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Exhaust Front Pipe Replacement (LHU/A20NFT, LAU/A28NER)

Exhaust Front Pipe Replacement (LHU/A20NFT, LAU/A28NER)

Removal Procedure

Refer to Exhaust Service Warning .

Refer to Protective Goggles and Glove Warning .


1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Install the shipping fastening (1) to the flex pipe.


3.
Warning

To prevent internal damage to the flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.


Note

The fastening clips of the exhaust system should be replaced every time that they are loosened. When replacing the exhaust system, the shipping fastening should only be removed after installation and before starting the engine. The shipping fastening should be removed for other operations in which the exhaust system has to be removed, stored and used to secure the flex pipe.


See assembly instruction (1) on the shipping fastening.

4. Disconnect the electrical connector (2) from the heated oxygen sensor 2 (1). Refer to Heated Oxygen Sensor Replacement - Sensor 2 .


5. Remove the exhaust front pipe from the catalytic converter.

6. Remove the fastener (1) of the exhaust front pipe from the catalytic converter.


7. Remove the exhaust front pipe (1) to muffler assembly fastener (2).


8. Remove the floor panel tunnel brace fastener.


9. Move the muffler assembly rearward in order to disengage the exhaust front pipe.

10. Discard both gaskets.

11. Remove the heated oxygen sensor 2 of the exhaust front pipe. Refer to Heated Oxygen Sensor Replacement - Sensor 2 .


Installation Procedure


1. Install the heated oxygen sensor 2 to the exhaust front pipe. Refer to Heated Oxygen Sensor Replacement - Sensor 2 .

2. Install new gaskets to the exhaust front pipe and to the muffler assembly.

3. Install the exhaust front pipe to the vehicle.

4. Refer to Fastener Caution .

Install the floor panel tunnel fasteners and tighten to 25 Nm (18 lb ft) .


5. Install the exhaust front pipe to the catalytic converter.

6. Install the fastener (1) to the exhaust front pipe.


7. Install the exhaust front pipe (1) to the muffler assembly fasteners (2) and tighten to 25 Nm (18 lb ft) .


8. Remove the shipping fastening (1) from the flex pipe.


9. Connect the electrical connector (2) to the heated oxygen sensor 2 (1). Refer to Heated Oxygen Sensor Replacement - Sensor 2 .


10. Lower the vehicle.