Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL HEATED OXYGEN SENSOR (for Bank 2)

HINT:

Perform "Inspection After Repairs" after replacing the heated oxygen sensor.

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(a) Using SST, install the heated oxygen sensor to the front exhaust pipe assembly. SST: 09224-00011 Torque: Specified tightening torque : 44 N·m {449 kgf·cm, 32 ft·lbf} NOTICE: If the heated oxygen sensor has been struck or dropped, replace it. HINT: Calculate the torque wrench reading when changing the fulcrum length of the torque wrench. Click here When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)): 39 N*m (398 kgf*cm, 29 ft.*lbf)

*a Torque Wrench Fulcrum Length

2. INSTALL FRONT EXHAUST PIPE ASSEMBLY

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3. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

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4. INSTALL HEATED OXYGEN SENSOR (for Bank 1)

HINT:

Perform "Inspection After Repairs" after replacing the heated oxygen sensor.

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(a) Using SST, install the heated oxygen sensor to the front No. 3 exhaust pipe sub-assembly. SST: 09224-00011 Torque: Specified tightening torque : 44 N·m {449 kgf·cm, 32 ft·lbf} NOTICE: If the heated oxygen sensor has been struck or dropped, replace it. HINT: Calculate the torque wrench reading when changing the fulcrum length of the torque wrench. Click here When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)): 39 N*m (398 kgf*cm, 29 ft.*lbf)

*a Torque Wrench Fulcrum Length

(b) Install the wire harness clamp bracket to the heated oxygen sensor. HINT: Make sure the direction of the wire harness clamp bracket is as shown in the illustration.

*1 Wire Harness Clamp Bracket *a Left of Vehicle *b 180°

5. INSTALL FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY

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6. INSPECT FOR EXHAUST GAS LEAK

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7. INSTALL FRONT FLOOR COVER LH

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8. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the heated oxygen sensor.

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