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Latest Fiesta diesels have standard flywheels(non-DMF).
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HJ - Is there a view in the industry that all DMFs fail eventually ?
Reason I ask is that I have now run three Mondeo 2.0 TDCi Mk3s to very high high mileages without a hitch. My latest one is already on 150k miles with no issues and as I have mentioned before my friend's one had 228k at the last count without issues.
Is it just luck of the draw ? These cars are not mollycoddled. They work hard for a living, usually fully laden and out in all weathers. My friend is actually rubbish at keeping his maintained as well. It's lucky if it sees a garage every 40k miles.
There must be more to this than meets the eye surely ?
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Depends how they are driven.
Hard upward gearchanges that they help to absorb is what does them in.
Especially 1st to 2nd.
In the new Fiesta diesels they have used electronics to damp the upward changes, so no need for a DMF to protect the transmission.
HJ
Edited by Honestjohn on 19/10/2008 at 19:25
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Mmm, interesting. Right enough, I don't tend to thrash the box / clutch. I wonder, to expand a bit on your theory, whether on modern turbo diesels, if the effect of the turbo kicking in with the attendant sudden rise in torque combined with an upshift to second.........
If it happens to be your driving style to accelerate hardish through the gears...
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Thanks HJ - I did some googling of "dual mass flywheel" last night and it was interesting how much negative info came up on them. I ended up reading quite a few of your articles in the DT this year.
The only diesel I was considering was perhaps a CRV but I think I will strike that off my wishlist now as I imagine repairs on them would be punitive.
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My Mondeo TDCi had a new clutch (and therefore DMF, probably) before 50,000 miles. And I know why...
... at 20-30k (cannot remember off hand but asked for advice on here) I had to stop on a very very steep hill in the lake district and get moving again. Clutch slipped when in first and smelt bad. Eventually got going. Some 20-25k later the clutch was slipping a bit and replaced.
Because the Mondeo needs the front suspension dropping (or something like that) to replace the clutch, the DMF is usually replaced at the same time. Because I don't pay the bills I don't know the full details of what was done. All I know is all the faults over 4 years meant to lease company made no money on my car at all! In fact I think they made a loss, especially as the doors were rusting.
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the DMF is usually replaced at the same time.
There's absolutely no way it would have been replaced (unless necessary) if a lease company was paying the bill.
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I will never have seen the bills or anything so maybe it wasn't.
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