Exhaust Pipe: Service and Repair

EXHAUST PIPE

COMPONENTS (Part 1):

COMPONENTS (Part 2):

REMOVAL

CAUTION:
^ Wear protective gloves when removing the exhaust pipe.
^ The exhaust pipe is extremely hot immediately after the engine has stopped.
^ Confirm that the exhaust pipe has cooled down before removing it.

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE NO. 2 HEATED OXYGEN SENSOR (for Bank 1)
(a) Remove the 5 bolts and engine under cover.
(b) Remove the sensor.

3. REMOVE NO. 2 HEATED OXYGEN SENSOR (for Bank 2)
(a) Remove the sensor.

4. REMOVE TAILPIPE ASSEMBLY
(a) Remove the 4 nuts, 4 bolts, 4 rings, tailpipe and 2 gaskets.
(b) Remove the 2 bolts and 2 baffles from the tailpipe.

5. REMOVE FRONT FLOOR BRACE CENTER
(a) Remove the 4 bolts and floor brace.

6. REMOVE EXHAUST CENTER PIPE ASSEMBLY
(a) Remove the 2 nuts, 2 bolts, 2 rings, exhaust pipe and gasket.

7. REMOVE EXHAUST FRONT PIPE ASSEMBLY
(a) Remove the 4 nuts, 4 bolts, exhaust pipe and 2 gaskets.

8. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY
(a) Remove the 2 bolts and bracket.

9. REMOVE CATALYST CONVERTER ASSEMBLY
(a) Remove the 6 nuts, 2 converters and 2 gaskets.

INSTALLATION

1. INSTALL CATALYST CONVERTER ASSEMBLY
(a) Install 2 new gaskets and the 2 converters with 6 new nuts.
Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf)

2. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY
(a) Install the bracket with the 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

3. INSTALL EXHAUST FRONT PIPE ASSEMBLY
(a) Install 2 new gaskets and the exhaust pipe with the 4 nuts and 4 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

4. INSTALL EXHAUST CENTER PIPE ASSEMBLY
(a) Install a new gasket and the exhaust pipe with the 2 nuts, 2 bolts and 2 rings.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

5. INSTALL FRONT FLOOR BRACE CENTER
(a) Install the floor brace with the 4 bolts.
Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf)

6. INSTALL EXHAUST TAILPIPE ASSEMBLY
(a) Install the 2 baffles to the tailpipe with the 2 bolts.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
(b) Install 2 new gaskets and the tailpipe with the 4 nuts, 4 bolts and 4 rings.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)

7. INSTALL NO. 2 HEATED OXYGEN SENSOR (for Bank 1)
(a) Twist the sensor wire counterclockwise 3.5 turns and install the sensor.
Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf)
(b) After installing the sensor, check that the sensor wire is not twisted.
If it is twisted, remove the sensor and reinstall it.

8. INSTALL NO. 2 HEATED OXYGEN SENSOR (for Bank 2)
(a) Twist the sensor wire counterclockwise 3.5 turns and install the sensor.
Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf)
(b) After installing the sensor, check that the sensor wire is not twisted.
If it is twisted, remove the sensor and reinstall it.

9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
10. PERFORM INITIALIZATION
(a) Perform initialization.

NOTICE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

11. CHECK FOR EXHAUST GAS LEAKS
If gas is leaking, tighten areas as necessary to stop the leak. Replace damaged parts as necessary.