GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H2 🢒 Engine 🢒 Engine Electrical 🢒 Engine Ground Strap Replacement

Removal Procedure
  1. Remove the left hand catalytic convert. Refer to Catalytic Converter Replacement .

    2. Object Number: 663475 Size: SH
  2. Remove the engine wiring harness ground bolt.
  3. Lower the vehicle.

    4. Object Number: 663474 Size: SH
  4. Remove the ground strap nut from the stud at the front of dash.
  5. Remove the ground strap from the stud.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 663474 Size: SH
  1. Install the ground strap to the stud.
  2. Install the ground strap nut to the stud at the front of dash.

    3. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

    4. Object Number: 663475 Size: SH
  4. Position the ground strap and engine wiring harness ground.
  5. Install the engine wiring harness ground bolt.

    6. Tighten
    Tighten the bolt to 16 N·m (12 lb ft).

  6. Install the left hand catalytic convert. Refer to Catalytic Converter Replacement .
  7. Lower the vehicle.