Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the ground strap to the stud.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the ground strap nut to the stud at the front of dash.
    Fig 1: View Of Ground Strap Nut At Front Of Dash Stud
    GM663474Courtesy of GENERAL MOTORS CORP.

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

  3. Position the ground strap and engine wiring harness ground.
  4. Install the engine wiring harness ground bolt.
    Fig 2: View Of Ground Cable Bolt At Engine Block
    GM663475Courtesy of GENERAL MOTORS CORP.

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

  5. If necessary, install the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L (RPO LQ4)) or Engine Sight Shield Replacement (6.0L (RPO LQ9)) in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
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.