Question about 1986 Toyota 4Runner

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I need instruction & schematic to replace rear axle bearings & seals on a 1986 4runner sr5

Hi ; i recently had the rear brakes repaired, the mechanic said I need to replace the rear axle seals & bearings as the oil from the transfer case is leaking & thus degrading the brake pads..can you help with instruction a diagram & instructions to make this repair at home or should I just bring it back to the garage & pay him the $900 + dollars hes has quoted me

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  • joezjava24-7 Oct 22, 2008

    Hi;

    Thank you both for replying to my problem.. While waiting for your replies I had a local mechanic friend look at my 4Runner & his solution was exactly as Guest suggested, Now all I need is for the weekend to get here so I can have the time to implement it.. I'll let you know how it turns out.. thanks again

  • Toyota Ed May 11, 2010

    I can give you the instructions, but, the rear axle bearings are pressed onto the rear axle shafts. Do you have a large press avilable to you?

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1 Answer

Good news mate!You don't have to touch the bearings at all !!! Just replace the seals, highly unlikely the bearings are toast, had the very same problem and advice from local repairer but another (honest) mechanic suggested to change the seals only and it worked.Remove old seals using a large flat bladed screwdriver taking EXTREME CARE not to scratch the housing, tricky bit is to replace the seals as they have to go in SQUARE to the housing, use a large socket if available or a flat piece of steel to rest against the seal and hammer in SLOWLY AND CAREFUL, ALWAYS SQUARE ! to the housing, take your time and do it a bit at a time, the further in you go the easier it gets, make a note of the final position of the old seal before removal, do a sketch or take a photograph, also take care when reinserting the prop shaft back in the axle housing not to damage the new seal. Good luck !!!

Posted on Oct 21, 2008

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sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: The rear brake anti-lock sensor must be removed before the axle shafts are removed. The rear brake anti-lock sensor is bolted on the rear disc brake caliper anchor plate.
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sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Care must be taken not to let axle shaft splines damage oil seal or bearing assembly.
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-----------------------------------------------------------------------------------------------------------------
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  1. sxn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Never remove the wheel bearing oil seal (1177) by itself. Always remove the rear wheel bearing (1225) and the inner wheel bearing oil seal at the same time.
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6c7eb46.gif Installation
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