Removal & Installation

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.

Disconnect both of the battery negative cables from the batteries. Remove the interior engine cover from the vehicle (if equipped). Remove the turbocharger. See TURBOCHARGER under REMOVAL & INSTALLATION. Remove the oil pump drive clamp retaining bolt. See Fig 1. Remove the oil pump drive clamp. Remove the oil pump drive. Remove and discard the gasket. See Fig 1. Install the new gasket to the oil pump drive. Clean the bore and apply a small amount of clean engine oil in the bore and the seal for the oil pump drive gear. The oil pump drive gear should slide into place with slight resistance. Do not force the oil pump drive gear into place. Install the oil pump drive to the engine. Index the drive with the camshaft gear and the oil pump drive shaft. Make sure the drive seats fully. Install the clamp and the bolt. Tighten the bolt to specifications. See TORQUE SPECIFICATIONS . Install the turbocharger. See TURBOCHARGER under REMOVAL & INSTALLATION. Install the interior engine cover (if equipped). Connect the battery negative cables to the batteries and tighten to specifications. See TORQUE SPECIFICATIONS .

Fig 1: Identifying Oil Pump Drive Components

Courtesy of GENERAL MOTORS CORP.