Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL LOWER RADIATOR SUPPORT

(a) Install the 2 lower radiator supports to the radiator assembly.

2. INSTALL RADIATOR SUPPORT CUSHION

(a) Install the 2 radiator support cushions to the radiator assembly.

3. INSTALL RADIATOR ASSEMBLY

(a) Engage the 3 guides.

(b) Engage the 3 claws to install the fan shroud assembly to the radiator assembly.

NOTICE:

Do not damage the radiator assembly when installing the fan shroud assembly.

(c) Connect the radiator reserve tank hose to the radiator assembly.

(d) Install the radiator assembly with the fan shroud assembly to the vehicle body.

NOTICE:

Do not apply excessive force to the cooler condenser assembly or pipe when installing the radiator assembly with the fan shroud assembly.

(e) Engage the 4 wire harness clamps.

(f) Connect the cooling fan ECU connector.

(g) Engage the 2 guides.

(h) Engage the 2 claws to install the cooler condenser assembly to the radiator assembly.

NOTICE:

Make sure not to damage the cooler condenser assembly when installing the radiator assembly.

4. CONNECT OUTLET NO. 1 OIL COOLER HOSE

(a) Connect the outlet No. 1 oil cooler hose and slide the clip to secure it.

5. CONNECT INLET NO. 1 OIL COOLER HOSE

(a) Connect the inlet No. 1 oil cooler hose and slide the clip to secure it.

(b) Engage the clamp to connect the inlet No. 1 oil cooler hose to the fan shroud assembly.

6. CONNECT NO. 2 RADIATOR HOSE

(a) Connect the No. 2 radiator hose and slide the clip to secure it.

(b) Engage the clamp and connect the No. 2 radiator hose to the fan shroud assembly.

7. CONNECT NO. 1 RADIATOR HOSE

(a) Connect the No. 1 radiator hose and slide the clip to secure it.

8. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY

(a) Temporarily install the upper radiator support sub-assembly with the 7 bolts.

(b) Using a 10 mm union nut wrench, fully tighten the bolt (A).

Torque:

Specified tightening torque :

12 N·m {122 kgf·cm, 9 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
  • When using a 10 mm union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 11 N*m (112 kgf*cm, 8 ft.*lbf)

*a

Torque Wrench Fulcrum Length

(c) Fully tighten the bolt (B).

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

(d) Engage the 4 clamps and connect the wire harness to the upper radiator support sub-assembly.

(e) w/ Smog Ventilation Sensor:

(1) Connect the smog ventilation sensor connector.

9. INSTALL INLET AIR CLEANER ASSEMBLY

Click here

10. INSTALL HOOD LOCK ASSEMBLY

Click here

11. INSTALL HOOD LOCK RELEASE LEVER PROTECTOR

Click here

12. INSTALL HOOD LOCK CONTROL CABLE COVER

Click here

13. INSTALL FRONT BUMPER COVER

Click here

14. INSTALL BATTERY

for 2WD: Click here

for AWD: Click here

15. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here

16. ADD ENGINE COOLANT

Click here

17. INSPECT FOR COOLANT LEAK

Click here

18. INSTALL NO. 1 ENGINE UNDER COVER

Click here

19. INSTALL NO. 3 ENGINE UNDER COVER

Click here

20. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH

Click here

21. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH

Click here

    On-vehicle Inspection
    ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may b ...

    Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during radi ...

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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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