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Thread: uprated dmf

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    Regular Member dean_walsh2001's Avatar
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    Default uprated dmf

    ive got an 08 plate 1.9d. 120bhp standard 8v.

    Ive had it re-mapped and a few other bits and pieces. Its now 180bhp with 300ft lb torque.
    Its on 26k miles and ive had 3 dmf's on it, its chewing through them like water. Does anyone know of an uprated dmf or a solid flywheel conversion kit?

    Im quite desperate as my warranty is out soon and cant afford to pay for it myself lol!

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

    Default

    Why is warranty out soon? Should be 3 years / 60,000 miles.

    In truth I'd be surprised if the DMF is now covered since your remap. I am questioning the 180 BHP though, has that been verified? Seems like a huge gain from standard.

    A solid flywheel and uprated clutch seems the obvious way to go, if they are available. If not, then you could get a custom one made?

    PS, what gearbox have you got? You might be exceeding max input torque too, if 300 lb ft (406 Nm) is realistic.

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    Regular Member dean_walsh2001's Avatar
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    Quote Originally Posted by Ste View Post
    Why is warranty out soon? Should be 3 years / 60,000 miles.

    In truth I'd be surprised if the DMF is now covered since your remap. I am questioning the 180 BHP though, has that been verified? Seems like a huge gain from standard.

    A solid flywheel and uprated clutch seems the obvious way to go, if they are available. If not, then you could get a custom one made?

    PS, what gearbox have you got? You might be exceeding max input torque too, if 300 lb ft (406 Nm) is realistic.
    not sure what box is on there mate f40 maybe
    click on this mate http://www.vectra-c.com/forum/showthread.php?t=94210

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    you've got to ask the question why is it chewing up dmf's? driving style or the uprated engine, or something else, there seems to be something wrong somewhere. 8000miles or so per flywheel is ridiculous

  5. #5
    Regular Member dean_walsh2001's Avatar
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    my wife drives the car in the day and she drives tidy as she has got the baby in the car i only drive it on the weekends

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    On investigating why these items do fail I examined the flywheel that i took off my car and came to the conclusion that there is a plastic ring which forms part of the assembly which gives way and is the onset of dmf failure. i also felt that holding the clutch pedal down and using the clutch often in traffic would contribute to early dmf failure. Since changing mine I avoid unnecessary gearchanges and clutch operation and even slip it out of gear without using the clutch when approaching junctions which can be done easily and has not detriment to gearbox, just get the revs right and slip it out of gear

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    Regular Member clightowler's Avatar
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    Vehicle : Vectra

    Trim : SRI hatch

    Engine : z19dth

    Year : 2006

    Mileage : 110000

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    Quote Originally Posted by bygumlad View Post
    you've got to ask the question why is it chewing up dmf's? driving style or the uprated engine, or something else, there seems to be something wrong somewhere. 8000miles or so per flywheel is ridiculous
    I found a weblink from LUK who developed the DMF and it says on there that they are rated to specific loading for the engine so boosting the BHP or Torque will chew them up.

    See this link for details:

    http://www.schaeffler.com/remotemedi..._ZMS_de_en.pdf

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    Regular Member Maverick's Avatar
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    Quote Originally Posted by dean_walsh2001 View Post
    not sure what box is on there mate f40 maybe
    click on this mate http://www.vectra-c.com/forum/showthread.php?t=94210
    There is a high possibility you have the M32, quite a few late 120 diesels had the M32 instead of the F40.

    That torque drop in your RR graph will affect your DMF as instead of having a linear torque curve, your putting alot of torque through the DMF, then it drops and then picks up again. It will cause extra stress on the DMF.

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    i see from YOur pics that your car is a 57 PLATE and not a 08 plate as you stated.

  10. #10
    Full Member Big Sig's Avatar
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    Quote Originally Posted by vec3.2 View Post
    i see from YOur pics that your car is a 57 PLATE and not a 08 plate as you stated.
    Could it not be a 2008 on a 57 plate?
    Now I need a turbo to keep up!

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