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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1620 (Engine Cooling System) >> Repair Instructions >> Turbocharger Coolant Bypass Valve Replacement (6.6L Engine) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to FASTENER NOTICE .
  1. Install the turbocharger bypass valve and washer.

    Tighten 

    Tighten the valve to 60 N.m (44 lb ft).

    Fig 1: Install Turbocharger Bypass Valve & Washer
    G02109073Courtesy of GENERAL MOTORS CORP.
  2. Connect the turbocharger coolant return hose to the turbocharger bypass valve.
    Fig 2: Connect Turbocharger Coolant Return Hose
    G02109074Courtesy of GENERAL MOTORS CORP.
  3. Install the upper intake manifold sight shield.
  4. Install the upper intake manifold cover to the outlet duct.
  5. Tighten the outlet duct clamp at the upper intake manifold cover.

    Tighten 

    Tighten the clamp to 6 N.m (53 lb in).

  6. Fill the cooling system. Refer to Draining and Filling Cooling System .
    Fig 3: Install Upper Intake Manifold Cover
    G02109075Courtesy of GENERAL MOTORS CORP.
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