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Thread: Help! Front diff issues

  1. #1
    Join Date
    Jul 2013
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    Perth WA
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    Help! Front diff issues

    Hi all, driving to work this morning in my 94 300tdi 110 and went to change gears from 3rd to 4th when I hear a horrid grating scraping noise, then the car starts to shudder and it sounds like something is dragging on the ground. Pull over, look behind and nothing - haven't lost anything off the car. Look underneath and there is steam coming off the front diff. Managed to put it into diff lock and crawl the last 2km to work.

    What has happened? Have I seized the diff? Could it be something else? I have noticed more oil than usual leaking from the big girl lately, and as usual, haven't had time to check it out properly - wondering if I have been losing oil from the diff and today it became critical.

    Any suggestions/help/comments greatly appreciated

  2. #2
    Join Date
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    Whatever the cause, I'd say its broken now if you had to use the CDL to get it to move. If it was seized solid it wouldn't move at all.

    Being a front diff its not as easy as pulling half shafts and removing prop shaft to stop it from turning further, and I personally wouldn't be keen on driving it home like it is. If some of the broken bits happen to jam inside when you're moving it could get ugly.

    Personally I'd be getting it flat-bedded to somewhere it can be worked on.
    Get the center out and go from there depending on the damage.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  3. #3
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    Yeah I was gonna leave it in the car park at work for a couple of days until I get paid and then get a flat bed to pick it up. I think she might be sitting in my shed for a while.....

  4. #4
    Join Date
    Feb 2007
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    If its the front diff you can remove the tailshaft and drive flanges lock the centre diff and drive it home

  5. #5
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    Quote Originally Posted by dfendr View Post
    If its the front diff you can remove the tailshaft and drive flanges lock the centre diff and drive it home
    Doh! - you're right. I was thinking the cv stub shafts were going to flail round inside the stub axles, but they'll just be static with the propshaft removed.

    If the wheel bearings are oil lubed it may get a bit messy though....

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  6. #6
    Join Date
    May 2012
    Location
    Adelaide Hills, SA
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    Talking Got free wheeling hubs on there?

    Without free wheeling hubs the front wheels will still rotate the axles etc, the good side is everything is unloaded, I'd be trying it very slowly and hoping for the best.

    Mike

  7. #7
    Join Date
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    wow, now you're getting a locker! congratulations.

    I know of a couple of people with truTracks at the front (Tdi 110 & D2a) with no issues. Cheaper than an air locker and a DIY on a rover diff,

  8. #8
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    Thanks for the info guys, think I will just play it safe and get the bugger towed. Don't really have the best selection of tools here at work to do much anyway. Will get it home, and then endeavour to pull the diff out and see what the hell has happened.

    To try and take a positive from it , it may be for the best that I park it up in the shed for a while, as I know I have a few other things that need some attention, she's had a hard life (12 odd years in the Pilbara and Kimberley) and needs some TLC.

    Don't think it is going to be a cheap exercise though

  9. #9
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    Should be able to pick up a reasonable used center for less than $200, and combined with a day in the shed it's probably all you need to get it mobile again (notwithstanding that you've got other stuff you want to do).

    A stronger center is always nice, but if its survived for this long I reckon you'd be right with another one of the same.
    Pick up the whole front axle out of a D1 (preferably without ABS), use the center to get you going, and then rebuild it in slow time with additional goodies if you want. Once its ready, pull the old one out and swap the new one in.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  10. #10
    Join Date
    Jan 1970
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    Ipswich QLD.
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    Let us know if it has broken the heads off the crown wheel bolts.

    Cheers,
    Mick.
    1968 SIIa SWB
    1978 SIII Game SWB
    2002 130 Crew Cab HCPU

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