DeVille V8-4.6L VIN Y (1998)
2. Install the inlet and outlet heater hoses to heater core.
3. Install the heater core cover and the screws.
Tighten
Tighten the screws to 2 Nm (18 lb in).
4. Connect the passenger air mix actuator (3).
5. Connect the driver air mix actuator (2).
6. Install the heater and A/C programmer.
7. Install the instrument panel compartment.
8. Install the right sound insulator.
9. Connect the negative battery cable.
10. Refill the cooling system.
11. Adjust the air mix valve.