ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
7
Front heater and air conditioning
unit
7.1
Exploded view - heater and air conditioning unit
1 - Cover for high-voltage
heater (PTC) -ZX17-
2 - High-voltage heater (PTC)
-ZX17-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing high-
voltage heater (PTC)
ZX17
3 - Condensation drain
❑ ⇒ Rep. gr. 87; Check‐
ing condensation drain
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing con‐
densation drain
4 - Potential equalisation line
❑ ⇒ Electric drive mo‐
tor; Rep. gr. 93; Poten‐
tial equalisation lines;
Overview of fitting loca‐
tions - potential equali‐
sation lines
5 - Nut
❑ 8 Nm
6 - Bolt
❑ 4x
❑ 3 Nm
7 - Bolt
❑ 3x
❑ 1 Nm
7.2
Assembly overview – evaporator hous‐
ing, R1234yf
7.2.1
Exploded view - evaporator housing
130
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Heater and air conditioning
unit
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing heater
and air conditioning unit
2 - Foam spacer
❑ For seal/insulation
❑ Note installation posi‐
tion
❑ Renew after removing
3 - Foam
❑ For insulation
❑ Note installation posi‐
tion
❑ Renew after removing
4 - Bolt
❑ 2x
❑ 4.5 Nm
5 - Expansion valve
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing ex‐
pansion valve
6 - Seal
❑ Depending on equip‐
ment/vehicle version
❑ 2x
❑ Renew after removing
7 - Bolt
❑ 4x
❑ 2 Nm
8 - Cover for evaporator hous‐
ing
9 - Condensation drain
❑ ⇒ Rep. gr. 87; Checking condensation drain
❑ ⇒ Rep. gr. 87; Removing and installing condensation drain
10 - Evaporator
❑ With seal
❑ ⇒ Rep. gr. 87; Removing and installing evaporator
7.3
Assembly overview – evaporator hous‐
ing, R744
7.3.1
Assembly overview – evaporator housing
7. Front heater and air conditioning unit
131
2024 VW ID.4 Owner's Manual
