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3MZ-FE Exhaust Pipe: Installation

  1. INSTALL EXHAUST PIPE ASSEMBLY FRONT 
    1. Install the exhaust pipe front and a new gasket with 2 new nuts.

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

      Fig 1: Installing Exhaust Pipe Assembly Front
      G04111664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL EXHAUST PIPE SUB-ASSEMBLY FRONT NO. 3 
    1. Install 2 new gaskets and the exhaust pipe front No.3 with the 2 bolts and 2 new nuts.

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

      Fig 2: Installing Exhaust Pipe Sub-Assembly Front No. 3
      G04111665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL EXHAUST PIPE ASSEMBLY CENTER 
    1. Inspect the compression spring.
      1. Using vernier calipers, measure the free length of the compression spring.

        Minimum length: 41.5 mm (1.634 in.) 

        HINT:

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

        Fig 3: Measuring Free Length Of Compression Spring Using Vernier Calipers
        G04111666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully insert a new gasket to the exhaust pipe subassembly front No. 3.
    3. Using a plastic hammer, uniformly strike the gasket so that the gasket and exhaust pipe front No. 3.
      NOTE:
      • Be careful with the installation direction of the gasket.
      • Do not reuse the gasket.
      • To ensure a proper seal, do not use the exhaust pipe to press the gasket onto the exhaust pipe front No. 3.
      Fig 4: Identifying Exhaust Pipe Center And Exhaust Pipe Tail
      G04111667Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the damper with the 2 bolts.

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

    5. Connect the exhaust pipe center to connect the exhaust pipe supports.
    6. Tighten the 2 bolts and 2 compression springs.

      Torque: 48 N*m (490 kgf*cm, 35 ft.*lbf) 

      Fig 5: Installing Exhaust Pipe Assembly Center
      G04111668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL EXHAUST TAIL PIPE BAFFLE SUBASSEMBLY 
    1. Align the keyway of the tall pipe baffle with the protruding part of the exhaust pipe tail as shown in the illustration.
    2. Using a plastic hammer, uniformly tap in the baffle.
      Fig 6: Aligning Keyway With Protruding Part
      G04111669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL EXHAUST PIPE ASSEMBLY TAIL 
    1. Inspect the compression spring.
      1. Using vernier calipers, measure the free length of the compression spring.

        Minimum length: 40.5 mm (1.594 in.) 

        HINT:

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

        Fig 7: Measuring Free Length Of Compression Spring
        G04111670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully insert a new gasket to the exhaust pipe center.
    3. Using a plastic hammer, uniformly strike the gasket so that the gasket and front exhaust pipe center are properly fit.
      NOTE:
      • Be careful with the installation direction of the gasket.
      • Do not reuse the gasket.
      • To ensure a proper seal, do not use the exhaust pipe tail to press the gasket onto the exhaust pipe center.
      Fig 8: Identifying Exhaust Pipe Center And Exhaust Pipe Tail
      G04111671Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the exhaust pipe tail to the exhaust pipe supports.
    5. Tighten the 2 bolts and 2 compression springs.

      Torque: 48 N*m (490 kgf*cm, 35 ft.*lbf) 

      Fig 9: Installing Exhaust Pipe Assembly Tail
      G04111672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL OXYGEN SENSOR (for Bank2) (See step 2 in  INSTALLATION  ) 
  7. INSTALL OXYGEN SENSOR (for Bank1) (See  INSTALLATION  ) 
  8. CHECK FOR EXHAUST GAS LEAKS 
  9. INSTALL ENGINE UNDER COVER NO. 2 
  10. INSTALL ENGINE UNDER COVER NO. 1