Installation Procedure

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Thermostat Housing
    GM753670Courtesy of GENERAL MOTORS CORP.
  1. Install the radiator outlet hose to the engine (1).
  2. Using J 38185Β  reposition the radiator outlet hose clamp. See Special ToolsΒ .
  3. Install the radiator outlet hose to the radiator.
  4. Using J 38185Β  reposition the radiator outlet hose clamp. See Special ToolsΒ .
  5. Lower the vehicle.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling (LL8)Β  or Cooling System Draining and Filling (LH6, LS2)Β .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.