In-depth guide on how to change rear wheel bearings and rear axle oil seals on a Toyota Landcruiser 80 Series (disc brake models, all years) or 105 Series (all models and years).
Kit installed – Terrain Tamer WBK3 x2 (rear, disc brakes).
Standard wheel bearing kit - https://www.terraintamer.com/4wd-prod...
Heavy Duty wheel bearing kit - https://www.terraintamer.com/4wd-prod...

Jump to Section:
00:00 Introduction
00:31 Tools and Parts
02:08 Draining rear differential oil
03:07 Jacking the car and removing the wheel
03:49 Removing the brake caliper
05:09 Removing rear axle and brake disc
07:30 Disassembling hub including ABS speed sensor
09:08 Removing axle shaft oil seal
09:22 Cleaning parts and removing old gaskets
10:53 Removing old bearing races and inner oil seal
12:35 Installing new bearing races
13:50 Packing new wheel bearings with grease and installing new inner oil seal
16:50 Installing new axle shaft oil seal
17:25 Reassembling the hub, brake disc and setting preload for new wheel bearings
21:03 Reinstating rear axle
22:39 Reinstating the brake caliper
23:29 Reinstating the wheel and lowering the car
REPEAT ABOVE STEPS FOR BOTH SIDES
24:28 Filling rear differential with new oil
26:31 Outro and Conclusion

Parts and Consumables (not provided with kit):
Toyota Rear Axle Shaft Oil Seal 90310-35001 x2
Toyota Drain Plug Gasket 12157-10010 x2 (Differential fill and drain plugs)
Multi-purpose (MP) wheel bearing grease – 450g / 1lb tub
(Nulon Extreme Performance L80 Grease shown)
Hypoid gear oil API GL-5 for limited slip differential, SAE 90 or 80W-90 – 3.25 L
(Castrol Axle Limited Slip 90 shown)
Cable ties – 300mm x2
Brake and parts cleaner (lots)
Paper towels or rags (lots)
Newspaper

Terrain Tamer WBK3 kit (x2) comes with aftermarket equivalent of Toyota Genuine Parts listed below:
Toyota Rear Axle Hub Oil Seal 90311-62002 x2
Toyota Rear Wheel Bearing Inner 90368-49084 x2
Toyota Rear Wheel Bearing Outer 90368-45087 x2
Toyota Rear Axle Outer Shaft Flange Gasket 43422-60040 x2

Tools:
Jack
Jack stand
Drain pan (minimum 4L)
Metric socket set – 12, 13, 17, 21, 24 mm required
Socket wrench and extension to suit above sockets
Breaker bar to suit above sockets
Torque wrench to suit above sockets
Toyota SST 09509-25011 3 pin socket or similar
12 mm ring spanner
Steel hammer
Copper or brass hammer
Phillips head screwdriver (no. 2)
Steel drift – 1/4” or 6mm steel rod
Seal puller tool or crowbar
Vice grips or pliers
Bearing and seal driver kit – 72mm and 81mm sizes used (recommended)
Oil hand pump
Wood blocks x2
Razor blade (e.g., Stanley knife blade)
Spring tension gauge (not shown)
Scissors or cutters (for plastic cable ties only)
Old toothbrush
M8 coarse thread (standard) bolts x2

Toyota Genuine Part numbers below can also be replaced if required:
Toyota Rear Axle Outer Shaft Flange Stud Bolts 90116-08325 x12
Toyota Cone Washer for Rear Axle Hub 4232360010 x12
Toyota Washer for Rear Axle Hub 90201-08042 x12
Toyota Hex Nut for Rear Axle Hub 90170-08204 x12
Toyota Rear Axle Bearing Lock Nut 42427-60021 x1
Toyota Rear Axle Lock Nut Plate (AKA thrust washer) 42428-60011 x1

Recommended Personal Protective Equipment (PPE):
Safety glasses
Ear plugs or earmuffs
Disposable gloves (multiple pairs)

All genuine part numbers were found by entering vehicle identification number (VIN) into PartsOuq:
https://partsouq.com/

Disclaimer: At 2nd Gear Low, we love working on cars, but we are not trained mechanics. We like completing maintenance and modifications to all sorts of cars and filming it for your entertainment, but we can’t promise that you won’t harm yourself, someone else, your car or your warranty by trying this. Talk to a qualified mechanic if you are ever unsure about any part of a job that you choose to try yourself.