Scion 2005-06

Intake Manifold

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Removal & Installation



1.5L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Relieve the fuel system pressure.
  6.  
  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
     

  8.  
  9. Loosen the intake manifold bolts and nuts, using several passes, in the sequence shown.
  10.  
  11. Remove the intake manifold and gasket.

    Click image to see an enlarged view

    Fig. Intake manifold removal sequence-1.5L Engine

  12.  

To install:

  1. Install the intake manifold with a new gasket.
  2.  
  3. In several steps, tighten the mounting bolts and nuts in the sequence shown to 22 ft. lbs. (30 Nm).

    Click image to see an enlarged view

    Fig. Intake manifold torque sequence-1.5L Engine

  4.  
  5. Install or connect the following:

    Exhaust manifold
     
    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
     
    Radiator hose
     
    Brake booster check valve hose
     
    Fuel tube to the fuel supply hose
     
    Accelerator control cable
     
    Engine undercover
     
    Front wheel
     
    Engine appearance cover
     
    Air intake assembly
     
    Negative battery cable
     

  6.  
  7. Refill the cooling system to the correct level.
  8.  
  9. Start the engine and check for leaks.
  10.  

 
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