ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
Tightening torques
Bolts
Specified torque
50 Nm
Bolts for lifting aid -T10616-
4.10
Opening high-voltage battery 1 [AX2]
Special tools and workshop equipment required
♦ tap wrench -VAS 271 015-
♦ thread chaser, M24 -VAS 271 013-
DANGER
Danger to life from high voltage.
Electric shocks or arcs may lead to serious injuries or death.
– Suitable personal protective equipment (PPE) must be
worn for the subsequent work steps.
– The subsequent work steps must be supervised by an
additional specialist with appropriate qualification.
– Outside the hazard area, the additional authorised special‐
ist can support the HVE as required within the scope of his
or her qualification.
Put on the required protective equipment for the subsequent
work steps:
♦ Arc flash resistant clothing (at least APC 2, at least 318 kJ)
♦ Helmet with arc flash resistant visor (at least APC 2, at least
318 kJ)
♦ Arc flash resistant gloves with nitrile glove liners (at least
APC 2, at least 318 kJ), insulating up to at least 500 V
♦ Safety shoes with ESD protection
Open
– Remove high-voltage battery 1 -AX2- ⇒ Rep. gr. 93; Re‐
moving and installing high-voltage battery 1 [AX2], 48, 55,
62 kWh.
– ⇒ Rep. gr. 93; Leakage test of high-voltage battery 1 [AX2].
– Unscrew connecting element -4-.
4. High-voltage battery unit
141
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Inspect threaded holes -4-, and remove any soiling using
thread chaser, M24 -VAS 271 013- and tap wrench -VAS
271 015-.
– Clean threaded holes -4- using commercially available vac‐
uum cleaner with plastic nozzle.
– Unscrew bolts -3-.
– Unscrew bolts -2-.
– Remove upper part of battery housing -1-.
– ⇒ Rep. gr. 93; Voltage and insulation measurement.
– Open electric circuit before performing any further work on
high-voltage battery 1 -AX2- ⇒ Rep. gr. 93; Opening electri‐
cal circuit, 48, 55 kWh.
– For any other measures, cover high-voltage battery 1 -AX2-
in areas where no work is done.
Installing
Install in reverse order of removal, observing the following:
Tightening torques
♦ ⇒ Rep. gr. 93; Assembly overview – high-voltage battery,
removed, 48, 55, 62 kWh
4.11
Sealing high-voltage battery 1 [AX2],
48, 55, 62 kWh
4.11.1
Sealing high-voltage battery 1 [AX2]
Special tools and workshop equipment required
♦ Double cartridge gun -VAS 5237-
♦ High-voltage tool set -VAS 6762-
♦ suction lifter -V.A.G 1344-
If the high-voltage battery 1 -AX2- is opened, the flow-drill
screws must be checked and renewed according to the follow‐
ing table.
Continued
– ⇒ Rep. gr. 93; Diagnosis of high-voltage battery 1 [AX2]
– Flow-drill screws
Series standard
Rework bolt
Internal thread OK:
Internal thread not OK: e.g.
flow-drill thread stripped
Replace bolt - use stage
Drill out to 5 mm in diameter.
1⇒ Electronic parts catalogue Cut new thread using 5.4 di‐
(ETKA)
ameter tap ⇒ Electronic parts
catalogue (ETKA)
Installing
NOTICE
Leakage of high-voltage battery 1 -AX2- possible.
– Flange of lower part of battery housing must be free of
grease, sealant residue and contamination.
142
Rep. gr.93 - Electric drive systems
2024 VW ID.4 Owner's Manual
