Heater And A/C Unit, Removing And Installing: Installing
Install in reverse order of removal while noting the following:
- The help of a second technician is necessary to assemble the heater and A/C unit.
-- Make sure the condensation water hose -3- is seated correctly when installing.
-- The coding -2- and -arrow- must line up with the heater and A/C unit -1-.
-- If a commercially available cable tie was used to secure the condensation water drain -3-, replace the cable tie.
-- Route the condensation water drain hose as shown underneath from the wiring harness of the Airbag Control Module -J234- -4-.
-- Coat the new seals with refrigerant oil before installing the refrigerant lines.
There is a risk of damaging the A/C compressor if the refrigerant circuit is empty.
- Never start the engine with the refrigerant circuit empty.
Vehicles with Refrigerant R134a
-- Fill the refrigerant circuit. Refer to the appropriate Service Information .
-- Perform the leak test on the refrigerant circuit line connections that were closed again. Refer to the appropriate Service Information .
Vehicles with Refrigerant R1234yf
-- Charge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, CHARGING .
-- Perform the leak test on the closed line connections of the refrigerant circuit. Refer to LEAKS, FINDING .
Continuation for all vehicles
-- Fill the coolant. Refer to COOLANT, DRAINING AND FILLING (1.5L) or COOLANT, DRAINING AND FILLING (2.0L) .
-- Check the heating and A/C system function.