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Shell Replacement

  1. Remove bottom cover by making a shallow cut close to bottom outside edge. See Figure . A shallow cut is required to avoid damage to inner shell.
    Fig 1: Removing Catalytic Converter Bottom Cover Bottom cover can be replaced on General Motors vehicles only.
    G13019
  2. Remove insulation and check inner shell for damage. If damage to inner shell is found, entire catalytic converter must be replaced.
  3. If no damage is found, position new insulation into replacement cover. Apply a heat resistant sealer around edge of cover, using extra sealer at front and rear of pipe openings.
  4. Install replacement cover on converter and position retaining channel along edges. Complete installation by attaching clamps, provided with replacement cover, to both ends of converter.
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