Dual mass flywheel?

Plus, say, £80 for the clutch kit. Weigh it in and make a profit then!!

There are often replacement flywheels available that are not dual mass. May be a cheaper option for you.

www.prospectautospares.co.uk/dual-mass-to-solid-flywheel-conversion-kits_623_1.htm

Yeah, Freelander TD4 dual mass is £1000.... (from Land Rover), we get loads of Discoverys with the flywheel hanging apart but I guess they have a lot to deal with. Not had any horrors with one piece flywheel conversions though.

Shop around and see how much you can save but TBH you'd be wise to replace while its all apart.

What car is it?

on something small I would just check that there isnt much axial play I.e rock it at 12 and 6 oclock you shouldnt feel much movement .

you can move the flywheel up to 50mm and be perfectly servicable ,its the bigger diesels that can bite you if you don't change the d/m with the clutch .

ive done lots of little petrol clutches without changing the d/m with no issues so you should be fine

On a car of that value I'd just bust the glaze on pressure plate and flywheel surfaces (assuming they are not obviously hanging) and change the friction plate. Might not last the full 100k of a proper job, but then you aren't expecting it to.

Reason for the DMF is that modern turbo diesels generate very high cylinder pressures which give pronounced torque spikes. These can either be smoothed out using a very heavy flywheel (which makes the car unpleasant to drive) or a much lighter dual mass system with damping.
Recently they have tended to start using DMFs of petrol engined cars as well - not quite so clear on the reasons for that! (Maybe it lets them go cheap on gearboxes!)

Using a lighter solid flywheel might allow sufficient torque spikes through to damage the gearbox..... perhaps.

£330 sounds quite reasonable - the one in my A6 is £1200+VAT plus the clutch itself...... b*gg*r!!

Nick

In the Mondeo TDCI world at least some people have reported failures as I think some VAG chaps have on their Boras and Golfs, due to the spikes you speak of.

I too am bemused at why Petrols have them. 1st Mondeo 2.0 did 400k on its original flywheel, second one with a (the 3.0) has just gone over 215k with its first clutch replaced about 8,000 miles ago. That was also deemed fit for service. I can only put it down to cost (buying so many of them in the first place (how many petrol family cars do you see these days?), or to possibly counteract poor gearchanges (I know some people's gearchanges seem better damped in modern cars compared to the older stuff (read putting the car into gear and literally dumping the clutch...). The last one is a far fetched theory I admit.

I agree with Nick on the cost, £330 is not too awful. If I had to change it on the V6 I would have paid around £500 from the dealer. That's before I even get to how much the clutch and slave cylinder cost (£180 for a genuine clutch ; The LUK centre plate split itself into two within 300 yards of the car being put back together, which was not fun when it came to taking all of the car apart again...). I doubt that's worth more than £1000 either .

Petrol BMW's have had it since the mid 90's. Its for people who can't control a clutch pedal effectively and eradicates the need to think about clutching - so you can just dump the clutch without feathering it in on gear changes.

It's an absolute crock.

As one of the posters above said - check the DM that's on there now, if it was gone you'd have a hell of a racket coming from the gearbox, hopefully it's just good ol' clutch slip.