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Exhaust Pipe: Installation

WARNING: This page is about a different car, the 2007 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL TAIL EXHAUST PIPE ASSEMBLY 
    1. Connect the 6 exhaust pipe supports to install the exhaust pipe.
  2. INSTALL FRONT TWC 
    1. Install 2 new gaskets to the 2 TWCs.
      NOTE: Do not reuse the gaskets.
      Fig 1: Locating Exhaust Pipe Supports
      G05287427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the 2 TWCs to the exhaust manifold with the 6 nuts.

      Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf) 

    Fig 2: Locating Propeller With Center Bearing Shaft Assembly
    G05287429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSEMBLY 
    1. Install the support bracket with the 2 bolts.

      Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf) 

    Fig 3: Locating Support Bracket With Bolts
    G05287428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL FRONT EXHAUST PIPE ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the compression spring.

      Minimum length: 

      38.5 mm (1.516 in.) 

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

      Fig 4: Measuring Compression Springs With Vernier Calipers
      G05239315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install a new gasket to the rear side of the front exhaust pipe.

      HINT:

      Using a plastic-faced hammer, uniformly strike the gasket so that the gasket and front exhaust pipe 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 tailpipe to force the gasket onto the front exhaust pipe.
      Fig 5: Identifying Gasket To Rear Side Of Front Exhaust Pipe
      G05287417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install 2 new gaskets and the 2 TWCs with the 4 bolts.
      Fig 6: Locating Gaskets And TWCs With Bolts
      G05287426Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf) 

      NOTE: Do not reuse the gaskets.
    4. Install the front exhaust pipe to the tail exhaust pipe with the 2 compression springs and 2 bolts.

      Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf) 

  5. INSTALL HEATED OXYGEN SENSOR (for Sensor 2) 
    1. Install the sensor (see INSTALLATION ).
  6. INSTALL REAR NO. 1 FLOOR PANEL BRACE 
    1. Install the panel brace with the 4 bolts.

      Torque: 19 N*m (195 kgf*cm, 14 ft.*lbf) 

    Fig 7: Locating Panel Brace With 4 Bolts
    G05287425Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL FRONT FLOOR BRACE CENTER 
    1. Install the floor brace with the 4 bolts.
      Fig 8: Locating Floor Brace With 4 Bolts
      G05287424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.4 N*m (75 kgf*cm, 65 in.*lbf) 

  8. CHECK FOR EXHAUST GAS LEAKS 

    If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

  9. INSTALL NO. 2 ENGINE UNDER COVER 
  10. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.