ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Connect electric vacuum pump -D- to battery -A-, and switch
it on.
– Open shut-off tap -B-.
– Remove hose clips -H-, and continue with the filling process
⇒ page 69 .
2.10
Removing and installing coolant ex‐
pansion tank
Special tools and workshop equipment required
♦ hose clamps, up to 25 mm -3094-
Removing
CAUTION
The cooling system may be under pressure. Risk of scalding
due to hot steam and hot coolant
Danger of scalding skin and other parts of the body
– Put on protective gloves.
– Put on safety goggles.
– Cover filler cap on expansion tank with a suitable cloth and
open carefully to release pressure.
– Open filler cap on coolant expansion tank -arrow- briefly to
release pressure in cooling system and then tighten cap
again.
2. Cooling system/coolant
75
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Unplug electrical connector -1- from coolant shortage indica‐
tor sender -G32-.
– Disconnect electrical wire -3- from coolant expansion tank
-2-.
– Press catch -arrow- forwards and swivel coolant expansion
tank -2- out of mounting.
– Clamp off coolant hoses -1- and -2- using hose clamps, up
to 25 mm -3094-.
– Open hose clamps and unplug coolant hose -1-.
– Seal connection on coolant expansion tank with plug.
– Turn coolant expansion tank around.
– Open hose clamps and unplug coolant hose -2-.
– Empty coolant expansion tank.
Installing
Installation is carried out in reverse order; note the following:
76
Rep. gr.19 - Cooling
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Plug in coolant hoses and secure with hose clamps. Note
installation markings when doing so.
– Remove hose clamps.
– Fit coolant expansion tank in mounting and engage.
– Fill up coolant and check filling quality ⇒ Rep. gr. 19; Check‐
ing filling quality.
2.11
Checking filling quality
Special tools and workshop equipment required
♦ adapter -VAS 691 005/5-
♦ cooling system tester -V.A.G 1274 B-
Note
It is necessary to make sure that there is no air in the cooling
system. If there is any air in the cooling system, the coolant
level will drop far below the permissible level in the course of
time. Overheating of the motor is also possible.
CAUTION
The cooling system may be under pressure. Risk of scalding
due to hot steam and hot coolant
Danger of scalding skin and other parts of the body
– Put on protective gloves.
– Put on safety goggles.
– Cover filler cap on expansion tank with a suitable cloth and
open carefully to release pressure.
– Open sealing cap of coolant expansion tank -arrow-.
– Check coolant level. It must be approx. 10 mm above the
max. marking or be at the max. marking -1-. If necessary,
top up with coolant.
2. Cooling system/coolant
77