craig1410
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| posted on 8/9/11 at 12:09 AM |
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For SMAX 2.5 Petrol Turbo Dual Mass Flywheel?
Hi,
A friend of mine owns a 2006 ('56) Ford SMAX Titanium with the ex-volvo 2.5 litre turbo engine (as per Focus ST). He says the clutch has started
slipping quite badly and he's been quoted in excess of £600 to replace the clutch. He was also warned that the dual mass flywheel may also be
faulty and may need to be replaced at the same time at an *additional* cost of £500.
I thought that only diesel cars had DMFs and his is petrol. Anyone know if the 2.5 turbo petrol engine has a DMF and if so, are they prone to failure?
I thought the whole point of DMFs was to smooth the delivery of torque from the diesel engine as it is quite a spiky torque delivery due to the high
compression pressures etc. I didn't realise that petrol cars also ran them, especially a 5 cylinder petrol engine which I would have thought
would have been quite smooth.
Anyway, has anyone got any advice to share on the above? Any chance of Ford paying part of the cost for example? I don't expect that will happen
on a 5 year old car but just thought I'd ask... 
Thanks,
Craig.
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matt_claydon
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| posted on 8/9/11 at 12:24 AM |
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My Volvo T5 engine had a DMF (which was knackered, all the springs broken), I replaced with a solid one from some tuning company but I can't
remember for the life of me who they were. That was around £300 though I think as it was a made-to-order part.
Edit: They were called TVV racing, but don't seem to exist anymore. VolvoRSport on this forum knows Volvos inside out so might be able to help
with cheaper parts or alternative options.
[Edited on 8/9/11 by matt_claydon]
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snapper
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| posted on 8/9/11 at 06:38 AM |
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The DMF's are a pain, even if it is ok now by 70,000 miles it will start to shred shoving tons of dust into the starter motor.
If a clutch is being replaced you should change DMF and hydraulic clutch release at the same time ( bearing is integral)
I have found a place that will do my one on a Modeo Desiel for £750.
There is a rumour that replacing the DMF with a standard flywheel can cause the crank to snap on a Desiel
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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beaver34
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| posted on 8/9/11 at 07:02 AM |
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If he wants I can suply him genuine parts and a good price, will save some over the garage charging him retail, drop me a u2u if he is interested
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adithorp
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| posted on 8/9/11 at 08:55 AM |
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quote:
Originally posted by snapper
There is a rumour that replacing the DMF with a standard flywheel can cause the crank to snap on a Desiel
Not a roumour. I've seen one. Snaped the end of the crank on a taxi at another garage. If you remove the DMF and fit a solid one, then
apparently you should fit a damper pulley.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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craig1410
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| posted on 8/9/11 at 09:58 AM |
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Thanks for all the replies. Beaver I'll U2U you in a sec.
I just came across this on the web - it's for a Focus ST but I think the engine is the same isn't it?
http://www.aetturbosonline.co.uk/index.php?option=com_virtuemart&page=shop.product_details&flypage=flypage.tpl&product_id=500197&Itemi
d=2
Thoughts? Would the sprung clutch plate in this kit help to avoid any issues with cranks snapping? Or was the snapping crank thing only a diesel
issue? Again, I would have thought that the smoother petrol engine would be less likely to have this issue than the diesel with the quite different
torque delivery (through the combustion cycle I mean) characteristics.
Cheers,
Craig.
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