GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Envoy - 4WD 🢒 Engine 🢒 Engine Exhaust 🢒 Catalytic Converter Heat Shield Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 753689 Size: SH
  2. Remove the 5 bolts securing the heat shield to the floor panel studs.
  3. Remove the heat shield from the vehicle.

Installation Procedure

    Object Number: 753689 Size: SH
  1. Place the catalytic converter heat shield onto the floor panel studs.

    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. Secure the heat shield with the 5 bolts.

    3. Tighten
    Tighten the catalytic converter heat shield bolts to 7 N·m (62 lb in).

  3. Lower the vehicle.