User Tag List

Thanks Thanks:  0
Likes Likes:  0

View Poll Results: Has you DMF failed with or without waiting for glow plug light to extinguish.

Voters
45. You may not vote on this poll
  • DMF failure, crank like a petrol

    2 4.44%
  • DMF failure crank after glow plug light goes out

    20 44.44%
  • No DMF failure crank like a petrol

    2 4.44%
  • No DMF failure crank after glow plug light goes out.

    21 46.67%
Multiple Choice Poll.
Page 1 of 5 123 ... LastLast
Results 1 to 10 of 50

Thread: Has your DMF failed, pls read......

  1. #1
    Regular Member rushy's Avatar
    Join Date
    Jul 2005
    Location
    Old School Vectra-C.Com. Residing in sunny Leeds.
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

    Default Has your DMF failed, pls read......

    A member PM'd me the other night about his clutch on his 2.2. The DMF topic came up and it got me thinking........

    From my understanding the DMF is a small solid flywheel, with another larger ring around its outside. The 2 parts are joined together with springs, the idea being to smooth the general behaviour of the engine and to try to eliminate and shock when disengaging the clutch.

    Now I know the CDTi's out number the 4 pot petrol's massively, but still you never seam to see petrol DMF failure's, why?

    The starter motor turns the flywheel from the edge, and the CDTi's take more to crank over so more force is being put on the springs in the DMF (this is a question not a statement by the way, please correct me if i'm wrong)?

    So a question really to the CDTi owners, do you start the car after the glow plug light has gone out or do you just get in and crank like a petrol? Is the DMF more likely to fail if you crank like a petrol than if you wait?

    So a little pole.........

  2. #2
    Regular Member VXR_DV's Avatar
    Join Date
    Nov 2006
    Location
    South Coast
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Starting the engine with the clutch fully depressed makes DMF issues crawl away and visit those owners who start with the clutch up.
    Also avoiding fast full-bore 1st-2nd upshifts can help.
    Last edited by VXR_DV; 28th June 2010 at 23:05.

  3. #3
    Regular Member Dan_BlackSRi's Avatar
    Join Date
    Aug 2008
    Location
    Lancashire
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : Vectra SRi

    Trim : XP1

    Engine : 1.9 CDTi 150

    Year : 2007

    Mileage : 66000

    Default

    I bought my CDTi with a failing DMF, had it replaced last year.

    I always wait for the plug light (and have clutch pressed) to go out before starting with the new DMF, (touchwood) its been spot on - time will tell I suppose.

    Just to add something else, if what you say is right, then other issues that cause starting problems could cause premature DMF failure - i.e. EGR valves.

  4. #4
    Regular Member barney490's Avatar
    Join Date
    Dec 2009
    Location
    PRESTON
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    why is the second and fourth option the same?? or am i missing something???

  5. #5
    Regular Member Hideous's Avatar
    Join Date
    Mar 2007
    Location
    GB
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : Insignia

    Trim : SRi Nav

    Engine : CDTI158

    Year : 2012

    Default

    i suppose torque output might play a part. i suspect the majority of diesel dmf failures are on boxed and remapped cars - 330 lb.ft is a fair whack.

  6. #6
    Regular Member rushy's Avatar
    Join Date
    Jul 2005
    Location
    Old School Vectra-C.Com. Residing in sunny Leeds.
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

    Default

    Quote Originally Posted by Dan_BlackSRi View Post
    i.e. EGR valves.
    Don't bring me into that, i'm not all doom and gloom on the EGR front, mine's blanked and has been for years....

  7. #7
    Regular Member rushy's Avatar
    Join Date
    Jul 2005
    Location
    Old School Vectra-C.Com. Residing in sunny Leeds.
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

    Default

    Quote Originally Posted by barney490 View Post
    why is the second and fourth option the same?? or am i missing something???
    Cos i'm a Deacon, Admin!!!!!

  8. #8
    Regular Member barney490's Avatar
    Join Date
    Dec 2009
    Location
    PRESTON
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    ahhhh, so option four is,,,no DMF failure crank after glow plug light goes out.

    just a thought,,,,,good plausable theory and be interesting to see the results,, but do petrols have dmf?? im sure the 1.8's dont, anybody know for sure???

  9. #9
    Regular Member rushy's Avatar
    Join Date
    Jul 2005
    Location
    Old School Vectra-C.Com. Residing in sunny Leeds.
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

    Default

    I think none VVT 1.8's dont. Mine has though.

  10. #10
    Regular Member kenp's Avatar
    Join Date
    Feb 2008
    Location
    Kr. Hyllinge, Denmark
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : Vectra C


    Engine : 2.2 Direct

    Year : 2004

    Default

    option 4 is changed.

Page 1 of 5 123 ... LastLast

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Failed the MOT :(
    By Coppen in forum Vectra C / Signum Car Chat
    Replies: 5
    Last Post: 4th May 2012, 18:39
  2. Failed MOT
    By ScotsDragon in forum Vectra C / Signum Car Chat
    Replies: 26
    Last Post: 23rd June 2011, 22:39
  3. Failed MOT on...
    By TomiboyC in forum Vectra C / Signum Car Chat
    Replies: 11
    Last Post: 5th February 2011, 20:58
  4. Failed MOT
    By BigWilko in forum Suspension, Wheels & Brakes
    Replies: 15
    Last Post: 6th January 2011, 21:21

Visitors found this page by searching for:

insignia crankshaft causeing dmf failure

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •