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Old 01-11-16, 10:03 PM   #1
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Default Is my DMF on the way out?

Hi folks,
Bit of an issue brewing with my 407SWÖ.and think it might be the flywheel on the way out.
I get a light banging from the back of the engine area, noticeable when idling, and goes when I press clutch down. When switching off the engine from neutral clutch not pressed, engine stops with quite a clunk.
While driving, I get a bit of vibration from the clutch pedal when pressing, and occasionally the clutch pedal doesnít fully return to when I lift off. I have also now noticed the whole car start to vibrate (in any gear) when I accelerate from 1500revs. Car also seems to shudder a bit when at idle (just over 800 revs).
There is no clutch slipping when pulling away and gear change is fine.
I suspect this is DMF on the way out, but wondering if these symptoms point to anything else additional? Does this sound like a dying DMF? How long could I run it for before it completely fails? If it does fail, will it cause terminal damage to engine/gearbox?
I just had a £1200+ quote from a local independent Pug specialist for replacement DMF - almost as much as the car is worth. Thatís quite a lot!! Is that reasonable for a DMF (if thatís what it is) replacement? Car is in very good nick, 2006, just shy of 100k and has a yearís MOT, so not a write off.
If anyone can recommend someone in the Guildford area who could diagnose and fix, then Iím all ears!

Many thanks all
A.
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Old 01-11-16, 11:40 PM   #2
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You should check the rear gearbox/engine bush first as it sounds a more likely source of the symptoms you described.
Cheaper to fix too.
A good check is to accelerate then lift off the throttle quickly.
If you get a thud from the engine then it's the rear bush.
It should repeat as you lift off and press on the throttle.

Last edited by ashdav; 02-11-16 at 12:10 AM.
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Old 02-11-16, 06:19 AM   #3
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Sorry to be the bearer of bad news but the symptoms you described are the same as I had and it was the dmf, the noise and pedal not returning.
That quote you had does seem abit steep,from memory I think I paid less than half that, go to GSF car parts put your reg in and see the prices for the parts then add on a days labour should give you a rough ideaof total cost.p.s if you sign up to gsf they send you midweek and weekend discount codes with up to 46% off everything .

Last edited by sfnett; 02-11-16 at 06:31 AM. Reason: wrong info
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Old 02-11-16, 05:05 PM   #4
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If it's a long established Peugeot specialist,£1200 is about right for the Guildford area.PROVIDED,it includes a top quality O/E DMF,a clutch kit,gearbox oil etc,labour AND VAT. In other words that`s it,all done.
Its lots of work,subframe off,exhaust system,various other parts just to get to the gear box.
By the way DO NOT be tempted to fit a solid kit,or any other cheep parts.
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Old 02-11-16, 08:53 PM   #5
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Definitely check engine and gearbox mounts.

My DMF created an aperiodic rattle at idle in neutral, and there was a noticeable bang when letting the clutch out taking up the slack.

Had it done at an independent for £750 including a LUK kit.
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Old 02-11-16, 10:02 PM   #6
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Fitted a solid kit to my 307SW and had no problems in the next 70k miles. The two DMFs the car previously had lasted an average of 50k miles.
Cost was about £280 for the complete kit and 400 for fitting.
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Old 11-11-16, 05:31 AM   #7
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If anyone is interested , as I mentioned in earlier post I just had a mail from GSF if you use code WKEND47 they will give you 47% off all car parts this weekend.
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Old 11-11-16, 06:28 AM   #8
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When wondering whether a quote for a job is worth it the only thing I consider is what would it cost to buy a replacement car with comparable age, spec & mileage. If the replacement is similar or more than the cost of the job It's worth getting the job done as you know the history of the car you already have but have no idea if the replacement will end up being a money pit.

If the car you have has been a good reliable car then it's worth keeping.
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