GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Engine 🢒 Engine Exhaust 🢒 Catalytic Converter Heat Shield Replacement

Removal Procedure

    Object Number: 1553099 Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  2. Remove the heated oxygen sensor (HO2S) wiring harness from the clips on the catalytic converter heat shield.

    3. Object Number: 1553100 Size: SH
  3. Drill out the catalytic converter heat shield rivets.
  4. Remove the catalytic converter heat shield.

Installation Procedure

    Object Number: 1553100 Size: SH
  1. Position the catalytic converter heat shield to the underbody.
  2. Install NEW catalytic converter heat shield rivets.

    3. Object Number: 1553099 Size: SH
  3. Install the HO2S wiring harness from the clips on the catalytic converter heat shield.
  4. Install the catalytic converter. Refer to Catalytic Converter Replacement .