Assembly overview – rear brake, drum brake — VW

Assembly overview – rear brake, drum brake
Note
After renewing wheel brake cylinder, brake backplate and brake shoes, depress brake pedal firmly several times with vehicle stationary so that the brake shoes are properly seated in their normal operating position.
Use the
brake filling and bleeding equipment
VAS 5234
to draw off brake fluid from the brake fluid reservoir.
Before removing a wheel brake cylinder or brake backplate or disconnecting a brake line from the wheel brake cylinder, fit
brake pedal depressor
V.A.G 1869/2
(release pressure in system).
1
Axle beam
2
Hexagon socket head bolt
8 Nm
3
Speed sensor
Before inserting sensor, clean inner surface of hole and coat with
high-temperature paste
G 052 112 A3
.
4
Brake line
14 Nm
5
Stub axle
6
Handbrake cable
Adjusting handbrake
Chapter
.
7
Hexagon bolt
Running gear, axles, steering
Rep. gr.
42
Suspension link wheel bearing; Assembly overview - wheel bearings
8
Torx bolt
4 Nm
9
Brake drum
Wear limit
Chapter
Retract brake before removing brake drum
Chapter
Clean carefully and check for wear, damage, dimensional accuracy and flawless brake surface.
10
Cap
Removing and installing
Running gear, axles, steering
Rep. gr.
42
Suspension link wheel bearing; Assembly overview - wheel bearings
.
11
Twelve-point nut
Self-locking
Renew after removal
Running gear, axles, steering
Rep. gr.
42
Wheel bearing, trailing arm; Assembly overview – wheel bearing
12
Wheel hub with wheel bearing
Removing and installing
Running gear, axles, steering
Rep. gr.
42
Suspension link wheel bearing; Assembly overview - wheel bearings
.
13
Brake backplate with brake shoes
Minimal thickness of brake lining: 2.5 mm.
Checking thickness
Maintenance
Booklet
Front and rear brake pads/linings: Checking thickness
.
Retract brake before removing brake drum
Chapter
After working on rear wheel brakes:
Release handbrake.
Firmly depress brake pedal once.
1
Spring plate
To remove, push against compression spring and turn through 90°.
2
Compression spring
3
Brake shoe with lever for handbrake
Removing and installing
Chapter
Adjusting handbrake
Chapter
.
4
Upper return spring
Detach using
hook
3438
5
Lower return spring
Grease contact surfaces with
lubricating paste
G 000 650
6
Spring
7
Brake shoe
Removing and installing
Chapter
Brake linings can also be supplied without brake shoes.
8
Cap
Remove to check brake lining thickness.
9
Hold-down pin
10
Brake carrier
11
Hexagon socket head bolt
8 Nm
12
Wheel brake cylinder
Check for leaks
Fig.
.
13
Wedge
To remove and install the brake drum, push upwards through a wheel bolt hole
Chapter
.
14
Plunger rod
Grease contact surfaces with
lubricating paste
G 000 650
15
Locating spring
Detach using
hook
3438
Checking wheel brake cylinder for leaks
Lift off dust boot with
removal wedge
3409
.
If brake fluid is found in the dust boot, renew wheel brake cylinder.
Ensure the dust boot is not damaged when lifting off.