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1986 BJ70 Rear Axle Rebuild - Help Needed

ChrisvW

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Nov 17, 2016
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zimbabwe
Hi All,

I've condensed the contents from a few other threads that have been going for some time into this one as it is probably the most appropriate place on the forum for it. Here goes:

In January I picked up a rear axle from a 1994 HZJ75 Troopie which I believe will be a straight conversion into the BJ70 giving me both a fully floating axle and Disc Brake upgrade.
Rebuild and fit pics to follow.

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Started on the rebuild of the axle. It's taken me a few weeks. I started by cleaning up the axle using the pressure washer and hose.
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I then started to pull it all apart. The axles were on tight so I used a few HT bulbs from Bunnings. The nuts were also used to remove the axle studs.
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The rotors on both sides were very rusty. Lots of crap in the hand brakes too. I cleaned everything up with a wire brush in the drill and then etch primed and painted with Satin Black Metalshield. Should offer some protection.
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I bought a heap of parts off ebay and from Repco. In a cruel twist of fate only the repco parts were wrong so the brake rotors have to go back. Assembly begins:
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I saw a cool post on using old bearing races with a slit cut through them to seat the new races. It worked really well.
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once the races and bearings were in it was time to put it all back together.
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Unfortunately this was as far as I got as I realised Repco gave me the wrong brake rotors, for a post 96 Landcruiser. The axle is from a 94 HZJ75.
I finally got the right rotors, 68mm total depth. Now I'm really stumped. I can put the rotors on but can't get the calipers
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in place. I've compared calipers and they are identical to the old ones so that's not the problem. I've looked at the Toyota rear brake rotor catalogue and the next size up is 103mm depth which is too much. I'm thinking that the hub/axle is somehow not seated properly? Could the oil seal not be seated properly? It was flush with the end of the hub... Is this possible? Any help appreciated. 20170910_121316-jpg-132910-jpg.133089.jpg 20170910_121612-jpg-132911-jpg.133090.jpg 20170910_121629-jpg-132912-jpg.133091.jpg
 
Last edited:
Looks to me like you've got calipers for a solid non vented rotors, check the parts catalogue to see if that axle comes with vented or non vented rotors, you need the calipers to match the rotors vented or non vented, hope this helps
 
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