Volkswagen ID.3: Brake, brake mechanics. Rear brake

Volkswagen ID.3 (E11, E12) 2020-2024 Service Manual / Running gear / Brake system / Brake, brake mechanics. Rear brake

Assembly overview - rear brake, drum brake version
Assembly overview – brake shoes
Removing and installing brake backplate
Removing and installing gasket for brake backplate
Removing and installing brake shoes
Removing and installing brake drum

Assembly overview - rear brake, drum brake version

The overview is shown for the left side of the vehicle as an example.

1 - Multi-point socket head bolt

❏ Qty. 4

❏ N.108.626.01

❏ Renew after removing

❏ M10 x 58

❏ 50 Nm +180°

2 - Bracket

3 - Wheel bearing housing

❏ → Running gear, axles, steering; Rep. gr.42; Wheel bearing, trailing arm; Assembly overview – wheel bearing

4 - Gasket

❏ → Rep. gr.46; Removing and installing gasket for brake backplate

5 - Brake backplate with brake shoes

❏ → Rep. gr.46; Removing and installing brake backplate

6 - Multi-point socket head bolt

❏ Qty. 3

❏ M8 x 25

❏ 20 Nm +45°

7 - Plug

8 - Brake drum

❏ Wear limit → Rep. gr.00; Test and adjustment values

9 - Bolt

❏ → Running gear, axles, steering; Rep. gr.42; Wheel bearing, trailing arm; Assembly overview – wheel bearing

10 - Torx bolt

❏ M6 x 16

❏ 8 Nm

11 - Brake hose with banjo union and banjo bolt

❏ Ensure correct installation position

❏ Banjo bolt on wheel brake cylinder: 45 Nm

12 - Clip

13 - Retainer

14 - Brake line

❏ 14 Nm

Assembly overview – brake shoes

The overview is shown for the left side of the vehicle as an example.

1 - Brake carrier

2 - Hold-down pin

3 - Sealing plug

4 - Bolt

❏ 10 Nm

5 - Protective cap for bleeder screw

6 - Bleeder valve

❏ 10 Nm

7 - Pin

❏ For brake hose adjustment

8 - Bolt

❏ 8 Nm

9 - Bracket for parking brake motor

10 - Left parking brake motor -V282-/right parking brake motor -V283-

❏ → Rep. gr.46; Removing and installing parking brake motor [V282]/[V283]

11 - Lower support

12 - Brake shoe

❏ Check thickness of brake linings → Booklet; Front and rear brake pads/linings: Checking thickness

❏ Renew on both sides

❏ Wear limit → Rep. gr.00; Test and adjustment values

❏ → Rep. gr.46; Removing and installing brake shoes

13 - Retaining clip

❏ For locking brake shoe

❏ Qty. 2

14 - Lower return spring

15 - Upper return spring

16 - Automatic adjuster

❏ Left-side version with annular groove on coarse adjuster

❏ With adjustment screw

17 - Wheel brake cylinder

❏ → Rep. gr.47; Check wheel brake cylinder for leaks

18 - Brake shoe with lever for parking brake

❏ Check thickness of brake linings → Booklet; Front and rear brake pads/linings: Checking thickness

❏ Renew on both sides

❏ Wear limit → Rep. gr.00; Brake technical data

❏ → Rep. gr.46; Removing and installing brake shoes

Removing and installing brake backplate

Special tools and workshop equipment required

♦ hook -VAS 281 007-

Removal and installation are described for left side of vehicle as an example.

Removing

– Remove wheel bearing unit → Running gear, axles, steering; Rep. gr.42; Wheel bearing, trailing arm; Removing and installing wheel bearing unit .

– Unscrew bolt -5-.

– Unscrew bolts -2-.

– Unscrew bolts -arrows-.

– Detach brake backplate -1- from wheel bearing housing -2-.

– Secure brake backplate -1- to body -arrow- using hook -VAS 281 007- -2-.

Installing

Install in reverse order of removal, observing the following:

– Renew gasket for brake backplate → Running gear, axles, steering; Rep. gr.42; Wheel bearing, trailing arm; Removing and installing gasket for brake backplate.

Tightening torques

♦ → Brake system; Rep. gr.46; Rear brake; Assembly overview – rear brake, drum brake

♦ → Brake system; Rep. gr.46; Rear brake; Assembly overview – brake shoes

Removing and installing gasket for brake backplate

Special tools and workshop equipment required

♦ Adhesive strip remover -VAS 6349-

♦ guide bolt -T10406-

♦ template -T10669-

Removal and installation are described for the left vehicle side as an example.

Removing

– Remove brake backplate → Brake system; Rep. gr.46; Rear brake; Removing and installing brake backplate.

– Remove sealant residue -2- using adhesive strip remover -VAS 6349-.

– Clean sealing surfaces using commercially available methylated spirits.

Important

● Cleaned surfaces must be free of greasing and sealing agents.

– Remove sealant residue -2- using adhesive strip remover.

– Clean sealing surfaces using commercially available methylated spirits.

Important

● Cleaned surfaces must be free of greasing and sealing agents.

Installing

Install in reverse order of removal, observing the following:

– Screw guide pin -T10406- -A- into holes of wheel bearing housing -1-.

Important

● If gaskets -1- were not fitted at factory, retrofitting must always be carried separately for each axle.

– Insert gasket -1- into side “L” of template -T10669- -B-.

Important

● Note markings on template -B- for relevant side of vehicle.

– Pull off protective film.

– Fit template -B- over guide pins -A- onto wheel bearing housing -1-.

– Press on gasket in marked areas -arrows-.

– Remove template -B-.

– Press on gasket -2- over entire circumference.

– Pull off protective film -2-.

Removing and installing brake shoes

Special tools and workshop equipment required

♦ Assembly tool -T30114-

♦ assembly device -T10635-

♦ assembly pliers -T10623-

WARNING

Health hazard due to poisonous dust from brake system.

Risk of irreversibly deposited dust particles in the lungs. Risk of respiratory health problems.

– Do not blow out brake system with compressed air.

Removal and installation are described for the left side of vehicle as an example.

Important

● Do not operate brake when system is open.

Removing

– Remove brake drum → Rep. gr.46; Removing and installing brake drum.

– Turn clip -1-.

– Use assembly tool -T30114- -A- to release and pull out clip -1- in direction of -arrow B-. Press against pin from behind while doing so.

– Using commercially available water pump pliers -A-, lever brake shoe -1- in direction of -arrow B- out of reaction block -3-.

– Put brake shoe -1- in direction of -arrow C- before reaction block -3-.

– Unhook lower return spring -2-.

– Bring clip -1- in position.

– Use assembly tool -T30114- -A- to release and pull out clip -1- in direction of -arrow B-. Press against pin from behind while doing so.

NOTICE

Risk of damage to wheel brake cylinder, boot and automatic adjuster through improper handling.

Any damage will have a negative effect on the function of the automatic adjuster and the brake.

– Remove both brake shoes.

– Press together brake shoes -1- and -2- in direction of -arrows A-, and pull in direction of -arrows B-.

– Detach handbrake cable -2- from handbrake lever -1-.

– Lever upper return spring -arrow- out of brake shoe -1- using commercially available screwdriver -A-.

Installing

Install in reverse order of removal, observing the following:

CAUTION

Risk of injury from chemical cleaning agents. Chemical cleaning agents can be highly flammable and can cause eye and skin irritation.

– Wear safety goggles, safety gloves and a respirator mask.

– Observe safety data sheet and instructions for use of the cleaning agent.

– Clean brake system.

Important

● Use only commercially available methylated spirits for cleaning the brake system.

11"- brake system models

– Grease contact surfaces -arrows A- and -arrows B- with lubricating paste. For allocation, see → Electronic parts catalogue (ETKA).

All vehicles (continued)

13"- brake system models

– Grease contact surfaces -arrows A- with lubricating paste. For allocation, see → Electronic parts catalogue (ETKA).

All vehicles (continued)

– Attach handbrake cable -2- to handbrake lever -1-.

– Install brake shoe -2- with handbrake lever.

– Use assembly tool -T30114- -A- to insert clip -1-. Press against pin from behind while doing so.

– Insert upper return spring -2- into brake shoes -3- and -5-.

– Position brake shoe -3- on wheel brake cylinder -1-, swing in direction of -arrow-, and place it in front of reaction block -4-.

– Attach lower return spring -1-, and lever brake shoe -3- into reaction block -2- using commercially available water pump pliers -2-.

– Use assembly tool -T30114- -A- to insert clip -1-. Press against pin from behind while doing so.

– Turn clips -2- and -4- to horizontal, and align return springs at top -1- and bottom -3- in position.

– Note that the automatic adjuster has a fine mechanism.

NOTICE

Risk of damage to automatic adjuster from improper handling.

Deformations can negatively influence the function of the automatic adjuster.

– Handle components with care.

– Do not deform components.

– No adjustment on gear wheel.

Important

● To ensure that the brake functions optimally, pre-adjustment of the automatic adjuster is required. The automatic adjuster must be free to rotate and it should be possible to install it without applying force.

– Turn bolt in direction of -arrow A- for “rough adjustment”.

– Push regulator in direction of -arrow B- to activate “fine adjustment”.

NOTICE

Malfunction and risk of damage to the rear brake due to incorrect adjustment of the automatic adjuster.

– The automatic adjuster must be adjusted manually to attain the requisite diameter at the brake shoes.

– Screw automatic adjuster in or out, in such a way that it sits between both brake shoes with slight pretension thus adjusting the rear brake.

– Press brake shoes -1- and -2- apart using assembly pliers -T10623- -A-.

– Position automatic adjuster in recesses -arrow B- and -arrow C-.

– Note installation position of automatic adjuster -1-.

Important

● Thermo clip -arrow A- must point towards brake backplate -3- while threaded side -arrow B- points towards brake shoe -2- with handbrake lever.

● Shorter guide of threaded side -arrow B- must point towards brake backplate -3-.

– Fit assembly device -T10635- -A- to wheel hub -1- using enclosed bolts -B-.

Important

● Bolts -B- of assembly device -T10635- -A- must be screwed into through-holes.

– Using assembly pliers -T10623- -B-, repeatedly push brake shoes -1- and -2- in direction of -arrows- until no adjustment is visible nor audible on automatic adjuster.

– Remove setting tool -T10635- -A-.