ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
15 - Refrigerant shut-off valve 3 -N641-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 3 N641
16 - Dryer with internal heat exchanger
❑ ⇒ Rep. gr. 87; Removing and installing dryer
17 - Refrigerant pressure and temperature sender 5 -G829-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 5 G829
18 - Air conditioner compressor -VX81-
❑ ⇒ Rep. gr. 87; Removing and installing air conditioner compressor VX81
19 - Refrigerant pressure and temperature sender -G395-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender G395
20 - Refrigerant shut-off valve 2 -N640-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 2 N640
21 - Refrigerant shut-off valve 5 -N643-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant shut-off valve 5 N643
22 - Refrigerant pressure and temperature sender 3 -G827-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender 3 G827
3.3
Assembly overview – refrigerant lines,
R1234yf
3.3.1
Exploded view - refrigerant lines
3. Refrigerant circuit
19
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Bolt
❑ Applies for all connec‐
tions in illustration
❑ 8 Nm
2 - Seal
❑ Applies for all connec‐
tions in illustration
❑ Renew after removing
3 - Refrigerant line
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing re‐
frigerant line from con‐
denser to expansion
valve
4 - Pressure sender for refrig‐
erant circuit -G805-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing pres‐
sure sender for refriger‐
ant circuit G805
❑ 8 Nm
5 - Seal
❑ Renew after removing
6 - Valve core
❑ 1.5 Nm
7 - Refrigerant shut-off valve
for heater and air conditioning
unit -N541-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing refrig‐
erant shut-off valve for
heater and air condi‐
tioning unit N541
8 - Union nut
❑ 16.5 Nm
9 - Evacuating and charging valve (high-pressure side)
❑ ⇒ Rep. gr. 87; Removing and installing evacuating and charging valve (low-pressure and high-pres‐
sure sides)
❑ 1.5 Nm
10 - Valve cap (high pressure)
❑ 1 Nm
11 - Refrigerant line
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant line from heat exchanger for high-voltage battery to
high-pressure line
12 - Bracket
13 - Refrigerant line
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant line from air conditioner compressor VX81 to
expansion valve
14 - Expansion valve
❑ ⇒ Rep. gr. 87; Exploded view - evaporator housing
❑ ⇒ Rep. gr. 87; Removing and installing expansion valve
20
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
15 - Valve core
❑ 2 Nm
16 - Seal
❑ Renew after removing
17 - Refrigerant pressure and temperature sender -G395-
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant pressure and temperature sender G395
❑ 10 Nm
18 - Valve cap (low pressure)
❑ 1 Nm
19 - Evacuating and charging valve (low-pressure side)
❑ ⇒ Rep. gr. 87; Removing and installing evacuating and charging valve (low-pressure and high-pres‐
sure sides)
❑ 1.5 Nm
20 - Refrigerant line
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant line from heat exchanger for high-voltage battery to
low-pressure line
21 - Bolt
❑ 2x
❑ 20 Nm
22 - Air conditioner compressor -VX81-
❑ ⇒ Rep. gr. 87; Exploded view - air conditioner compressor
❑ ⇒ Rep. gr. 87; Removing and installing air conditioner compressor VX81
23 - Refrigerant line
❑ ⇒ Rep. gr. 87; Removing and installing refrigerant line from condenser to air conditioner compressor
VX81
24 - Condenser
❑ ⇒ Rep. gr. 87; Exploded view - condenser
❑ ⇒ Rep. gr. 87; Removing and installing condenser
25 - High-voltage battery heat exchanger
❑ ⇒ Rep. gr. 87; Exploded view - heat exchanger for high-voltage battery
❑ ⇒ Rep. gr. 87; Removing and installing heat exchanger for high-voltage battery
3.4
Assembly overview – refrigerant lines,
R744
3.4.1
Exploded view - refrigerant lines
3. Refrigerant circuit
21
2024 VW ID.4 Owner's Manual
