Scion 2005-06

Exhaust Manifold


Removal & Installation

1.5L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  3. Drain the cooling system.
  5. Relieve the fuel system pressure.
  7. Remove or disconnect the following:

    Negative battery cable
    Air intake assembly
    Engine appearance cover
    Right-hand front wheel
    Engine undercover
    Accelerator control cable
    Fuel tube from the fuel supply hose
    Brake booster check valve hose
    Radiator hose
    Heater hose
    Radiator filler hose
    Front exhaust pipe
    Exhaust manifold support bracket
    Exhaust manifold heat shield
    Exhaust manifold and gasket


To install:

Exhaust manifold

  1. Install the exhaust manifold with a new gasket. Tighten the bolts in sequence to 20 ft. lbs. (27 Nm).

    Click image to see an enlarged view

    Fig. Exhaust manifold torque sequence-1.5L Engine

  3. Install or connect the following:

    Exhaust manifold heat shield. Tighten to 71 inch lbs. (8 Nm).
    Exhaust manifold support bracket. Tighten to 32 ft. lbs. (44 Nm).
    Front exhaust pipe. Tighten to 32 ft. lbs. (43 Nm).
    Radiator filler hose. Tighten support bracket to 66 inch lbs. (7.5 Nm).
    Heater hose