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

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT TRANSFER OIL

(a) Lift the vehicle.

NOTICE:

Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°).

(b) Remove the filler plug (No. 1 transfer case plug) and gasket from the transfer assembly.

(c) Check that the oil level is between 0 and 5 mm (0 and 0.197 in.) from the bottom lip of the filler plug (No. 1 transfer case plug) hole. NOTICE: When inspecting the transfer oil, make sure that the vehicle is level. An excessively large or small amount of oil may cause damage. After adding transfer oil, drive the vehicle and recheck the oil level.

*a 0 to 5 mm (0 to 0.197 in.)

(d) Check for oil leakage if the oil level is low.

(e) Install the filler plug (No. 1 transfer case plug) and a new gasket to the transfer assembly.

Torque:

49 N·m {500 kgf·cm, 36 ft·lbf}

2. ADJUST TRANSFER OIL

(a) Lift the vehicle.

NOTICE:

Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°).

(b) Remove the filler plug (No. 1 transfer case plug) and gasket from the transfer assembly.

(c) Add transfer oil until the oil level is between 0 and 5 mm (0 and 0.197 in.) from the bottom lip of the filler plug (No. 1 transfer case plug) hole. Oil Type: Toyota Genuine Differential gear oil LT 75W-85 GL-5 or equivalent Standard Capacity: 0.8 liters (0.8 US qts, 0.7 Imp. qts) NOTICE: Slowly add transfer oil. Add transfer oil a little at a time, waiting several minutes between each addition of transfer oil. An excessively large or small amount of oil may cause damage.

*a 0 to 5 mm (0 to 0.197 in.)

(d) After waiting for approximately 5 minutes, recheck the oil level.

(e) Install the filler plug (No. 1 transfer case plug) and a new gasket to the transfer assembly.

Torque:

49 N·m {500 kgf·cm, 36 ft·lbf}

Replacement

REPLACEMENT

PROCEDURE

1. DRAIN TRANSFER OIL

(a) Lift the vehicle.

NOTICE:

Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°).

(b) Remove the filler plug (No. 1 transfer case plug) and gasket from the transfer assembly.

(c) Remove the transfer drain plug and gasket and drain the transfer oil.

(d) Install the transfer drain plug and a new gasket.

Torque:

49 N·m {500 kgf·cm, 36 ft·lbf}

2. ADD TRANSFER OIL

(a) Add transfer oil until the oil level is between 0 and 5 mm (0 and 0.197 in.) from the bottom lip of the filler plug (No. 1 transfer case plug) hole. Oil Type: Toyota Genuine Differential gear oil LT 75W-85 GL-5 or equivalent Standard Capacity: 0.8 liters (0.8 US qts, 0.7 Imp. qts) NOTICE: Slowly add transfer oil. Add transfer oil a little at a time, waiting several minutes between each addition of transfer oil. An excessively large or small amount of oil may cause damage.

*a 0 to 5 mm (0 to 0.197 in.)

(b) After waiting for approximately 5 minutes, recheck the oil level.

(c) Install the filler plug (No. 1 transfer case plug) and a new gasket to the transfer assembly.

Torque:

49 N·m {500 kgf·cm, 36 ft·lbf}