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Home >> Chevrolet >> 2004 >> Classic >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Replacement (2.2L) >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

    Fig 1: Locating Exhaust Manifold To Flex Decoupler Nuts
    GM783174Courtesy of GENERAL MOTORS CORP.
  1. Install the exhaust manifold seal (2) and the 3-way catalytic converter seal.
  2. If the oxygen sensor was previously removed, install the oxygen sensor.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the exhaust flex decoupler (4) to the exhaust manifold (1).

    Tighten:  Tighten the nuts to 35 N.m (26 lb ft).

    4. Fig 2: View of Intermediate Pipe and 3-Wat Catalytic Converter
    GM25271Courtesy of GENERAL MOTORS CORP.
  4. Connect the intermediate pipe to the 3-way catalytic converter.

    Tighten:  Tighten the bolts to 34 N.m (25 lb ft).

  5. Connect the oxygen sensor harness connector.
  6. Lower the vehicle.
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