ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
9
Coolant circuit
9.1
Assembly overview – high-voltage
heater (PTC), rear-wheel drive
9.1.1
Exploded view - high-voltage heater (PTC)
1 - PTC heater element 3 -
Z132-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing PTC
heater element 3 Z132
2 - Bolt
❑ 3x
❑ 20 Nm
3 - Bolt
❑ 3x
❑ 10 Nm
4 - Bracket
5 - Bracket
6 - Bolt
❑ 5x
❑ 10 Nm
7 - Potential equalisation line
❑ ⇒ Electric drive motor
0EH, 0EJ; Rep. gr. 93;
Potential equalisation
lines; Overview of fit‐
ting locations - potential
equalisation lines
8 - Nut
❑ 8 Nm
9 - Electrical connector
10 - Electrical connector
❑ High-voltage wire
9.2
Assembly overview – high-voltage
heater (PTC), all-wheel drive
9.2.1
Exploded view - high-voltage heater (PTC)
168
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - PTC heater element 3 -
Z132-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing PTC
heater element 3 Z132
2 - Bracket
3 - Bolt
❑ 3x
❑ 10 Nm
4 - Bolt
❑ 3x
❑ 20 Nm
5 - Nut
❑ 8 Nm
6 - Electrical connector
7 - Electrical connector
❑ High-voltage wire
8 - Bolt
❑ 3x
❑ 10 Nm
9 - Bracket
10 - Warning label
❑ ⇒ Motor; Rep. gr. 93;
Warning labels; Check‐
ing warning labels
9.3
Removing and installing PTC heater el‐
ement 3 [Z132], rear-wheel drive
9.3.1
Removing and installing PTC heater el‐
ement 3 [Z132]
Removing
DANGER
High voltage can cause fatal injury.
Danger of severe or fatal injuries from electric shock or elec‐
tric arcs.
– Have a high-voltage technician (HVT) or a high-voltage
expert (HVE) de-energise the high-voltage system.
– ⇒ Rep. gr. 93; De-energise high-voltage system.
– Remove air intake unit of heater and air conditioning unit
⇒ Rep. gr. 87; Removing and installing air intake unit of
heater and air conditioning unit.
9. Coolant circuit
169
2024 VW ID.4 Owner's Manual
