Removal 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.

Loosen the outlet duct clamp at the upper intake manifold cover.
Remove the upper intake manifold cover from the outlet duct.
Remove the upper intake manifold cover.
Drain the cooling system. Refer to Draining and Filling Cooling System .

Fig 1: Remove Upper Intake Manifold Cover
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Disconnect the turbocharger coolant return hose from the turbocharger bypass valve.

Fig 2: Disconnect Turbocharger Coolant Return Hose
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Remove the turbocharger bypass valve and washer.

Fig 3: Remove Turbocharger Bypass Valve & Washer
Courtesy of GENERAL MOTORS CORP.