Corolla 2006-2007

Intake Manifold

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Drive belt and alternator
     
    Air intake duct
     
    Accelerator cable
     
    Exhaust pipe from the manifold.
     
    Exhaust manifold support bracket
     
    Ignition coils
     
    Spark plugs
     
    PCV hoses
     
    Throttle body assembly
     
    2 bolts securing the wiring harness protector
     
    Wiring connectors and ground wires
     
    Intake manifold support bracket
     
    Intake manifold and gasket

    Click image to see an enlarged view

    Fig. Intake manifold mounting fastener locations-1.8L (1ZZ-FE) engine

     

  6.  

To install:

  1. Install or connect the following:

    Intake manifold with a new gasket. Torque the bolts to 14 ft. lbs. (18.5 Nm).
     
    Harness wiring to the cylinder head and harness protector
     
    Fuel injectors, throttle body and the PCV hoses
     
    Spark plugs and ignition coils. Bolts and nuts: 80 inch lbs. (9 Nm).
     
    Exhaust manifold and support bracket. Bolts: 37 ft. lbs. (49 Nm).
     
    Front exhaust pipe to the manifold. Bolts: 46 ft. lbs. (62 Nm).
     
    Oxygen sensor. Nuts: 14 ft. lbs. (20 Nm).
     
    Accelerator cable and air intake duct
     
    Alternator and drive belt
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the vehicle, check for leaks and repair if necessary.
  6.  

2ZZ-GE Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Drive belt and alternator
     
    Air intake duct
     
    Accelerator cable
     
    Spark plug wires, then ignition coils
     
    Spark plugs
     
    PCV hoses
     
    Throttle body assembly
     
    Wiring harness
     
    Hoses and tubes connected to the head
     
    Intake manifold support bracket
     
    Intake manifold and gasket
     

  6.  

To install:

  1. Install or connect the following:

    Intake manifold with a new gasket. Bolts A: 20 ft. lbs. (27 Nm); bolt B: 34 ft. lbs. (46 Nm)
     
    Harness wiring to the cylinder head and harness protector
     
    Fuel injectors, throttle body and the PCV hoses
     
    Spark plugs and ignition coils. Bolts and nuts: 80 inch lbs. (9 Nm)
     
    Oxygen sensor. Nuts: 14 ft. lbs. (20 Nm).
     
    Accelerator cable and air intake duct
     
    Alternator and drive belt
     
    Negative battery cable
     



    Click image to see an enlarged view

    Fig. Intake manifold bolt installation-2ZZ-GE engine

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the vehicle, check for leaks and repair if necessary.
  6.  

 
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