FixVault

Removal Procedure

  1. Raise the vehicle. Support the vehicle.
  2. Remove the Heated Oxygen Sensor 1 (2). Refer to UPSTREAM HEATED OXYGEN SENSOR .

    Remove the following components from the exhaust manifold:

    • The 2 bolts
    • The 2 springs

  3. Remove the 1 bolt and the clamp (3) which secures the front pipe to the Three Way Catalytic Converter (TWC). Remove the front pipe from the vehicle.
  4. Clean the gasket and seal the mating surfaces.
    Fig 1: Removing 1 Bolt And Clamp
    G01712220Courtesy of GENERAL MOTORS CORP.