ID.4 2021 ➤
Brake system - Edition 07.2021
2
Identification
2.1
Allocation of PR number - brakes
2.1.1
Front brakes
Relevant information on the installed brakes can be found in the
vehicle-specific notes in ElsaPro/erWin.
♦ For allocation, refer to ⇒ Electronic parts catalogue (ETKA) .
♦ The following table explains the PR numbers. This data is
important for the brake caliper/brake disc and brake pads.
Drive
PR No.
Front brake
Rear-wheel drive
1LB / 1LF
1LC / 1LN
18”, 1K, 60 in diam.
Rear-wheel drive
18”, 1K, 46/46 in di‐
and all-wheel drive
am.
2.1.2
Rear brakes
Relevant information on the installed brakes can be found in the
vehicle-specific notes in ElsaPro/erWin.
♦ For allocation, refer to ⇒ Electronic parts catalogue (ETKA) .
♦ The following table explains the PR numbers. This informa‐
tion is important for the wheel brake cylinder/brake drum and
brake shoe combination.
Drive
PR No.
1KB
Rear brake
Rear-wheel drive
11” drum brake
and all-wheel drive
2
Rep. gr.00 - Technical data
ID.4 2021 ➤
Brake system - Edition 07.2021
3
Technical data for brakes
3.1
Brake master cylinder and brake servo
Brake master cylinder
Brake servo
Diameter in mm
Electromechanical brake servo
25.4
3.2
Front brakes
Front brake, 18”, 1K, 60 in diam.
Item PR No.
1LB, 1LF
18”, 1K, 60 in diam.
11
1
2
Brake caliper
Brake pad,
mm
mm
thickness
Brake pad,
2
wear limit with‐
out backplate
3
4
Brake carrier
Wheel bearing
housing with
wheel bearing
5
Brake disc
Diam‐
eter in
mm
330
Brake disc,
thickness
mm
23
20
60
Brake disc,
mm
wear limit
6
Brake caliper
piston
Diam‐
eter in
mm
Front brake, 18”, 1K, 46/46 in diam.
3. Technical data for brakes
3
2024 VW ID.4 Owner's Manual
