Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
    Fig 1: View Of Front Of Dash Stud Ground Strap Nut
    GM663474Courtesy of GENERAL MOTORS CORP.
  1. Install the ground strap to the stud.
  2. NOTE: Refer to Fastener Notice .
  3. Install the ground strap nut to the stud at the front of dash.

    Tighten:Β  Tighten the nut to 9 N.m (80 lb in).

  4. Fig 2: View Of Engine Wiring Harness Ground & Ground Strap
    GM663475Courtesy of GENERAL MOTORS CORP.
  5. Position the ground strap and engine wiring harness ground.
  6. Install the engine wiring harness ground bolt.

    Tighten:Β  Tighten the bolt to 16 N.m (12 lb ft).

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.