ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
– Remove expansion valve -3-.
Installing
Install in reverse order of removal, observing the following:
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Charging refrigerant circuit.
Tightening torques
♦ ⇒ Rep. gr. 87; Assembly overview – evaporator housing,
R1234yf
3.11
Removing/installing refrigerant line
from/to expansion valve, R1234yf
3.11.1
Removing/installing refrigerant line
from/to expansion valve
Special tools and workshop equipment required
♦ engine bung set -VAS 6122-
Removing
Immediately seal any open lines and connections with clean
plugs from engine bung set -VAS 6122-.
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Draining refrigerant circuit.
– Remove air intake unit of heater and air conditioning unit
⇒ Rep. gr. 87; Removing and installing air intake unit of
heater and air conditioning unit.
CAUTION
Risk of frostbite from escaping pressurised refrigerant
Risk of frostbite on skin and other parts of the body
– Put on protective gloves.
– Put on safety goggles.
– Extract/drain refrigerant and then immediately open up re‐
frigerant circuit.
– Extract/drain refrigerant again if more than 10 minutes
have passed since initial extraction and refrigerant circuit
has not been opened up. Renewed evaporation has cre‐
ated pressure in the refrigerant circuit.
– Unscrew bolt -2-.
30
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
– Pull off refrigerant lines -1- and -3-.
Installing
Install in reverse order of removal, observing the following:
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Charging refrigerant circuit.
Tightening torques
♦ ⇒ Rep. gr. 87; Assembly overview – refrigerant lines
3.12
Removing and installing condens‐
er/gas cooler, R1234yf
3.12.1
Removing and installing condenser
Special tools and workshop equipment required
♦ engine bung set -VAS 6122-
Removing
Immediately seal any open lines and connections with clean
plugs from engine bung set -VAS 6122-.
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Draining refrigerant circuit.
– Disconnect refrigerant lines from condenser ⇒ Rep. gr. 87;
Disconnecting/connecting refrigerant lines from/to condens‐
er/gas cooler.
– Dismantle radiator module ⇒ Rep. gr. 19; Radiator/radiator
fan; Dismantling and assembling radiator module.
Installing
Install in reverse order of removal, observing the following:
If condenser is renewed:
– Carry out adaption routine for refrigerant oil capacity, and
clean refrigerant circuit, if necessary ⇒ Air conditioning sys‐
tems with refrigerant R1234yf – General notes; Rep. gr. 87;
Refrigerant circuit; Renewing components.
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Charging refrigerant circuit.
Tightening torques
♦ ⇒ Rep. gr. 87; Assembly overview – condenser
3. Refrigerant circuit
31
2024 VW ID.4 Owner's Manual
