ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
12 - Radiator module
❑ ⇒ Rep. gr. 19; Removing and installing radiator module
13 - Heat exchanger for high-voltage battery
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Refrigerant circuit; Removing and installing heat exchanger
for high-voltage battery
14 - Coolant expansion tank
❑ With coolant shortage indicator sender -G32-
❑ ⇒ Rep. gr. 19; Removing and installing coolant expansion tank
15 - Thermostat
❑ ⇒ Rep. gr. 19; Assembly overview – cooling system, rear-wheel drive
16 - Coolant pump for high-voltage battery -V590-
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for high-voltage battery [V590]
2.4
Overview of fitting locations – cooling
system, all-wheel drive
2.4.1
Overview of fitting locations – cooling system
52
Rep. gr.19 - Cooling
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Power and control elec‐
tronics for electric drive -JX1-
❑ ⇒ Rep. gr. 93; Remov‐
ing and installing power
and control electronics
for electric drive, rear-
wheel drive
2 - Temperature sensor -G18-
❑ At top of charging unit 1
for high-voltage battery
-AX4- in hose connec‐
tion
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing tem‐
perature sensor [G18]
3 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Re‐
moving and installing
voltage converter, rear-
wheel drive
4 - Charging unit 1 for high-
voltage battery -AX4-
❑ With control unit for
high-voltage battery
charger -J1050-
❑ ⇒ Rep. gr. 93; Remov‐
ing and installing charg‐
ing unit 1 for high-volt‐
age battery [AX4], rear-
wheel drive
5 - three-phase current drive
-VX54-
❑ ⇒ Rep. gr. 10; Explo‐
ded view - motor (rear)
❑ ⇒ Rep. gr. 10; Remov‐
ing rear motor
❑ ⇒ Rep. gr. 10; Installing rear motor
6 - Power and control electronics 2 for electric drive - JX4-
❑ ⇒ Rep. gr. 93; Removing and installing power and control electronics for electric drive, rear-wheel
drive
7 - Coolant pump for high-voltage battery -V590-
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for high-voltage battery [V590]
8 - Mixing valve for high-voltage battery pre-heating -V683-
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve for high-voltage battery pre-heating [V683]
9 - Mixing valve 2 for high-voltage battery pre-heating -V696-
❑ Depending on equipment/version
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve 2 for high-voltage battery [V696] pre-heating, heat
pump
10 - Coolant temperature sender 2 for high-voltage battery -G899-
❑ Battery outlet (return)
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 2 for high-voltage battery G899
11 - Coolant temperature sender 1 for high-voltage battery -G898-
❑ Battery inlet (supply)
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 1 for high-voltage battery G898
2. Cooling system/coolant
53
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
12 - Coolant pump for low-temperature circuit -V468-
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for low-temperature circuit [V468]
13 - Three-phase current drive 2 -VX97-
❑ ⇒ Rep. gr. 10; Assembly overview – front motor
❑ ⇒ Rep. gr. 10; Removing front motor
❑ ⇒ Rep. gr. 10; Installing front motor
14 - Heater element (PTC) 3 -Z132-
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Coolant circuit; Removing and installing PTC heater element 3
[Z132]
15 - Radiator module
❑ ⇒ Rep. gr. 19; Removing and installing radiator module
16 - Heat exchanger for high-voltage battery
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Refrigerant circuit; Removing and installing heat exchanger
for high-voltage battery
17 - Coolant expansion tank
❑ With coolant shortage indicator sender -G32-
❑ ⇒ Rep. gr. 19; Removing and installing coolant expansion tank
18 - Thermostat
❑ ⇒ Rep. gr. 19; Assembly overview – cooling system, rear-wheel drive
19 - Valve unit of heat pump
❑ Depending on equipment/version
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Heat pump valve unit; Removing and installing heat pump
valve unit
2.5
Assembly overview – cooling system,
rear-wheel drive
2.5.1
Assembly overview – cooling system
54
Rep. gr.19 - Cooling
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
A - Assembly overview – cool‐
ing system, front right
B - Assembly overview – cool‐
ing system, rear
❑ ⇒ page 56
C - Assembly overview – cool‐
ing system, front left
❑ ⇒ page 57
A - Assembly overview – cooling system, front right
2. Cooling system/coolant
55
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Re‐
moving and installing
voltage converter, rear-
wheel drive
2 - Hose clamp
3 - Bolt
❑ Specified torque
⇒ Rep. gr. 93; Assem‐
bly overview – voltage
converter, rear-wheel
drive
4 - Coolant hose
5 - Coolant hose
6 - O-ring
7 - Retaining clip
8 - Hose clamp
9 - Coolant hose
10 - Retaining clip
❑ Qty. 2
11 - Hose clamp
12 - Coolant expansion tank
❑ With coolant shortage
indicator sender -G32-
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing cool‐
ant expansion tank
13 - Thermostat
❑ Starts to open at 15 °C
14 - Bracket for coolant mani‐
fold
15 - Spreader rivet
16 - Coolant manifold
❑ Coolant hose and coolant pipe are marked with numbers
❑ Note allocation
B - Assembly overview – cooling system, rear
56
Rep. gr.19 - Cooling
2024 VW ID.4 Owner's Manual
