GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Tahoe - 4WD 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Drive Motor Generator Control Module Sight Shield Replacement

Removal

    Object Number: 1971274 Size: SH
  1. Remove the fender brace. Refer to Front Fender Rear Upper Bracket Replacement .

    2. Important: Removing the sight shield disengages the High Voltage Interlock Circuit (HVIC). The sight shield mounting fastener must be installed and properly tightened for the HVIC to be closed. Failure to properly tighten the sight shield fastener may result in an open HVIC condition and DTCs.

  2. Loosen the sight shield fastener (1) and lift the sight shield from the ball studs (2).

    3. Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

    The High Voltage Disabling procedure will perform the following tasks:

       • Identify how to disable high voltage.
       • Identify how to test for the presence of high voltage.
       • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.
    Failure to follow the procedures exactly as written may result in serious injury or death.

  3. Perform the High Voltage Disabling procedure. Refer to High Voltage Disabling .

Installation

    Object Number: 1971274 Size: SH

    Important: The sight shield mounting fastener must be installed and tightened. Failure to properly tighten the sight shield fastener may result in an open High Voltage Interlock Circuit (HVIC) condition and DTCs.

  1. Install the sight shield onto the ball studs (2) and tighten the sight shield fastener (1).

    2. Tighten
    Tighten the fastener to 5 N·m (44 lb in).

  2. Install the fender brace. Refer to Front Fender Rear Upper Bracket Replacement .
  3. Enable high voltage. Refer to High Voltage Enabling .