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Thread: Discovery 2 Front Pinion Seal Leaking!!!!

  1. 3rd September 2017, 09:54 AM #1
    Kaaaiju
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    Discovery 2 Front Pinion Seal Leaking!!!!

    Hi, just got my front diff rebuilt and an new flange and seal put in but an reputable company and now it leaks only after an day of driving, what would be the cause of this? I checked the front diff breather and it's good
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  2. 3rd September 2017, 09:56 AM #2
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    trout1105
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    Take it back and get it done properly
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods gone
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  3. 3rd September 2017, 10:09 AM #3
    strangy
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    The cause is the rebuild wasn't done properly.
    If they are a reputable company they will apologetically rectify as soon as possible.
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  4. 3rd September 2017, 01:22 PM #4
    Kaaaiju
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    Ok it will be an PITA to take the front diff off again and take it back, but thanks for the help, I'll call tomorrow
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  5. 3rd September 2017, 01:28 PM #5
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    trout1105
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    Quote Originally Posted by Kaaaiju View Post
    Ok it will be an PITA to take the front diff off again and take it back, but thanks for the help, I'll call tomorrow
    They should be able to sort this out without taking the diff out of the truck.
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods gone
    2007 79 Series Landcruiser V8 Ute, With a few Mods.
    4.6m Quintrex boat
    20' Jayco Expanda caravan gone
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  6. 3rd September 2017, 04:02 PM #6
    DeanoH
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    Are you sure it's the pinion seal that is leaking ? A potential leak point is where the pinion drive flange nut/bolt pulls up. Oil can work its way up the spline and out from under the nut. I would expect a knowledgeable diff re builder to be aware of this and assemble with a healthy dollop of silicon under the nut before doing it up.

    Deano
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  7. 3rd September 2017, 07:33 PM #7
    Kaaaiju
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    Well its leaking from around the pinion seal and running down the diff,
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  8. 3rd September 2017, 08:05 PM #8
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    trout1105
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    Definitely take it back, either there is a problem with the seal or the Pre load.
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods gone
    2007 79 Series Landcruiser V8 Ute, With a few Mods.
    4.6m Quintrex boat
    20' Jayco Expanda caravan gone
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  9. 3rd September 2017, 08:32 PM #9
    Kaaaiju
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    It could be that the housing surface is not flush and has an mark or gouge in it, which i have seen before and on my brothers discovery but don't know if you can fill it up and make an sealed surface.
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