Metro, Prizm 2000-2002

Exhaust Manifold

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Removal & Installation



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Heated Oxygen (HO 2 S) sensor and sub-oxygen sensor
     
    Front exhaust pipe from the exhaust manifold
     
    Exhaust manifold support bracket
     
    Exhaust manifold upper heat shield
     
    Exhaust manifold
     
    Lower heat shield from the exhaust manifold, if necessary
     

  4.  

To install:

  1. Install or connect the following:

    Lower heat shield, if removed, and torque the bolts to 11 ft. lbs. (15 Nm)
     
    Exhaust manifold with a new gasket and torque the bolts to 36 ft. lbs. (48 Nm)
     
    Exhaust manifold upper heat shield and torque the bolts to 11 ft. lbs. (15 Nm)
     
    Exhaust manifold support bracket and torque the bolts to 24 ft. lbs. (32 Nm)
     
    Front pipe to the exhaust manifold and torque the bolts to 46 ft. lbs. (62 Nm)
     
    HO 2 sensor and torque the fasteners to 30 ft. lbs. (41 Nm)
     
    Negative battery cable
     

  2.  
  3. Start the vehicle and check for exhaust leaks, repair if necessary.
  4.  

1.0L Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Front pipe from the exhaust manifold
     
    Heated Oxygen (HO 2 S) sensor
     
    Exhaust manifold heat shield
     
    Exhaust manifold
     

  4.  

To install:

  1. Install or connect the following:

    Exhaust manifold with a new gasket and torque the bolts to 17 ft. lbs. (23 Nm)
     
    Exhaust manifold heat shield and torque the bolts to 11 ft. lbs. (15 Nm)
     
    Front pipe to the exhaust manifold with a new seal and torque the bolts to 33 ft. lbs. (45 Nm)
     
    HO 2 S and torque the bolts to 33 ft. lbs. (45 Nm)
     
    Negative battery cable
     

  2.  
  3. Start the vehicle and check for exhaust leaks, repair if necessary.
  4.  

1.3L Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Front pipe from the exhaust manifold
     
    Exhaust manifold stiffener bracket
     
    Oxygen (O 2 S) sensor electrical connector
     
    Exhaust manifold heat shield
     
    Low side A/C line bracket and position aside, if equipped
     
    Exhaust manifold
     

  4.  

To install:

  1. Install or connect the following:

    Exhaust manifold with a new gasket and torque the bolts to 24 ft. lbs. (32 Nm)
     
    Exhaust manifold heat shield and torque the bolts to 11 ft. lbs. (15 Nm)
     
    Low side A/C line bracket, if equipped and torque the bolts to 11 ft. lbs. (15 Nm)
     
    Exhaust manifold stiffener bracket and torque the bolts to 37 ft. lbs. (50 Nm)
     
    Front pipe and torque the bolts to 37 ft. lbs. (50 Nm)
     
    O 2 S electrical connector
     
    Negative battery cable
     

  2.  

 
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