ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
Removing
Seal off open pipes/lines and connections immediately with
clean plugs from engine bung set -VAS 6122-.
– ⇒ Air conditioners with refrigerant R1234yf - General infor‐
mation; Rep. gr. 87; Working with the air conditioner service
station; Discharging refrigerant circuit
– Remove condenser ⇒ Rep. gr. 87; Removing and installing
condenser/gas cooler.
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.
– Remove plug -1- from condenser -2-.
– Take desiccant bag -1- out of condenser -2-.
– Pull filter -2- out of condenser -3- using a piece of wire -1-.
3. Refrigerant circuit
33
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
Installing
Installation is carried out in reverse order; note the following:
– Check that threads and sealing surfaces of condenser are
not dirty or damaged.
– ⇒ Air conditioners with refrigerant R1234yf - General infor‐
mation; Rep. gr. 87; Working with the air conditioner service
station; Charging refrigerant circuit
Tightening torques
♦ ⇒ Rep. gr. 87; Exploded view - condenser
3.15
Removing and installing desiccant bag/
dryer, R744
3.15.1
Removing and installing dryer
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-.
– Carry out function “Open electrically actuated valves to
drain, evacuate or charge refrigerant circuit” using ⇒ Vehicle
diagnostic tester ⇒ Rep. gr. 00; Access to diagnoses.
– ⇒ Air conditioning systems with refrigerant R744 – General
notes; Rep. gr. 87; Working with air conditioner service sta‐
tion; Draining refrigerant circuit.
– Remove heat pump valve unit ⇒ Rep. gr. 87; Removing and
installing heat pump valve unit.
– Unscrew bolts -1- and -2-.
34
Rep. gr.87 - Air conditioning system
2024 VW ID.4 Owner's Manual
