Hymer B644 Fiat Ducato Gearbox lost 5th gear

Discussion in 'Tech/Mech General' started by reynardracer, May 30, 2016.

  1. reynardracer

    reynardracer Funster

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    Whilst travelling home from Silverstone last evening I lost 5th gear. By that I mean all other gears worked fine but when I tried to select 5th all I got was graunching! Obviously something has happened to the selector mechanism. Has anyone else suffered this issue. My Hymer is a 2000 model and has the Fiat 2.8 TD engine I think as I cannot find where the engine identification is.

    Any recommendations for someone to fix this for me. I live in Twyford near reading.

    Many thanks

    Peter
     
  2. gus-lopez

    gus-lopez Funster

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  3. DiggerJon

    DiggerJon Funster

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    Oh dear, but welcome to the Fiat "hunt the gears" club. I lost all but third and fourth in the middle of Belgium. It made getting home "interesting"! I'd love to be able help you, but you do have my sympathies.
     
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  4. teensvan99

    teensvan99

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    New 5th gear set about £ 160 and about the same to fit.
     
  5. reynardracer

    reynardracer Funster

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    Thanks for the reply. Any idea where to buy the parts. I am being told they are becoming hard to find.
     
  6. gus-lopez

    gus-lopez Funster

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  7. Irishrover

    Irishrover Read Only Funster

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  8. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    Whatever you do if this happens do not continue driving the vehicle, pull over as soon as safely possible and call your recovery service. I have an older Talbot Express in at the moment which dropped fifth going over the Milau viaduct last August, they didn't stop but continues on in fourth gear. Couple of miles later the box shat itself completely leaving them requiring uplift repatriation to home. With a second hand gearbox getting more difficult to locate and a new clutch and engine mountings there won't be change out of £850 for this job.

    D.
     
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  9. Lee27

    Lee27

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    Hi Peter
    My advice, from experience of losing 5th in our B644 last year, would be to remove the fifth gear cover in order to access that is damaged (after draining the oil). once the cover is removed you have access to all the relevant items; gears, synchro and selector fork.

    once you know what's broken, go to the website below, put your VIN number in the text box provided and press the "Enter" key, this will display info about your vehicle, then press the Next button. from here navigate the menu system to determine the exact part number of what you require.

    http://eper.fiatforum.com/eper/navi...INDOW_ID=1&KEY=HOME&EPER_CAT=SP&MAKE=F&SBMK=T

    Mine had stripped all the dog teeth of the gear, armed with the part number i got a replacement through my local garage, they actually ordered it through a ford dealer, strangely, price was about £180.

    all the missing teeth from mine had gone behind a metal plate on the inside of the fifth gear cover, after removing them i used oil to repeatedly flush the box through, sieving each time, to get rid of any fragments. when finished fill with 2.7 litres of new oil.

    hope this helps
    Lee
     
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  10. scotjimland

    scotjimland Funster Life Member

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    Indeed a worry for me.. but they say prevention is better than cure..

    so what advice to prevent this happening.. ?

    Apart from checking oil level, changing down and not straining 5th , letting the box warm up before using 5th..

    or is that all futile and failure is inevitable ?

    is it worth having it replaced before it fails ?
     
    Last edited: Jun 2, 2016
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  11. The Wino

    The Wino Funster

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    I think this should have been in the "does the base vehicle make matter" thread!!
     
  12. gus-lopez

    gus-lopez Funster

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    & if you have an early vehicle with the dipstick, & marked with the lower level, then the actual oil level needs to be 20mm higher on the dipstick. & then mark it as so.
     
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  13. scotjimland

    scotjimland Funster Life Member

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    2001 2.8 JTD .. if I have a dipstick .. where would I find it.. ? (no funny replies :LOL:)
     
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  14. Irishrover

    Irishrover Read Only Funster

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    My 1999 2.8 IDTD has no dipstick, pretty sure yours wont either... @scotjimland
     
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  15. DP_JAY

    DP_JAY Funster Life Member

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    I have set of fifth gears if you know the part no's or numbers of teeth you need
     
  16. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    Jim you don't have a gearbox dipstick, they were only on the MK1 (Talbot Express shape) Ducatos. I'd say leave it be. By no means do all Ducatos have a problem with fifth gear. A change of gearbox oil could be worthwhile though but no gaurantees against a failure.

    D.
     
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  17. scotjimland

    scotjimland Funster Life Member

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    Thanks Dave ..
     
  18. Dave and Ginny

    Dave and Ginny Funster

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    Something that I worry about also on my 2002 2.8 JTD. As to whether it's possible to avoid what seems to be the inevitable I don't know; tend to drive as carefully as possible avoiding low speeds in 5th, don't labour it, changing down on long uphill motorway inclines. Not sure if it's helping or just a futile attempt!
     
  19. reynardracer

    reynardracer Funster

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  20. reynardracer

    reynardracer Funster

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    I spoke to the supplier above
     
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