Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Installation

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

The rear differential carrier assembly with differential support is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop.

NOTICE:

If installing a new rear differential carrier assembly, remove the 2 differential side seal caps before installing the rear drive shaft assembly.

PROCEDURE

1. TEMPORARILY INSTALL NO. 2 REAR DIFFERENTIAL SUPPORT

(a) Temporarily install the No. 2 rear differential support to the rear differential carrier assembly with 2 new bolts and 2 new nuts.

NOTICE:

  • Be sure to install the No. 2 rear differential support facing the direction shown in the illustration.
  • Be sure to install the tab of each nut to the position (A) shown in the illustration.

HINT:

The nuts have tabs to prevent them from rotating.

2. INSTALL UPPER REAR DIFFERENTIAL MOUNT STOPPER

(a) Install the 2 upper rear differential mount stoppers to the No. 2 rear differential support.

NOTICE:

Keep the upper rear differential mount stoppers free of oil and foreign matter.

3. INSTALL DIFFERENTIAL SUPPORT

(a) Install the differential support to the rear differential carrier assembly with 3 new bolts.

Torque:

166.7 N·m {1700 kgf·cm, 123 ft·lbf}

NOTICE:

Tighten the bolt (A) shown in the illustration first.

4. TEMPORARILY INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY WITH DIFFERENTIAL SUPPORT

NOTICE:

  • Do not damage the contact surface when installing the rear differential carrier assembly with differential support.
  • The remaining oil may leak out when installing the rear differential carrier assembly with differential support.
  • Securely support the rear differential carrier assembly with differential support while performing this step to avoid excessively tilting or dropping the rear differential carrier assembly with differential support.
  • Install the bolts and nuts with the rear differential carrier assembly with differential support secured.

(a) Support the rear differential carrier assembly with differential support with an engine lifter using 3 attachments or equivalent tools as shown in the illustration.

HINT:

Raise the rear differential carrier assembly with differential support until the vacuum hose can be installed.

*a

Attachment

*b

Engine Lifter

(b) Install the vacuum hose to the clamp.

NOTICE:

Do not damage the vacuum hose and electro magnetic control coupling wire harness.

*1

Vacuum Hose

(c) Install the vacuum hose to the clamp (B).

*1

Vacuum Hose

*a

Clamp (A)

*b

Clamp (B)

(d) Connect the connector and engage the clamp (A).

(e) Temporarily install the rear differential carrier assembly with differential support to the front side of the rear suspension member sub-assembly with the 2 lower rear differential mount stoppers, 2 new bolts and 2 new nuts.

NOTICE:

Keep the bolt and lower rear differential mount stoppers free of oil and foreign matter.

HINT:

  • Be sure to install the lower rear differential mount stoppers with the convex side facing upward.
  • Make sure that the lower rear differential mount stoppers and the upper rear differential mount stoppers are not misaligned or tilted.
  • The nuts have tabs to prevent them from rotating.
  • Raise the engine lifter to the extent that the rear differential carrier assembly with differential support can be temporarily installed.

*1

Lower Rear Differential Mount Stopper

5. FULLY INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY WITH DIFFERENTIAL SUPPORT

NOTICE:

Do not tighten the bolts with the inner cylinder or rear differential mount cushion tilted.

(a) Install the rear differential carrier assembly with differential support to the rear No. 2 differential mount cushion with the 2 new bolts.

Torque:

95.1 N·m {970 kgf·cm, 70 ft·lbf}

(b) Tighten the 2 bolts.

Torque:

86 N·m {877 kgf·cm, 63 ft·lbf}

HINT:

  • Tighten the bolts only if the No. 2 rear differential support has been removed from the rear differential carrier assembly.
  • Lower the engine lifter to the extent that the bolts can still be tightened.

(c) Tighten the 2 bolts.

Torque:

80 N·m {816 kgf·cm, 59 ft·lbf}

(d) Lower the engine lifter.

(e) Connect the vacuum hose to the electro magnetic control coupling sub-assembly.

NOTICE:

Connect the vacuum hose until it reaches the paint mark.

*a

Paint Mark

6. INSTALL REAR DIFFERENTIAL DRAIN PLUG

(a) 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}

7. INSTALL REAR STABILIZER BAR

w/o Rear No. 2 Seat: Click here

w/ Rear No. 2 Seat: Click here

8. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY

Click here

HINT:

The inspection and adjustment of the joint angle is performed at the end of the installation procedure.

9. INSTALL REAR DRIVE SHAFT ASSEMBLY

(a) Install the rear drive shaft assembly LH and RH.

Click here

10. INSPECT AND ADJUST JOINT ANGLE

Click here

    Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: Before installation, thoroughly clean and dry each part and then apply Toyota Genuine Differential gear oil LT SAE 75W-85 GL-5 or equivalent to them. D ...

    Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT NOTICE: Before installation, thoroughly clean and dry each part and then apply Toyota Genuine Differential gear oil LT SAE 75W-85 GL-5 or equivalent to them. Do ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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