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Home >> Chevrolet >> 1981 >> Corvette Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Catalytic Converters >> Service >> Shell Replacement (General Motors Only)
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Shell Replacement (General Motors Only)

  1. Remove bottom cover by making a shallow, close cut to bottom outside edge.
    NOTE: A shallow cut is required to avoid damage to inner shell.
    Fig 1: Removal of Converter Bottom Cover on General Motors Vehicles Only
    G09317719Courtesy of GENERAL MOTORS COMPANY
  2. Remove insulation and check inner shell for damage. If damage is found, entire converter must be replaced.
  3. If no damage is found, position new insulation into replacement cover. Apply suitable sealer (8998245 or equivalent) around edge of cover, using extra sealer at front and rear pipe openings.
  4. Install replacement cover on converter and position retaining channel along edges. Complete the installation by attaching clamps (provided with replacement cover) to both ends of converter.
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