LEMON Manuals: Even more car manuals for everyone
Home >> Pontiac >> 2007 >> Torrent FWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Replacement >> Removal Procedure

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. Fig 1: View Of HO2S 2 & Harness Connector
    GM1370518Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the Heated Oxygen Sensor (HO2S) connector (2) from the wiring harness (3).
    3. Fig 2: View Of Gasket & Exhaust Pipe
    GM926819Courtesy of GENERAL MOTORS CORP.
  3. Remove the catalytic converter pipe flange to exhaust system pipe flange nuts.
  4. Separate the pipes and discard the gasket.
    5. IMPORTANT: Catalytic converter flex coupler must NEVER be deflected more than 6 degrees or failure of flex coupler could result.
    Fig 3: View Of Catalytic Converter & Nuts
    GM1370519Courtesy of GENERAL MOTORS CORP.
  5. Remove the nuts (3) securing the catalytic converter (4) to the exhaust manifold.
  6. Separate the catalytic converter flange from the exhaust manifold and discard the gasket (2).
    7. Fig 4: View Of Hanger From The Rubber Isolators
    GM926825Courtesy of GENERAL MOTORS CORP.
  7. Separate the catalytic converter hanger from the rubber isolator and remove the catalytic converter from the vehicle.
    8. Fig 5: View Of Exhaust Manifold Studs
    GM1370520Courtesy of GENERAL MOTORS CORP.
  8. Remove the exhaust manifold studs (1) if worn or damaged.
  9. If replacing the catalytic converter, remove the HO2S. Refer to Heated Oxygen Sensor 1 Replacement .
scientia non olet · About LEMON Manuals