ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
– Detach foam spacer -2-.
– Remove seal -4-.
Installing
Install in reverse order of removal, observing the following:
– Before inserting, clean evaporator housing and evaporator.
– Before inserting evaporator, check and clean condensation
drain ⇒ Rep. gr. 87; Checking condensation drain.
– Check tongue-and-groove joint between upper and lower
sections of evaporator housing for damage and proper seat‐
ing.
– If evaporator was renewed, refrigerant circuit must be top‐
ped up with 10 ml of refrigerant oil.
Tightening torques
♦ ⇒ Rep. gr. 87; Assembly overview – refrigerant lines
♦ ⇒ Rep. gr. 87; Assembly overview – heater and air condition‐
ing unit
7.8
Removing and installing evaporator,
R744
7.8.1
Removing and installing evaporator
– Evaporator -3- is currently not available separately ⇒ Elec‐
tronic parts catalogue (ETKA).
7.9
Dismantling and assembling heater
and air conditioning unit, R1234yf
7.9.1
Dismantling and assembling heater
and air conditioning unit
Individual disassembly and reassembly of heater and air con‐
ditioning unit is currently not intended ⇒ Electronic parts cata‐
logue.
142
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
7.10
Dismantling and assembling heater
and air conditioning unit, R744
7.10.1
Dismantling and assembling heater
and air conditioning unit
Individual disassembly and reassembly of heater and air con‐
ditioning unit is currently not intended ⇒ Electronic parts cata‐
logue.
7.11
Removing and installing dust and pol‐
len filter
Depending on the country, 2 dust and pollen filters -A- and -B-
or 1 dust and pollen filter -B- may be installed.
Removing
– Unscrew bolt -1-.
– Release cover -2- -arrow-, and remove it.
– Remove dust and pollen filter -1-.
7. Front heater and air conditioning unit
143

2024 VW ID.4 Owner's Manual