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
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Rear right coolant pipe
2 - Coolant hose
3 - Hose clamp
4 - Temperature sensor -G18-
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing tem‐
perature sensor [G18]
5 - O-ring
❑ Renew after removing
6 - Retaining clip
7 - O-ring
8 - Retaining clip
9 - 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
10 - Power and control elec‐
tronics for electric drive -JX1-
❑ With three-phase cur‐
rent drive -VX54-
❑ ⇒ Rep. gr. 93; Remov‐
ing and installing power
and control electronics
for electric drive, rear-
wheel drive
11 - Coolant hose
12 - Retaining clip
13 - Hose clamp
14 - Coolant pipe
❑ Return line
15 - Coolant pipe
❑ Supply line
C - Assembly overview – cooling system, front left
2. Cooling system/coolant
57
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Hose clamp
2 - Coolant hose
❑ Coolant hose and cool‐
ant pipe are marked
with numbers
❑ Note allocation
3 - Retaining clip
4 - Coolant pipe
❑ Return line
5 - Coolant pipe
❑ Supply line
6 - Coolant hose
❑ Marking -V- = supply
7 - Coolant pump for low-tem‐
perature circuit -V468-
❑ ⇒ Rep. gr. 19; Assem‐
bly overview - electric
coolant pump
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing cool‐
ant pump for low-tem‐
perature circuit [V468]
8 - Bolt
❑ Qty. 4
❑ 8 Nm
9 - Coolant hose
❑ Marking -R- = return
10 - Coolant temperature
sender 2 for high-voltage bat‐
tery -G899-
❑ ⇒ Rep. gr. 19; Explo‐
ded view - coolant temperature senders
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 2 for high-voltage battery G899
11 - O-ring
12 - Retaining clip
13 - Coolant temperature sender 1 for high-voltage battery -G898-
❑ ⇒ Rep. gr. 19; Exploded view - coolant temperature senders
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 1 for high-voltage battery G898
14 - Coolant hose
15 - Coolant hose
16 - Hose clamp
17 - Retaining clip
18 - Bolt
❑ 8 Nm
19 - Mixing valve for high-voltage battery pre-heating -V683-
❑ ⇒ Rep. gr. 19; Assembly overview – coolant valves
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve for high-voltage battery pre-heating [V683]
20 - Mixing valve 2 for high-voltage battery pre-heating -V696-
❑ Depending on equipment/version
58
Rep. gr.19 - Cooling
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
❑ ⇒ Rep. gr. 19; Assembly overview – coolant valves
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve 2 for high-voltage battery [V696] pre-heating, heat
pump
21 - Bracket for mixing valve
22 - Bolt
❑ Specified torque ⇒ Rep. gr. 93; Assembly overview – voltage converter, rear-wheel drive
23 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Assembly overview – voltage converter, rear-wheel drive
❑ ⇒ Rep. gr. 93; Removing and installing voltage converter, rear-wheel drive
24 - Retaining clip
25 - Coolant pump for high-voltage battery -V590-
❑ ⇒ Rep. gr. 19; Assembly overview - electric coolant pump
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for high-voltage battery [V590]
26 - Bolt
❑ 8 Nm
2.6
Assembly overview – cooling system,
all-wheel drive
2.6.1
Assembly overview – cooling system
2. Cooling system/coolant
59
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 61
C - Assembly overview – cool‐
ing system, front left
❑ ⇒ page 62
A - Assembly overview – cooling system, front right
60
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 - Coolant hose
2 - Retaining clip
3 - O-ring
4 - Retaining clip
5 - Hose clamp
6 - Thermostat
❑ Starts to open at 15 °C
7 - Coolant hose
8 - Hose clamp
9 - Coolant expansion tank
❑ With coolant shortage
indicator sender -G32-
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing cool‐
ant expansion tank
10 - Coolant manifold
❑ Coolant hose and cool‐
ant pipe are marked
with numbers
❑ Note allocation
11 - Spreader rivet
12 - Three-phase current
drive 2 -VX97-
❑ With power and control
electronics 2 for electric
drive -JX4-
❑ ⇒ Rep. gr. 10; Assem‐
bly overview – front mo‐
tor
❑ ⇒ Rep. gr. 10; Remov‐
ing front motor
❑ ⇒ Rep. gr. 10; Installing front motor
❑ ⇒ Rep. gr. 93; Removing and installing power and control electronics for electric drive, rear-wheel
drive
B - Assembly overview – cooling system, rear
2. Cooling system/coolant
61

2024 VW ID.4 Owner's Manual