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
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
♦ ⇒ Rep. gr. 19; Radiator, radiator fan; Assembly overview –
radiator, radiator fan
3.13
Removing and installing condens‐
er/gas cooler, R744
3.13.1
Removing and installing gas cooler
Special tools and workshop equipment required
♦ engine bung set -VAS 6122-
Removing
Seal off open pipes/lines and connections immediately with
clean plugs from engine bung set -VAS 6122-.
If gas cooler is renewed:
– Observe procedure for renewing components of refrigerant
circuit ⇒ Air conditioners with refrigerant R744 - General
information; Rep. gr. 87; Refrigerant circuit; Renewing com‐
ponents.
– Perform function “Opening electrically actuated valves in re‐
frigerant circuit for extracting, evacuating and charging” with
⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00; Starting diagnosis.
– ⇒ Air conditioners with refrigerant R744 - General informa‐
tion; Rep. gr. 87; Working with the air conditioner service
station; Discharging refrigerant circuit.
– Disconnect refrigerant lines from gas cooler ⇒ Rep. gr. 87;
Detaching and attaching refrigerant lines at condenser/gas
cooler.
– Disassemble radiator module ⇒ Rep. gr. 19; Radiator/radia‐
tor fans; Dismantling and assembling radiator module.
Installing
Installation is carried out in reverse order; note the following:
– Install seals and retaining elements, making sure they are
free of oil.
– Perform function “Opening electrically actuated valves in re‐
frigerant circuit for extracting, evacuating and charging” with
⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00; Starting diagnosis.
– ⇒ Air conditioners with refrigerant R744 - General informa‐
tion; Rep. gr. 87; Working with the air conditioner service
station; Charging refrigerant circuit
Tightening torques
♦ ⇒ Rep. gr. 87; Exploded view - refrigerant lines
♦ ⇒ Rep. gr. 19; Radiator/radiator fans; Exploded view - radia‐
tor/radiator fans
3.14
Removing and installing desiccant bag/
dryer, R1234yf
3.14.1
Removing and installing desiccant bag
Special tools and workshop equipment required
♦ engine bung set -VAS 6122-
32
Rep. gr.87 - Air conditioning system
2024 VW ID.4 Owner's Manual
