volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Connecting brake lines from brake master cylinder to hydraulic unit > < Installing control unit and hydraulic unit
ABS Mark 60 (ABS/EDL/TCS/ESP) up to week 22/2008
   
ABS Mark 60 (ABS/EDL/TCS/ESP) up to week 22/2008
1 - ABS control unit -J104-
Separation of the control unit and hydraulic unit is not possible in vehicles with hydraulic brake servo or hill hold assist.
q   Removing and installing → Chapter.
2 - ABS hydraulic unit -N55-
Separation of the control unit and hydraulic unit is not possible in vehicles with hydraulic brake servo or hill hold assist.
q   Removing and installing → Chapter.
3 - Brake line
q   From primary piston circuit of brake master cylinder to hydraulic unit.
q   Identification: Ø 6.5 mm and union nut with long thread M 12 x 1.
4 - Brake line
q   From secondary piston circuit of brake master cylinder to hydraulic unit.
q   Identification: Ø 6.5 mm and union nut with long thread M 12 x 1.
5 - Brake line
q   To front left brake caliper.
q   Identification: Ø 5.25 mm and union nut with short thread M12 x 1.
6 - Brake line
q   To front right brake caliper
q   Identification: Ø 5.25 mm and union nut with thread M10 x 1
7 - Brake line
q   To rear left brake caliper
q   Identification: Ø 5.25 mm and union nut with short thread M12 x 1.
8 - Brake line
q   To rear right brake caliper
q   Identification: Ø 5.25 mm and union nut with thread M10 x 1
9 - Torx socket head bolt, 5.5 Nm
q   Use new bolts.
10 - Bracket
11 - Hexagon bolt, 8 Nm
12 - Seal
q   For brake servo.
13 - Brake servo
q   On petrol engines, the required vacuum is taken from the intake manifold.
q   Some vehicles with a petrol engine and an automatic gearbox are equipped with a brake vacuum pump → Chapter.
q   A vacuum sender is fitted in vehicles with HBV → Chapter.
q   Diesel engines are fitted with an vacuum pump to create the required vacuum → Chapter.
q   Functional check:
–  With engine switched off, depress brake pedal firmly several times. (This will release the vacuum in the unit.)
–  Now step on and hold brake pedal with medium pressure and start engine. If the brake servo is functioning properly, the brake pedal will be felt to go down as the servo takes effect.
q   If faulty, renew completely (check all vacuum lines first).
q   Removing and installing → Chapter.
14 - Sealing ring
15 - Brake servo vacuum sender -G483-
q   Only on vehicles having HBV
q   Removing and installing → Chapter.
16 - Brake master cylinder
q   Allocation → Electronic Parts Catalogue (ETKA).
q   Cannot be repaired. If faulty, renew as a complete unit.
q   Removing and installing → Chapter.
17 - Heat shield
18 - Hexagon nut, 25 Nm
q   Always renew after removing.
19 - Sealing plug
q   Moisten with brake fluid and press into brake fluid reservoir.
20 - Brake fluid reservoir
21 - Cap
22 - Sealing plug
q   Connection for vacuum hose.
23 - Vacuum hose
q   Fit in brake servo.

   

Connecting brake lines from brake master cylinder to hydraulic unit > < Installing control unit and hydraulic unit