Muffler: Service and Repair

EXHAUST PIPE AND MAIN MUFFLER REMOVAL AND INSTALLATION
The exhaust pipe is divided into three parts: the front pipe, the center pipe, and the main muffler.

REMOVAL
Pre-removal -- Remove under cover

Main Muffler Removal Steps
1. Main muffler assembly
2. Gasket
3. Hanger
4. Tail hanger
5. Rear hanger
6. Rear floor heat protector panel

Center Exhaust Pipe Removal Steps
7. Heated oxygen sensor connection
- The exhaust manifold threads must be cleaned with a 18 mm (0.7 in) x 1.5 +6E tap after the heated oxygen sensor has been removed.
- If reusing the original sensor, coat the sensor threads with an antiseize compoound such as loctite 771-64 or equivalent. New sensors have compound on the threads and do not require an additional coating.
8. Center exhaust pipe
9. Gasket
10. Hanger protector
11. Hanger
12. Hanger bracket

Catalytic Converter Removal Steps
13. Catalytic converter
14. Gasket
15. Catalytic converter bracket
16. Hanger protector
17. Hanger
18. Front hanger
19. Front floor neat protector panel

Front Exhaust Pipe Removal Steps
20. Air pipe assembly connection
21. Pulsed secondary air injection valve
22. Heated oxygen sensor connection
- The exhaust manifold threads must be cleaned with a 18 mm (0.7 in) x 1.5 +6E tap after the heated oxygen sensor has been removed.
- If reusing the original sensor, coat the sensor threads with an antiseize compoound such as loctite 771-64 or equivalent. New sensors have compound on the threads and do not require an additional coating.
23. Front exhaust pipe
24. Gasket

INSTALLATION
Reverse procedure to install.