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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Turbocharger Coolant Bypass Valve Replacement (6.6L (LB7) Engine) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the turbocharger bypass valve and washer.

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

    2. Fig 1: View Of Turbocharger Bypass Valve & Washer
    GM687052Courtesy of GENERAL MOTORS CORP.
  2. Connect the turbocharger coolant return hose to the turbocharger bypass valve.
    3. Fig 2: View Of Turbocharger Inlet Coolant Hose
    GM668427Courtesy of GENERAL MOTORS CORP.
  3. Install the upper intake manifold sight shield.
  4. Install the upper intake manifold cover to the outlet duct.
    5. Fig 3: View Of Upper Intake Manifold Cover, Outlet Duct & Clamp
    GM813243Courtesy of GENERAL MOTORS CORP.
  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 (without HP2) .
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