Golf GLS Turbo Hydraulic Assembly - Technical Bulletins
Hydraulic Control Assembly - Antilock Brakes: Locations
Note: Complete brake master cylinders and brake boosters can be replaced separately.
1
Brake Booster
^
For gasoline engines vacuum is taken from the intake manifold
^
Diesel engines have a vacuum pump to create the required vacuum
^
Functional check:
-
With engine switched off, depress brake pedal firmly several times (to exhaust vacuum in the unit)
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Hold brake pedal with average foot pressure in brake position and start engine. If brake booster is functioning properly, brake pedal should
give noticeably underfoot.
^
If pedal does not give, replace brake booster
^
Check valve (in vacuum hose)
Functional check
^
Separating from brake pedal.
2
Cap
3
Brake fluid reservoir
4
Plug
^
Coat with brake fluid and press into reservoir
5
Retaining pin
^
Insert through brake master cylinder
6
Brake master cylinder
^
Cannot be repaired. If faulty, replace as complete unit
7
Hex nut, self locking 20 Nm (15 ft. lbs.)
8
Bolt, 8 Nm (70 inch lbs.)
9
Cap nut, 20 Nm (15 ft. lbs.)
10
ABS/EDL hydraulic unit
11
ABS control module