changed my 4.3 diff centre to a 4.56 the sarvo so I thought I'd post up sum picks and show easy it is to change a diff.
First of all u want to jack up the rear and put on stands, then proceed to take off the rear wheels and disconnect brake lines (let fluid dribble into a dish) Also disconnect handbrake cable support on trailing arm (4runner/surf only)
Then proceed to undo 4 axle flange nuts on the inside of the backing plate (can be tight so get a big lever). Axles will slide out with ease make sure to take care that brake lines dont get kinked or damaged.
Then u wanna get under the car and undo the 4 nut & bolts fixing the tailshaft to the pinion flange, then give the tailshaft a gentle tap with a hammer and it will drop (position out of the way).
U then want to gently undo the numerous diff pumpkin studs and put the nuts and washers aside. To check that the axles are far enough out turn the pinion flange by hand and ther shud be no drive transmitted to drums.
When all the nuts are off push the pinion flange and then pull it down to break the seal (oil will piss out if not already drained so be ready for it) And also the diff centre weighs alot so be ready to grab it or guide it to sumthin soft.
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