How to Change the Differential and Transfer Case Fluid on a 2016 Toyota 4Runner - DIY 

Torque:
- Front Diff Fill Plug: 39 N*m (398 kgf*cm, 29 ft.*lbf)
- Front Diff Drain Plug: 65 N*m (660 kgf*cm, 48 ft.*lbf)
- Rear Diff Fill Plug: 49 N*m (500 kgf*cm, 36 ft.*lbf)
- Rear Diff Drain Plug: 49 N*m (500 kgf*cm, 36 ft.*lbf)
- Transfer Case Fill Plug: 37 N*m (377 kgf*cm, 27 ft.*lbf)
Tools:
- 10MM Hex Socket (1/2 in. preferably)
- 24MM Socket
- 12MM socket
- 1/2 in. wrench and breaker bar
- Multi-Use Transfer Pump
Materials:
- 75W-85 GL-5 gear oil (~5.5 quarts total)
- Multiple sizes of crush washers, the largest needed being 24MM. 3 of these was our solution:
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