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Thread: LT230 diff damage

  1. #1
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    LT230 diff damage

    G'day,

    Whilst taking care of an R380 5th gear failure I thought I'd strip and reco my 230 at the same time. I've done a couple for family on high mileage (350k +) units and expected mine to be pretty fresh at only 154k.

    All the thrust washers bar one had disintegrated which had led to an unacceptable level of scoring to the thrust surfaces in the carrier.

    I've given up finding a unit that is not in a similar state, I have to get the truck together and can't waste any more time looking for a 2nd hand unit that fits my application and is in decent nick. Though chances are the very second its assembled again, I'll stumble over one for a carton of beer or something similar.

    After advice from a few in the trade, and given as a possible solution rather than a tried and true fix I assembled the carrier using Loctite 660 to hold the thrust washers in place to stop them rotating and wearing prematurely. I did a trial run and after tear down, I was less the impressed with the performance of the 660 product. The first time I have ever been disappointed by a Loctite product. The product when set resembled something similar to Araldite with metal filings in it and had a similar hardness/ toughness level, aside from coming apart quite easily I could pick it off the two surfaces without to much effort. The inside of a carrier is a hostile environment and 'glueing' the thrust washers in may working for a very short period, but in my opinion the bonding wont last too long. This applies to the steel inserts provided by a few companies, after a short call today I found the insert they make up are Loctited in as well ($450 plus post either way).

    Which leaves two options as far I am concerned. I'm not interested in bandaid fixes so I'll be pulling the trigger on a new replacement unit this week.

    Option 1 Roverparts out of Melbourne do a new complete unit for $825 inc GST
    Land Rover Parts - TRANSFER GEARBOX - DIFFERENTIAL

    Option 2 Speak the hallowed name of Quaife three times and grab one of these
    QDF30KR - Quaife Engineering

    Best part of $1300, but and the point of my post, I get a traction aid that is full time maybe negating the need to do anything to the diffs at a later date.

    What to do? Is the extra coin dropped on the Quaife unit actually going to be realised as an increase in traction?

    Cheers,

    Jas

    n.b. This truck is used as a tourer/hunting rig first and foremost, 'extreme' offroading is not something in my 130's future.

  2. #2
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    Quote Originally Posted by Fubar View Post

    [snip]

    Option 2 Speak the hallowed name of Quaife three times and grab one of these
    QDF30KR - Quaife Engineering

    Best part of $1300, but and the point of my post, I get a traction aid that is full time maybe negating the need to do anything to the diffs at a later date.

    What to do? Is the extra coin dropped on the Quaife unit actually going to be realised as an increase in traction?

    Cheers,

    Jas

    n.b. This truck is used as a tourer/hunting rig first and foremost, 'extreme' offroading is not something in my 130's future.
    As I said in a thread only yesterday, if I had a HiPo 4BD1T Isuzu in my 130 I'd seriously consider using a Quaife centre in the LT230 just so the diff could survive my right foot

    Unfortunately there's only an undernourished Tdi in my future ATM....

  3. #3
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    Land864 posted a thread a couple of months back about a LT95 diff issue. Someone in Melbourne rebuilds/machines them. Was around $500 with heavy duty cross pin etc.

    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

  4. #4
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    Bearman is offline TopicToaster Gold Subscriber
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    For less than $500 extra I would go the Quaife if you are going to purchase a new one. No more shims to wear out.
    Cheers......Brian
    1985 110 V8 County
    1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)

  5. #5
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    That would be Jacmac, (McNamara diffs)

  6. #6
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    Seeing how much cheaper Ashcrofts ATB axle diff is compared to Quaife's, maybe we need to lobby them to make an LT230 version too ?

  7. #7
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    The Quaife one doenst have a lock option though does it, lsd only so its not really a good option unless you are doing some form of high speed racing

    The LSD centre diff would generate less traction than the standard one when locked.....

    In no way would it remove the need for cross axle diff locks if that was something you were thinking.

    All my thrust washers were missing at about 120k km

  8. #8
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    I thought it still incorporated the CDL, but buggered if I know Pete

    I wouldn't install it if I couldn't lock it.

  9. #9
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    As I said in a thread only yesterday, if I had a HiPo 4BD1T Isuzu in my 130 I'd seriously consider using a Quaife centre in the LT230 just so the diff could survive my right foot
    If the TD5 has a craptacular failure or breakage I'll yank it in favour of the aformentioned engine...that said I am entirely happy with it so far and it suits my needs to date perfectly. But I hear what your saying re the reliability of the Quaife unit.

    That would be Jacmac, (McNamara diffs)
    I spoke to someone there today. Now I'm no shrinking violet, but when you open a conversation Fn and Cn' about my diff centre, have a nothing good to say about them and hang up mid call, lucky to be a minute long I might add, you can expect never to hear from me again. Cost was $550 plus freight with a HD cross pin....oh and the inserts are Loctited in, no thanks.

    I had a good think about the conversion when I got of the phone and firmly decided it was all him and not me. I cant remember when someone last hung up on me, let alone someone I want to give some money too!

    The reliability of the Quaife is a strong selling point, I cant see me ever selling this truck....its going to make a great farm truck in a few decades.
    Last edited by Fubar; 14th January 2013 at 09:15 PM. Reason: I have a mlid typing disability

  10. #10
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    Quote Originally Posted by rick130 View Post
    I thought it still incorporated the CDL, but buggered if I know Pete

    I wouldn't install it if I couldn't lock it.
    I'm not sure now Rick, but it was the reason I discounted it when I had the issue with mine...

    Would be good to clarify that but I was sure it doesn't have the lock...

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