REMOVAL & INSTALLATION
See Figure 1
If your vehicle is equipped with air conditioning, refer to General Information & Maintenance for information regarding the implications of servicing your A/C system yourself. Only a MVAC-trained, EPA-certified, automotive technician should service the A/C system or its components.
- Have the A/C system evacuated by a EPA-certified technician.
- Remove the cooling unit.
- Disconnect the suction tube and liquid tube from the cooling unit fitting. Cap all fittings immediately to keep moisture out of the system.
- Remove the grommets and drain pipe grommet.
- Remove the glove compartment assembly.
- Disconnect the wiring from the cooling unit, unbolt and extract the unit.
- Drain the engine coolant from the radiator.
- Unbolt the heater control valve, label and disconnect the water hoses.
- Remove the pipe grommets.
- Remove the instrument panel and reinforcement.
- Label and disconnect the heater unit wiring harnesses. Remove the retaining nuts around the heater unit and extract the assembly from the dash.
- Unscrew the heater air duct and loosen the pipe clamps. Pull the heater core with return pipe out of the unit.
- Install the components in the reverse order of removal securing all clamps and screws till snug.
- Fill the cooling system, then start and warm the engine, making sure it stays full. Stop the engine and check for leaks and top off the system if necessary.
- Have the A/C system charged by a certified automotive technician.
- Check for proper heater operation.