Grand Cherokee 2WD L6-242 4.0L VIN S MFI (1993)
Evaporator Core: Service and Repair
Installation
1. Position the evaporator in the bottom half of the heater-A/C unit.
2. Position the top half of the heater-A/C unit in place. Carefully turn the unit over. Install and tighten the retaining screws.
3. Snap on the center adaptor heat duct.
4. Install the heater-A/C unit into the vehicle.
See: Housing Assembly HVAC/Service and Repair/Heater - A/C Housing Removal and Installation
5. If the evaporator was replaced, add 2 ounces of ND8 PAG refrigerant oil to the air conditioning system.