Download 2. Drain the engine oil and remove the oil filter housing. 3. Loosen the oil cooler outlet (1) and the inlet (2) lines from engine block. See Fig. 16 . 4. Lower the vehicle. 5. Remove the intake plenum. See INTAKE PLENUM . 6. Remove the intake manifold. See INTAKE MANIFOLD & SPACER . 7. Disconnect the following electrical connectors from the water crossover: The engine coolant temperature sender (2). The engine coolant temperature sensor (4). See Fig. 17 . 8. Remove the water crossover bolts (1). 9. Remove the water crossover upper and lower seals (2). See Fig. 18 .