GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Cutlass 🢒 Engine 🢒 Engine Controls - 2.4L 🢒 Catalytic Converter Replacement

Removal Procedure
  1. Raise the vehicle.
  2. Support the three way catalytic converter.

    3. Object Number: 25271 Size: SH
  3. Remove the intermediate pipe from the three way catalytic converter.

    4. Object Number: 25280 Size: SH
  4. Remove the exhaust manifold pipe assembly from the exhaust manifold.
  5. Remove the exhaust manifold seal and the three way catalytic converter seal.
  6. Clean the flange surfaces.

Installation Procedure

    Object Number: 25280 Size: SH
  1. Install the exhaust manifold seal and the three way catalytic converter seal.
  2. Install the exhaust manifold pipe assembly to the exhaust manifold.

    3. Object Number: 25271 Size: SH
  3. Install the intermediate pipe to the three way catalytic converter.
  4. Lower the vehicle.