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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 809 (Engine Exhaust System) >> Repair Instructions >> Exhaust Seal Replacement >> Removal Procedure

Removal Procedure

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  1. Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Disconnect the connector position assurance (CPA) retainer.
  3. Disconnect the oxygen sensor electrical connector (1).
    4. Fig 1: Removing Oxygen Sensor Electrical Connector
    G02119424Courtesy of GENERAL MOTORS CORP.
  4. Support the catalytic converter or exhaust manifold pipe with adjustable jackstands.
  5. Remove the right exhaust manifold pipe nuts.
    6. Fig 2: Removing Right Exhaust Manifold Pipe Nuts
    G02119425Courtesy of GENERAL MOTORS CORP.
  6. Remove the left exhaust manifold pipe nuts.
    7. Fig 3: Removing Left Exhaust Manifold Pipe Nuts
    G02119426Courtesy of GENERAL MOTORS CORP.
  7. Remove the exhaust hanger mounting bracket bolts.
  8. Lower the catalytic converter or exhaust manifold pipe using the adjustable jackstands.
  9. Remove the exhaust manifold pipe seal(s).
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