Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Differential Oil

(a) Using a 10 mm hexagon wrench, remove the differential inspection plug and gasket.

(b) Using a 10 mm hexagon wrench, remove the rear differential drain plug and gasket to drain the differential oil.

NOTICE:

As the differential oil may be hot after driving, make sure that the differential is sufficiently cool before starting work.

(c) Using a 10 mm hexagon wrench, install a new gasket and the rear differential drain plug.

Torque:

39 N·m {398 kgf·cm, 29 ft·lbf}

(b) Check that the oil level is between 0 to 5 mm (0 and 0.196 in.) from the bottom lip of the differential inspection plug opening.

(d) Using a 10 mm hexagon wrench, install a new gasket and the differential inspection plug.

Torque:

39 N·m {398 kgf·cm, 29 ft·lbf}

NOTICE:

After changing the oil, drive the vehicle and then check the oil level again.