GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Transmission Heat Shield Replacement

Removal Procedure

    Object Number: 744180 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the front heat shield bolts (2).
  3. Remove the front heat shield (1).
  4. Remove the side heat shield bolt (4) and nut (5).
  5. Remove the side heat shield (3).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 744180 Size: SH
  1. Install the side heat shield (3).
  2. Install the side heat shield bolt (4) and nut (5).

    3. Tighten

        • Tighten the bolt (4) to 17 N·m (13 lb ft).
        • Tighten the nut (5) to 25 N·m (18 lb ft).
  3. Install the front heat shield (1).
  4. Install the front heat shield bolts (2).

    5. Tighten
    Tighten the bolts (2) to 17 N·m (13 lb ft).

  5. Lower the vehicle.