ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Heater and air conditioning
unit
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing heater
and air conditioning unit
2 - Foam spacer
❑ For sealing and insula‐
tion
❑ Observe installation po‐
sition
❑ Renew after removing
3 - Evaporator
❑ With gasket
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing evap‐
orator
4 - Foam
❑ For insulation
❑ Observe installation po‐
sition
❑ Renew after removing
5 - Bolt
❑ Qty. 2
❑ 2 Nm
6 - Cover of evaporator hous‐
ing
7 - Condensation drainage
❑ ⇒ Rep. gr. 87; Check‐
ing condensation drain
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing con‐
densation drain
8 - Cover of heat condenser
9 - Cover of heat condenser
10 - Bolt
❑ Qty. 2
❑ 2 Nm
11 - Heat condenser
❑ With gasket
❑ ⇒ Rep. gr. 87; Removing and installing heat condenser
7.4
Exploded view - air intake box of heater and air conditioning unit
132
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
1 - Cover for fresh air intake
2 - Fresh air intake
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing fresh
air intake
3 - Bolt
❑ 3x
❑ 8 Nm
4 - Air intake cowling
❑ Mounting on air intake
cowling for right-hand
drive vehicles ⇒ page
134
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing air in‐
take cowling
5 - Nut
❑ 7x
❑ 8 Nm
6 - Bolt
❑ 4x
❑ 2 Nm
7 - Cover
8 - Bolt
❑ 3x
❑ 2 Nm
9 - Fresh air blower control
unit -J126-
❑ ⇒ Rep. gr. 87; Remov‐
ing and installing fresh
air blower control unit
J126
10 - Air intake box of heater and air conditioning unit
❑ ⇒ Rep. gr. 87; Removing and installing air intake box of heater and air conditioning unit
11 - Nut
❑ 5x
❑ 4 Nm
12 - Bolt
❑ ⇒ Rep. gr. 87; Exploded view - control motors
13 - Control motor for fresh air and air recirculation flap -VX96-
❑ With fresh air/air recirculation, air flow flap control motor -V425-
❑ With potentiometer for fresh air/air recirculation, air flow flap control motor -G644-
❑ ⇒ Rep. gr. 87; Removing and installing control motor for fresh air and air recirculation flap VX96
14 - Noise insulation
15 - Dust and pollen filter
❑ ⇒ Rep. gr. 87; Removing and installing dust and pollen filter
16 - Dust and pollen filter
❑ Depending on equipment/vehicle version
❑ ⇒ Rep. gr. 87; Removing and installing dust and pollen filter
7. Front heater and air conditioning unit
133
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
17 - Cover
18 - Bolt
❑ Depending on equipment/vehicle version
❑ 2 Nm
19 - Noise insulation
20 - Gasket
21 - Seal
Mounting on air intake cowling for right-hand drive vehicles
Component
Bolt -3-
Tightening torque
8 Nm
7.5
Removing and installing heater and air
conditioning unit, R1234yf
7.5.1
Removing and installing heater and air
conditioning unit
Special tools and workshop equipment required
♦ engine bung set -VAS 6122-
Removing
Immediately seal any open lines and connections with clean
plugs from engine bung set -VAS 6122-.
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.
– ⇒ Air conditioning systems with refrigerant R1234yf – Gener‐
al notes; Rep. gr. 87; Working with air conditioner service
station; Draining refrigerant circuit.
– Detach refrigerant line from expansion valve ⇒ Rep. gr. 87;
Detaching/attaching refrigerant line from/to expansion valve.
134
Rep. gr.87 - Air conditioning system