ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
If shut-off valves have been renewed:
– Perform function “Addressing refrigerant valves” using ⇒ Ve‐
hicle diagnostic tester ⇒ Rep. gr. 00; Starting diagnosis.
Tightening torques
♦ ⇒ Rep. gr. 87; Exploded view - heat pump valve unit
4.8
Removing and installing refrigerant
shut-off valve 3 N641
Removing and installing
Refrigerant shut-off valve 3 -N641- is removed together with re‐
frigerant shut-off valve 2 -N640- and cannot be renewed sepa‐
rately ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off
valve 2 N640.
4.9
Removing and installing refrigerant
shut-off valve 4 N642
Special tools and workshop equipment required
♦ ESD workplace -VAS 6613-
Removing
Refrigerant shut-off valve 4 -N642- and refrigerant shut-off valve
5 -N643- -1- cannot be renewed separately.
– Remove heat pump valve unit ⇒ Rep. gr. 87; Removing and
installing heat pump valve unit.
NOTICE
Risk of damage to electrical components.
Electrostatic discharge can cause damage to electrical com‐
ponents.
– Work on electrical components must always be performed
on an ESD workplace.
– Place heat pump valve unit on ESD workplace -VAS 6613-.
– Remove bolts -2-, -3- and -4-.
4. Valve unit of heat pump
93
2024 VW ID.4 Owner's Manual
