Heater And A/C Unit, Removing And Installing: Installing
Install in the reverse order of removal while noting the following:
-- Pay attention to the correct seating of the seal -1- in the groove -arrow- of the corresponding refrigerant line.
-- 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 [For engine(s) DCGA, DTFA] Coolant, Draining And Filling / [For engine(s) CDVC] Coolant, Draining And Filling .
-- Start the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .
-- Check the heater and A/C unit function.