diff drain plug inspection, WDYT? (1 Viewer)

[IslandJ]

Getting the 85 FJ60 closer and closer to being on the road. Drained rear diff and the fluid looked okay for sitting for 15 years. A little gray but hey, its been ooooooold. Rear drain plug looked okay, some flakes but nothing crazy. The front fluid went from dark to clearish to a gray dark color. The plug had a piece of metal on it that I wanted to get the mud opinion on this. Im replacing the fluid with Redline 75w90 and plugs are getting switched out with the hex plugs.

 

[IslandJ]

BTW its a metal shaving.

Guessing I should pull the diff cover and see what else is going on.
New to diff.

 

[hj 60]

No need for expensive oil now, first flush more, every 5000 km at least and after water crossings so plenty of changes ahead.
That seems a bit of the drilled out hole for the bolts, no problem.
not the best picture, sorry:

If the front axle seal is leaking grease from the birf can mix with gear oil:
My hj has optional grease zerc for the birfield so I pump them to full and thought it would exit trough the felt gasket, wrong:
(I don't see this as a major problem, more to worry about than some gear oil mix with fat grease )

If the hex plugs have no magnet I would not use them.

When the diff is apart YOU MUST CHECK AND ADJUST THE Carrier Bearing Pre-Load CBPL (No measuring, No trouble) !

toyota carrier bearing preload

Again to much to copy paste, all torque settings and fsm about diff is here in 5 pages, just skip the lokka wandering : LOKKA rear+front difflock TOY-RO-404 406:30 spline - hj60.freeforums.org

A 6 dollar usb camera with led fits trough the holes and works with a laptop with VLC media player, (open tab media, click something like remote device or recording device whatever) just fun to have, 30 years ago impossible.

 

[GLTHFJ60]

^ x2

 

[IslandJ]

Thanks for the link. I’ll look into it. Does look like the left overs of a drilled out hole, thanks. The hex bolts do have the magnet.

Gota love mud.

Thanks again.