Warm Up TWC Removal/Installation

Warm Up TWC Removal/Installation

FRONT

1. Remove the engine cover.

2. Remove the No. 2 the ignition coil and the ignition coil heat insulator.

3. Remove the front A/F sensor (Sensor 1) A/F Sensor Replacement and the front secondary HO2S (Sensor 2). Secondary HO2S Replacement

4. Remove the exhaust pipe A mounting nuts (front WU-TWC side). Service and Repair

5. Remove the EGR pipe. Service and Repair

6. Remove the A/C condenser fan assembly Service and Repair and the radiator upper bracket/cushion. Service and Repair

7. Carefully remove the front WU-TWC.

8. Carefully install the front WU-TWC with a new gasket and new self-locking nuts. Tighten the nuts in a crisscross pattern in two or three steps.

9. Install the parts in the reverse order of removal.






REAR

1. Remove the strut brace.

2. Remove the P/S feed hose clamp. Steering Gearbox Removal

3. Remove the cowl cover. Service and Repair

4. Remove the No. 4 ignition coil and the ignition coil heat insulator.

5. Remove the rear A/F sensor (Sensor 1) A/F Sensor Replacement and the rear secondary HO2S (Sensor 2). Secondary HO2S Replacement

6. Remove the exhaust pipe A mounting nuts (rear WU-TWC side). Service and Repair

7. Carefully remove the rear WU-TWC.

8. Carefully install the rear WU-TWC with a new gasket and new self-locking nuts. Tighten the nuts in a crisscross pattern in two or three steps.

9. Install the parts in the reverse order of removal.