Exhaust Manifold: Installation

1. Install the No. 1 manifold converter insulator with the 4 bolts.

   Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

   Fig 1: Locating Bolts And No. 1 Manifold Converter Insulator

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the No. 2 exhaust manifold heat insulator with the 2 bolts.

   Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

   Fig 2: Locating Bolts And No. 2 Exhaust Manifold Heat Insulator

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install a new gasket.
2. Install the exhaust manifold converter sub-assembly with the 5 nuts in the order shown in the illustration.

   Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf) 

   Fig 3: Locating Exhaust Manifold Converter Sub-Assembly Nuts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the No. 2 manifold stay with the bolt and nut.

   Torque: 44 N*m (449 kgf*cm, 33 ft.*lbf) 

   Fig 4: Locating Bolt, Nut And No. 2 Manifold Stay

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the manifold stay with the bolt and nut.

   Torque: 44 N*m (449 kgf*cm, 33 ft.*lbf) 

1. Install the No. 1 exhaust manifold heat insulator with the 4 bolts.

   Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

   Fig 6: Locating Bolts And No. 1 Exhaust Manifold Heat Insulator

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using a vernier caliper, measure the free length of the compression springs.
   MEASUREMENT CHART
   
   

   Minimum

   41.5 mm (1.63 in.)

   HINT:

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

   Fig 7: Measuring Free Length Of Compression Springs

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the remains of exhaust manifold converter with wire brash.
3. Fully insert a new gasket to the exhaust manifold.
   NOTE:

   • Be sure to install the gasket in the correct direction.
   • Do not reuse the gasket.
   • Do not damage the gasket.
   Fig 8: Identifying Exhaust Manifold And Gasket

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the front exhaust pipe assembly with the 2 bolts and 2 compression springs.

   Torque: 43 N*m (440 kgf*cm, 32 ft.*lbf) 

5. Connect the heated oxygen sensor connector.
   Fig 9: Locating Center Exhaust Pipe Assembly Bolts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using a vernier caliper, measure the free length of the compression springs.
   MEASUREMENT CHART
   
   

   Minimum

   38.5 mm (1.52 in.)

   HINT:

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

   Fig 10: Measuring Free Length Of Compression Springs

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Fully insert a new gasket to the center exhaust pipe assembly.
   NOTE:

   • Be sure to install the gasket in the correct direction.
   • Do not reuse the gasket.
   • Do not damage the gasket.
3. Install a new gasket to the front exhaust pipe assembly.
4. Connect the center exhaust pipe assembly to the 2 exhaust pipe supports.
   Fig 11: Identifying Center Exhaust Pipe Assembly And Gasket

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install the center exhaust pipe assembly with the 4 bolts and 2 compression springs.

   Torque: 43 N*m (440 kgf*cm, 32 ft.*lbf) 

(See INSTALLATION )