GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Engine 🢒 Engine Exhaust 🢒 Converter Heat Shield Replacement

Removal Procedure
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Notice: To prevent internal damage to the flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.

  2. Suitably support the exhaust system.

    3. Object Number: 372616 Size: SH
  3. Remove the catalytic converter. Refer to Catalytic Converter Replacement or Catalytic Converter Replacement .

    4. Object Number: 195267 Size: SH
  4. Remove the oxygen sensor wiring harness from the catalytic converter heat shield.

    5. Object Number: 289490 Size: SH
  5. Remove the catalytic converter heat shield pop rivets.
  6. Remove the catalytic converter heat shield.

Installation Procedure

    Object Number: 289491 Size: SH
  1. Install the catalytic converter heat shield.
  2. Install the converter heat shield pop rivets.

    3. Object Number: 195267 Size: SH
  3. Install the oxygen sensor wiring harness to the catalytic converter heat shield.

    4. Object Number: 372616 Size: SH
  4. Install the catalytic converter. Refer to Catalytic Converter Replacement or Catalytic Converter Replacement .
  5. Remove the support from the exhaust system.
  6. Lower the vehicle.
  7. Inspect the exhaust system for leaks and underbody contact.