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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Heat Shield Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Installing Catalytic Converter Heat Shield & Rivets
    GM289491Courtesy of GENERAL MOTORS CORP.
  1. Install the catalytic converter heat shield.
  2. Install the converter heat shield rivets.
  3. Fig 2: HO2S Wiring Harness At Catalytic Converter Heat Shield
    GM195267Courtesy of GENERAL MOTORS CORP.
  4. Install the heated oxygen sensor (HO2S) wiring harness (3) to the catalytic converter heat shield (4).
  5. Install the catalytic converter. Refer to Catalytic Converter Replacement (3.4L)  or Catalytic Converter Replacement (3.8L) .
  6. Remove the support from the exhaust system.
  7. Lower the vehicle.
  8. Inspect the exhaust system for leaks.