Premier L4-150 2.5L (1988)
NOTE: Add 88.7 ml (3 fluid oz) of clean refrigerant oil to the accumulator/drier inlet tube whenever the evaporator core is replaced. This will
compensate for the refrigerant oil lost in the replaced evaporator core.
1. Position the evaporator core in the lower housing.
2. Position upper housing on lower housing. Ensure that upper half is seated in groove on blower motor trim ring.
NOTE: If the trim ring is not seated properly, a tapping noise may occur when the housing is installed in the vehicle.
3. With halves mated, reach inside housing and position blend door pivot shaft into opening.
4. Install clips around middle joint of housing halves.
5. Install screws that hold upper and lower halves together.
6. Install blower motor with screws.
7. Connect wires to blower motor and secure them in place with retaining clip.
8. Install foam gaskets.
9. Carefully insert heater core into housing and push down until it snaps into place.
10. Slide hose into housing then press down to lock it in place.
11. Slide vacuum motor arm onto recirculation door pivot shaft. Press it until tab locks in place.
12. Connect spring to vacuum motor arm and to housing.
13. Install Air Conditioning Module (ACM) with screws.
14. Install vacuum connector to ACM.
15. Install electrical connector to ACM.
16. Install heat and A/C housing, reverse removal procedure. Evacuate and Charge A/C, test heat and A/C system.
