ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
WARNING
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) re-energise the high-voltage system.
– ⇒ Rep. gr. 93; Re-energising high-voltage system.
Tightening torques
♦ ⇒ Rep. gr. 87; Assembly overview – air intake unit of heater
and air conditioning unit
♦ ⇒ General body repairs, exterior; Rep. gr. 50; Lock carrier;
Assembly overview – lock carrier
7.17
Removing and installing air intake
cowling
Removing
– Remove air intake box ⇒ Rep. gr. 87; Removing and instal‐
ling air intake box of heater and air conditioning unit.
– Remove heater and air conditioning unit ⇒ Rep. gr. 87; Re‐
moving and installing heater and air conditioning unit.
– Release fasteners -6- from grommet -5-.
– Guide high-voltage wire -7- out of air intake cowling -4-.
– Unscrew bolts -1- to -3-.
– Unscrew nuts -1- to -7-.
150
Rep. gr.87 - Air conditioning system
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
– Detach air intake cowling -8-.
Installing
Installation is carried out in reverse order; note the following:
NOTICE
Water entering into heater and air conditioning unit and interi‐
or due to damaged gaskets/seals.
– Fit gaskets/seals correctly.
– Check gaskets/seals for damage.
– Check seal -9- for damage.
– Tighten nuts in sequence -1- to -7-.
– Tighten bolts in sequence -1- to -3-.
– Guide high-voltage wire -7- through opening in air intake
cowling -4-, making sure it is routed correctly.
– Clip in fasteners -6- of grommet -5-.
7. Front heater and air conditioning unit
151
ID.4 2021 ➤
Heating, air conditioning system - Edition 09.2021
Tightening torques
♦ ⇒ Rep. gr. 87; Exploded view - air intake box of heater and
air conditioning unit
♦ ⇒ Rep. gr. 87; Exploded view - heater and air conditioning
unit
7.18
Removing and installing high voltage
heater (PTC) [ZX17]
7.18.1
Removing and installing high voltage
heater (PTC) [ZX17], left-hand drive
vehicles
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 tunnel support cover ⇒ General body repairs, interi‐
or; Rep. gr. 70; Dash panel; Removing and installing tunnel
support cover.
– Remove footwell vent on front passenger side ⇒ Rep. gr. 87;
Removing and installing footwell vent on front passenger
side.
– Disconnect electrical connector -4-.
– Unscrew bolts -2- and -3- from high-voltage heater (PTC)
-ZX17- -1-.
– Disconnect electrical connector - 7-, and loosen retaining
clip -5-.
152
Rep. gr.87 - Air conditioning system
2024 VW ID.4 Owner's Manual
