Express 1/2 Ton Van V6-4.3L VIN W (1999)
5. Remove the air intake duct from the turbocharger.
6. Remove the nut securing the dipstick tubes at the thermostat housing.
7. Remove the stud securing the fuel bleed valve at the thermostat housing.
8. Remove the A/C compressor.
9. Disconnect the coolant temperature sensor electrical connector.
10. Disconnect the heater hose at the thermostat housing crossover.
11. Disconnect the by-pass hose at the thermostat housing crossover.
12. Disconnect the upper radiator hose at the thermostat housing crossover.