GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1996 🢒 Grand Prix 🢒 Engine 🢒 Engine Exhaust 🢒 Catalytic Converter Replacement

Removal Procedure
  1. Raise and suitably support the vehicle.

    2. Object Number: 32999 Size: SH
  2. Remove the bolts and the springs from the manifold.

    3. Object Number: 33009 Size: SH
  3. Remove the bolts from the intermediate exhaust pipe to the three way catalytic converter.
  4. Remove the catalytic converter.

Installation Procedure

    Object Number: 33009 Size: SH
  1. Install the three way catalytic converter.N·m
  2. Install the intermediate exhaust pipe end bolts to the three way catalytic converter.

    3. Object Number: 32999 Size: SH
  3. Install the bolts and springs to the manifold.

    4. Tighten

        • Tighten the bolts to the manifold to 32 N·m (24 lb ft).
        • Tighten the bolts to the three way catalytic converter to 47 N·m (35 lb ft).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Lower the vehicle.