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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1771 (Engine Exhaust) >> Repair Instructions >> Exhaust Manifold Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Disconnecting Front 02 Sensor Electrical Connector At Side Of Engine
    GM960298Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the front 02 sensor from the connector at the side of the engine.
  2. Remove front 02 sensor using J 39119 .
    3. Fig 2: Coolant Pipe/Engine Lift Bracket Bolt
    GM896501Courtesy of GENERAL MOTORS CORP.
  3. Remove the coolant extension pipe and engine lift bracket bolt.
  4. Remove the oil level indicator and tube.
    5. Fig 3: Front Oxygen Sensor & Front Exhaust Manifold
    GM896469Courtesy of GENERAL MOTORS CORP.
  5. Remove the upper exhaust manifold nuts to cylinder head.
  6. Raise the vehicle.
  7. Remove the front down pipe assembly. Refer to Exhaust Manifold Pipe Replacement (L81)  or Exhaust Manifold Pipe Replacement (L61) .
  8. Remove the right hand splash shield.
    9. Fig 4: Using 15 mm Wrench To Rotate Tensioner Pulley Clockwise
    GM898882Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Complete accessory drive belt (right hand mount) removal is not required. Only removal of the belt from the pulleys is required.
  9. Loosen the accessory drive belt from the pulleys.
    10. Fig 5: Disconnecting Electrical Connector At A/C Compressor & Pressure Transducer
    GM960236Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the electrical connector at the A/C compressor and pressure transducer.
    11. Fig 6: Compressor Bolts & Engine
    GM932593Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The A/C system will not need to be evacuated. The A/C compressor and lines will remain connected throughout this procedure.
  11. Remove the A/C compressor to A/C bracket bolts.
  12. Remove the A/C compressor and support it with the straps. Position the compressor away from the exhaust manifold assembly.
    13. Fig 7: Exhaust Manifold Assembly
    GM946718Courtesy of GENERAL MOTORS CORP.
  13. Remove the exhaust manifold nuts.
  14. Remove the exhaust manifold assembly.
  15. Remove the exhaust manifold gasket.
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