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Thread: Life of Puma Rear Diff's

  1. 20th February 2012, 07:48 PM #1
    FLINTSTONE Guest

    Question Life of Puma Rear Diff's

    Hi all,

    Sheldons done 74000 K's. (09 Puma)

    Well Saturday avro while out with the boys from LROC Syd, Sheldon's diff starting talking to me, 'yelling actually'.

    Today dropped it by the boys at L/R Trivett Parramatta to have a squiz and yep the diff's cactus. The pinion and crown gear have been having a blew.
    A couple of pins in the diff also loose picked up by a little clunking noise as you take off from standing start and pulling up. (Might have to check Geoff the Disco).

    I couldn't really tell there was a problem with the clutch as I'm still comparing with my previous L/R's.

    So under warranty Trivetts are changing diff, clutch and shimming the T'case????

    This was the first time I'd popped into Trivetts, (after moving from FNQ ) and I'm very happy with my initial dealings. They were upset they couldn't do it straight away. I'm happy it's getting done.

    Should I expect more than 74000K's?????????

    What do others get out of their diffs or should I assume it's an isolated incident / event?


    Still Love the Puma

    Qld'er.
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  2. 20th February 2012, 08:02 PM #2
    PAT303
    PAT303 is offline OldBushie
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    They aren't set up correctly from new and thats what stuff's them,Ashcrofts had a photo showing the pinion barely meshing with the crownwheel on a brand new replacement center. Pat
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  3. 20th February 2012, 08:59 PM #3
    roley18
    roley18 is offline Fossicker Supporter
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    Our 2008 Puma is on it's 3rd rear diff, 42k on the clock.

    The 3rd one has that 'dry running' sound when backing off at around 90kmhr, but heaps better than the first two.

    Replacing it with the good gear from Ashcrofts would be great, but does that solve the problem ?

    How hard is it to fit a diff . . . properly.
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  4. 20th February 2012, 11:55 PM #4
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    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    Ford quality control at its best... makes the joke about the gaps in the panel work of a landy look like its been toleranced with a laser micrometer.

    setting up a diff properly is a 3 or 4 out of 5 spanners depending on which diff it is and which gear youve got to do it with.
    Dave

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  5. 21st February 2012, 01:08 AM #5
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    Naks
    Naks is offline Master
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    Rear diff lasted just short of 30,000km on my 90. Didn't even do much offroading
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  6. 21st February 2012, 01:47 AM #6
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    isuzurover
    isuzurover is offline Swaggie
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    Puma diffs are not fit for purpose IMHO.

    For means of comparison, the diff in my 110 lasted ~350k km before I removed it when fitting a locked (disc-disc) axle.
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  7. 21st February 2012, 03:16 AM #7
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    wrinklearthur
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    Diff blues

    I would like to see the blue marks, after a noisy diff has been loaded and with engineers blue added.

    This is the only way that you can read whether a diff has been setup properly.

    It should be loaded as much as if the vehicle is say climbing a steep bank, then the blue marks should show if there is any flex in the carrier, etc.
    .
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  8. 21st February 2012, 06:18 AM #8
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    newhue
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    I have an Ashcroft locker and axels awaiting for installation. My puma has 40K on it and has had no problems with the running gear.

    Should I be buying a pinion and crown gear as well perhaps to equal the locker.
    Jason

    2010 130 TDCi
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  9. 21st February 2012, 07:15 AM #9
    davep130
    davep130 is offline Fossicker Supporter
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    I got less than 30000Km out of both my front and rear diffs in 2008 130.

    Rear now has a salisbury with detroit locker
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  10. 21st February 2012, 10:10 AM #10
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    Drover
    Drover is offline Wizard
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    2008 PUMA,

    35,000k's - no prob's (touch wood)

    Front and rear diff's are quite as.

    I have fitted Ashcroft half shafts front and rear, Ashcroft drive flanges and Ashcroft CV's, all 4340 CR-MO

    Next on the list is Ashcroft lockers and HD crown wheel/pinion sets.

    I would love to hear from owners who have not had any problems, just to balance this thread out.

    Cheers
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