LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 707 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Replacement (RPO LSJ) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Catalytic Converter
    GM1650775Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW gasket onto the exhaust manifold studs.
  2. Install the catalytic converter.
    3. NOTE: Refer to Fastener Notice .
  3. Install the catalytic converter pipe to exhaust manifold nuts.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

    4. Fig 2: Identifying Catalytic Converter And Muffler Pipe
    GM1650812Courtesy of GENERAL MOTORS CORP.
  4. Install a NEW gasket onto the muffler pipe studs.
  5. Pull the muffler pipe rearward and up until the studs are installed to the catalytic converter.
  6. Remove the catalytic converter to muffler pipe nuts.

    Tighten:  Tighten the nuts to 30 N.m (22 lb ft).

    7. Fig 3: Identifying HO2S
    GM1650820Courtesy of GENERAL MOTORS CORP.
  7. If reinstalling the old HO2S, coat the threads with anti-seize compound, Saturn P/N 21485279 or equivalent.
  8. Install the HO2S.

    Tighten:  Tighten the sensor to 42 N.m (31 lb ft).

    9. Fig 4: Identifying Wheel Drive Shaft Heat Shield
    GM1650818Courtesy of GENERAL MOTORS CORP.
  9. Route the HO2S lead (1) through the heat shield trough (2), once done bend the trough until the HO2S lead is secured.
  10. Lower the vehicle.
    11. Fig 5: View Of HO2S & Electrical Connector
    GM1389438Courtesy of GENERAL MOTORS CORP.
  11. Connect the HO2S lead (2) to the engine harness electrical connector.
  12. Install the HO2S CPA retainer.
scientia non olet · About LEMON Manuals