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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Engine Cooling System) >> Repair Instructions >> Turbocharger Coolant Bypass Valve Replacement (6.6L (LLY) Engine) >> Removal Procedure

Removal 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.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement in Engine Mechanical - 6.6L (LLY).
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (without HP2) .
  3. Reposition the coolant inlet hose clamp.
  4. Disconnect the turbocharger coolant inlet hose from the turbocharger bypass valve.
    5. Fig 1: View Of Turbocharger Inlet Coolant Hose At Turbocharger Coolant Bypass
    GM1335386Courtesy of GENERAL MOTORS CORP.
  5. Remove the turbocharger bypass valve and washer.
    6. Fig 2: View Of Turbocharger Bypass Valve & Washer
    GM687052Courtesy of GENERAL MOTORS CORP.
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