FixVault

Installation Procedure

  1. Install the right pre-catalytic converter heated oxygen sensor (HO2S) to the right catalytic converter. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 .
  2. Fig 1: Right Catalytic Converter
    GM1949681Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Make sure that a NEW sealing ring is fitted prior to installation. Failure to comply may cause the exhaust system to perform poorly.

  3. Install the right catalytic converter (1) to the vehicle.
  4. Fig 2: Intermediate Exhaust Assembly To Catalytic Converter Retaining Nuts
    GM1947044Courtesy of GENERAL MOTORS COMPANY
  5. Align the exhaust crossover pipe assembly (2) to the right catalytic converter (1).
  6. CAUTION:

    Refer to Fastener Caution .

  7. Install the exhaust crossover pipe assembly to right catalytic converter retaining nuts (3) and tighten to 40 N.m (30 lb ft).
  8. Fig 3: Right Pre-Catalytic Converter Heated Oxygen Sensor (HO2S) Electrical Connector
    GM1950736Courtesy of GENERAL MOTORS COMPANY
  9. Connect the right pre-catalytic converter HO2S electrical connector (1).
  10. Fig 4: Right Catalytic Converter To Exhaust Manifold Retaining Nuts
    GM1949711Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Push up and forward on the right catalytic converter (2) to connect to the exhaust manifold (3).

  11. Connect the right catalytic converter (2) to the exhaust manifold (1).
  12. NOTE:

    Do not fully tighten the right catalytic converter to exhaust manifold retaining nuts (3) at this stage.

  13. Install the right catalytic converter to exhaust manifold retaining nuts (3).

    Do not fully tighten at this stage.

  14. Lower the vehicle.
  15. Tighten the right catalytic converter to exhaust manifold retaining nuts (1) to 45 N.m (33 lb ft).
  16. Make sure the exhaust system is clear of all other components and chassis. If the exhaust system is not clear of all the other components loosen all retaining nuts and re-align. Refer to Exhaust System Alignment .
  17. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .