GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Engine 🢒 Engine Exhaust 🢒 Catalytic Converter Brace Replacement

Removal Procedure

    Object Number: 105359 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support exhaust system with suitable jack.
  3. Remove four nuts at the exhaust downpipe to catalytic converter.

    4. Object Number: 105365 Size: SH
  4. Remove two bolts securing the bracket to the frame.
  5. Remove the catalytic converter support bracket.

Installation Procedure

    Object Number: 105365 Size: SH
  1. Install the catalytic converter support bracket.

    2. 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.

  2. Install the two bolts securing the bracket to the frame.

    3. Tighten
    Tighten the bolts to 27 N·m (20 lb ft).


    Object Number: 105359 Size: SH
  3. Install four nuts securing the downpipe to the catalytic converter.
  4. Lower the vehicle.