Removal & Installation (Upper)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Remove the interior engine cover from the vehicle. Remove the upper intake manifold bolts. See Fig 1. Remove the upper intake manifold and gaskets from the lower intake manifold. Install new upper intake manifold gaskets to the lower intake manifolds. Install a new O-ring onto the turbocharger inlet housing. See Fig 1. Lightly lubricate the O-ring with clean engine oil. Install the upper intake manifold to the lower intake manifolds. Install the upper intake manifold bolts. Tighten the upper intake manifold bolts to specifications. See TORQUE SPECIFICATIONS . Install the interior engine cover.