Exhaust Manifold Installation

Engine Hybrid System. Corolla. Zre142 Aze141
2Zr-Fe Intake Exhaust. Corolla. Zre142 Aze141

  1. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

  2. INSTALL EXHAUST MANIFOLD

  3. INSTALL MANIFOLD STAY

  4. INSTALL FRONT EXHAUST PIPE ASSEMBLY

  5. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

  6. INSTALL AIR FUEL RATIO SENSOR

  7. INSPECT FOR EXHAUST GAS LEAK

Exhaust Manifold -- Installation



1. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
  1. Install the No. 2 exhaust manifold heat insulator with the 3 bolts.

    Torque:
    12 N*m{122 kgf*cm, 9 ft.*lbf}


2. INSTALL EXHAUST MANIFOLD
  1. Install a new exhaust manifold gasket.

  1. Install the exhaust manifold with the 5 nuts.

    Torque:
    37 N*m{377 kgf*cm, 27 ft.*lbf}


3. INSTALL MANIFOLD STAY
  1. Install the manifold stay with the 3 bolts.

    Torque:
    43 N*m{438 kgf*cm, 32 ft.*lbf}
  1. Install the 2 drive shaft heat insulator sub-assemblies with the 2 nuts.

    Torque:
    18 N*m{184 kgf*cm, 13 ft.*lbf}


4. INSTALL FRONT EXHAUST PIPE ASSEMBLY


    Corolla. Zre142 Aze141
  1. Using a vernier caliper, measure the free length of the compression springs.

    Minimum (front)
    41.5 mm (1.64 in.)
    Minimum (rear)
    38.5 mm (1.52 in.)
    HINT:
    If the free length is less than the minimum, replace the compression spring.
  1. Fully insert 2 new gaskets to the exhaust manifold and front exhaust pipe assembly.



    Corolla. Zre142 Aze141.2Zr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using a plastic hammer and wooden block, tap in each gasket until its surface is flush with the exhaust manifold and front exhaust pipe assembly.

    Text in Illustration
    *1
    Exhaust Manifold and Front Exhaust Pipe Assembly
    *2
    Gasket
    *3
    Wooden Block
    NOTICE:
    1. Be careful with the installation direction of the gaskets.
    2. Do not reuse the gaskets.
    3. Do not damage the gaskets.
    4. Do not push in the gaskets by using the exhaust pipe when connecting it.
  1. Connect the front exhaust pipe assembly to the 2 exhaust pipe supports.

  1. Install the front exhaust pipe assembly with the 4 bolts and 4 compression springs.

    Torque:
    43 N*m{440 kgf*cm, 32 ft.*lbf}
  1. Connect the heated oxygen sensor connector.



5. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
  1. Install the No. 1 exhaust manifold heat insulator with the 4 bolts.

    Torque:
    12 N*m{122 kgf*cm, 9 ft.*lbf}


6. INSTALL AIR FUEL RATIO SENSOR
(COROLLA_ZRE142 RM00000306Q01AX.html)


7. INSPECT FOR EXHAUST GAS LEAK