Exhaust Manifold Installation


  1. INSTALL EXHAUST MANIFOLD

  2. INSTALL MANIFOLD STAY

  3. INSTALL FRONT EXHAUST PIPE ASSEMBLY

  4. INSTALL AIR SWITCHING VALVE ASSEMBLY

  5. INSTALL FRONT NO. 1 FENDER APRON TO FRAME SEAL RH

  6. INSTALL FRONT FENDER APRON SEAL RH

  7. CHECK FOR EXHAUST GAS LEAK

Exhaust Manifold -- Installation



1. INSTALL EXHAUST MANIFOLD


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Install a new gasket.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.2Tr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Install the exhaust manifold with 8 new nuts in the order shown in the illustration.

    Torque:
    36 N*m{367 kgf*cm, 27 ft.*lbf}


2. INSTALL MANIFOLD STAY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.2Tr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Install the manifold stay with the 3 bolts.

    Torque:
    for bolt A:
    71 N*m{724 kgf*cm, 52 ft.*lbf}
    for bolt B:
    44 N*m{449 kgf*cm, 32 ft.*lbf}
    for bolt C:
    30 N*m{360 kgf*cm, 22 ft.*lbf}


3. INSTALL FRONT EXHAUST PIPE ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Using a vernier caliper, measure the free length of the compression spring.

    Minimum free length:
    41.5 mm (1.63 in.)
    If the free length is less than the minimum, replace the compression spring.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.2Tr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using a plastic-faced hammer and wooden block, tap in a new gasket until its surface is flush with the exhaust manifold.

    Text in Illustration
    *1
    Gasket
    *a
    Wooden Block
    NOTICE:
    1. Be sure to install the gasket so that it faces the correct direction.
    2. Do not reuse the gasket.
    3. Do not damage the gasket.
    4. When connecting the front exhaust pipe assembly, do not push in the gasket with the front exhaust pipe assembly.
  1. Install a new gasket.

  1. Connect the front exhaust pipe assembly to the exhaust pipe support.

  1. Install the front exhaust pipe assembly to the exhaust manifold with the 2 compression springs and 2 bolts. Alternately tighten the bolts in several passes.

    Torque:
    43 N*m{438 kgf*cm, 32 ft.*lbf}
  1. Connect the front exhaust pipe assembly to the center exhaust pipe assembly with the 2 bolts.

    Torque:
    48 N*m{489 kgf*cm, 35 ft.*lbf}
  1. Connect the air fuel ratio sensor connector and attach the wire harness clamp.

  1. Connect the heated oxygen sensor connector and attach the wire harness clamp.



4. INSTALL AIR SWITCHING VALVE ASSEMBLY
(LandCruiser RM000001I5S00OX.html)


5. INSTALL FRONT NO. 1 FENDER APRON TO FRAME SEAL RH
  1. Install the front No. 1 fender apron to frame seal RH with the 5 clips.



6. INSTALL FRONT FENDER APRON SEAL RH
  1. Install the front fender apron seal RH with the 5 clips.



7. CHECK FOR EXHAUST GAS LEAK
If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.
HINT:
If an exhaust gas leak has been repaired, perform an inspection following the repair (LandCruiser RM000004NJC03XX.html).