with a Getrag 5 speed gearbox. Make and Model: Mini One / Cooper. Speedy-Spares are an independent breakers yard who have been involved in the motor trade since 1960.

www.ebay.co.uk

or if the pin gone below repair kit,

FOR MINI COOPER R50 R52 GEAR LEVER SELECTOR REPAIR KIT PIN GETRAG GEARBOX STIFF | eBay

Find many great new & used options and get the best deals for FOR MINI COOPER R50 R52 GEAR LEVER SELECTOR REPAIR KIT PIN GETRAG GEARBOX STIFF at the best online prices at eBay! Free delivery for many products.

www.ebay.co.uk

not saying it s this just that if a garage has looked at it and is saying its something then normally it is what they tell you, that said all old cars are a can of worms never really know what you have until open them up, and any good tech might give you a number of outcomes based on other jobs etc, also based on stripping it and seeing what you really have, seen so may people do the you said it would be this or that when most gives a number of outcomes based on what is found, as no one has a crystal ball or can see in to the future etc,
if no one has looked at it its all guess work and thats the mother of all f ups

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Seblis

Discussion Starter · #5 · Aug 24, 2019

Thanks for your help. It sounds more likely to be something like that. The local garage said it was a hydraulic issue but as nothing appears to be leaking and it wont put drive into any gear at all seems strange. Will let you know the result

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Seblis

Discussion Starter · #6 · Sep 1, 2019

Well think the problem has been found. Removed the transmission and found parts of the clutch plate fibre in the gearbox. Then after removing the clutch pressure plate found that the side in contact with the pressure plate had no material left at all. Fully down to the metal !
Another question though please. Luckily its not a dual mass flywheel but it does have some " blue " marks and tiny cracks. Think this is something that could be machined or will be ok ? Thanks again

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Seblis

Discussion Starter · #7 · Sep 1, 2019

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garybee

· #8 · Sep 2, 2019

That flywheel is only fit for the bin I'm afraid. Flywheels have too much energy to be fitting anything with cracks in.

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mike1967

· #9 · Sep 3, 2019

flywheel has cracked from excessive heat on the surface from clutch slip or being slipped so the surface gets very hot then goes cold before the inner metal does this causes cracks. joys of a solid flywheel nothing there to deal with the point of bite as a dmf will.

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