Exhaust Pipe And Catalytic Converter: Installation

1. Install a new gasket to the front exhaust pipe assembly.
2. Install the front exhaust pipe assembly with 2 new nuts.

   Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf) 

   Fig 1: Locating Nuts And Front Exhaust Pipe Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the heated oxygen sensor (for bank 2 sensor 2) connector.

1. Install 2 new gaskets to the front No. 3 exhaust pipe sub-assembly.
2. Install the front No. 3 exhaust pipe sub-assembly with 2 new nuts and the 2 bolts.

   Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf) 

   Fig 3: Locating Bolts, Nuts And Front No. 3 Exhaust Pipe Sub-Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the 3 clamps and connect the heated oxygen sensor (for bank 1 sensor 2) connector.
   Fig 4: Locating Clamps And Heated Oxygen Sensor Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Tighten the front exhaust pipe assembly bolt.

   Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

Fig 5: Locating Front Exhaust Pipe Assembly Bolt

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using vernier calipers, measure the free length of the compression spring.
   COMPRESSION SPRING SPECIFICATIONS
   
   

   Minimum

   41.5 mm (1.63 in.)

   HINT:

   If the length is less than the minimum, replace the compression spring.

   Fig 6: Measuring Free Length Of Compression Spring

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using a plastic-faced hammer and wooden block, tap in a new gasket until its surface is flush with the front No. 3 exhaust pipe sub-assembly.
   NOTE:

   • Tap in the gasket in the correct direction.
   • Do not reuse the removed gasket.
   • Do not push in the gasket while installing the center exhaust pipe assembly.
3. Connect the 3 exhaust pipe supports, and install the center exhaust pipe assembly.
   Fig 7: Identifying Wooden Block And Gasket

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the 2 compression springs and 2 bolts.

   Torque: 48 N*m (489 kgf*cm, 35 ft.*lbf) 

Fig 8: Locating Compression Springs And Bolts

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the exhaust pipe damper with the 2 bolts.

   Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) 

Fig 9: Locating Bolts And Exhaust Pipe Damper

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using vernier calipers, measure the free length of the compression spring.
   COMPRESSION SPRING SPECIFICATIONS
   
   

   Minimum

   40.5 mm (1.59 in.)

   HINT:

   If the length is less than the minimum, replace the compression spring.

   Fig 10: Measuring Free Length Of Compression Spring

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using a plastic-faced hammer and wooden block, tap in a new gasket until its surface is flush with the center exhaust pipe assembly.
   NOTE:

   • Tap in the gasket in the correct direction.
   • Do not reuse the removed gasket.
   • Do not push in the gasket while installing the tail exhaust pipe assembly.
3. Connect the exhaust pipe support, and install the tail exhaust pipe assembly.
   Fig 11: Identifying Wooden Block And Gasket

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the 2 compression springs and 2 bolts.

   Torque: 48 N*m (489 kgf*cm, 35 ft.*lbf) 

If exhaust gas is leaking, repair the leak. Replace damaged or worn parts as necessary.