Removal (Van)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 GMC C3500 HD, and 2002 Chevrolet RV Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect negative battery cables. Remove engine cover from vehicle. See ENGINE COVER . Remove the upper intake manifold. See UPPER INTAKE MANIFOLD . Cover the turbocharger intake duct opening with tape. Disconnect the wastegate vacuum hose.
- Raise and support vehicle. Remove the nuts retaining the catalytic converter pipe to the turbocharger. Remove the pipe from the turbocharger. Lower the vehicle. Remove the turbocharger heat shield mounting bolts. Remove the turbocharger heat shield. Remove the exhaust pipe clamps from the exhaust pipes that connect the turbocharger to the exhaust manifolds. Remove the exhaust pipes that connect the turbocharger to the exhaust manifolds.
- Remove the turbocharger mounting bolts. Remove the turbocharger assembly from the engine block. Remove and discard the seals. Usually some quantity of oil will exist inside the vent system. The crankcase vapor consists of vaporized oil that condenses within the vent and intake system. The inside of the air intake duct and compressor wheel housing can be quite oily due to the venting of the crankcase vapors.