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Rear leak

Discussion in '3rd Gen 4Runners (1996-2002)' started by Salmon Fisher, Jun 13, 2016.

  1. Jun 13, 2016 at 12:49 PM
    #1
    Salmon Fisher

    Salmon Fisher [OP] New Member

    Joined:
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    Female
    Vehicle:
    2000 Silver 4Runner
    My 2000LTD rear is leaking badly - one place wanted to cover it with JBWeld - seemed temporary to me. Another place says they can weld on a new cover. Probably going to be in the $400 range. Is this the best fix? I wash the underside frequently during the winter but what undercoat on this new cover should I get?
     
  2. Jun 14, 2016 at 4:09 AM
    #2
    RonT4R

    RonT4R New Member

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    Ron
    Virginia Beach
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    2007 4runner SR5 4WD
    A little more details please, rear hatch,rear differential? I take it you live up north where salt is used a good bit. Also a pic of where the problem is would really help.
     
  3. Jun 14, 2016 at 5:01 AM
    #3
    Salmon Fisher

    Salmon Fisher [OP] New Member

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    2000 Silver 4Runner
    Yes, vehicle is in Maine:( . The back of the rear differential is flaking rust and totally wet with rear dif fluid to the point where it is on the spare tire. I am told this is common to this year. There is no cover that bolts on at the rear of this differential.
     
  4. Jun 14, 2016 at 6:12 AM
    #4
    RonT4R

    RonT4R New Member

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    Ron
    Virginia Beach
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    2007 4runner SR5 4WD
    That just doesn't sound right IMO....Is there anyone you know that can replace the axle housing? Finding and buying a used on in good shape shouldn't be hard I don't think for a 2000 4Runner. There are plenty of front end wrecked ones around here, a little too far for you but I would start checking craigslist, letgo and offer up. If you find one I suggest have it cleaned really well and look for some really good chassis paint. Powder coating would be preferred but it can get pricey with cleaning and blasting. Sorry for your situation and good luck.
     
  5. Aug 10, 2016 at 10:51 PM
    #5
    Ol'Blue

    Ol'Blue Moderator Staff Member

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    "Not all who wander are lost"
    Vehicle:
    99 T4R LTD- 33's and locked, 01 SR5-,SAS Sold...
    A few things here and there. Still dreaming up stuff
    Ok so let's say the diff is eat up so bad with rust it has eat through. Just get a used axle housing complete and swap them. That's easy and should run on the high side 500 installed. If it's more than that they ate bending you over.

    I'm sure I can find a non locking complete axle housing for 200 or 300 bucks for a 3rd gen. The rest is labor. It should not take more than 2 hours to switch them out.

    Blue
     
  6. Aug 11, 2016 at 5:03 AM
    #6
    ajohnson

    ajohnson Glamorous

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    Andy
    Charlotte, NC
    Vehicle:
    87 4Runner SAS and other stuffs, 07 Tacoma
    Things and stuff and such
    common with toyotas in the rust belt. Barnes 4wd sells a weld-on diff cover to replace dented or rusted factory covers. You can go that route, or like Blue said, find a replacement axle housing, clean it real well and paint it with POR-15.

    JB-Weld is a temporary fix. The cover will continue to rust and eventually leak again.
     
    Ol'Blue likes this.

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