Servicing

Brake master cylinder/brake booster, servicing





CAUTION! Before working on the brake system, read CAUTIONS and WARNINGS.

Note: Master cylinder and brake booster can be replaced separately.

1 - Brake Booster
^ With gasoline engines vacuum is taken from the intake manifold
^ With Diesel engines a vacuum pump provides the required vacuum
^ Functional check:
- With engine off, depress brake pedal firmly several times (to exhaust vacuum in unit).
- Depress brake pedal with average foot pressure, hold and start engine. If brake booster is working properly, pedal will give slightly under foot (boost becomes effective).
^ If booster is not functioning replace complete brake booster
^ Separating booster from brake pedal, Refer to Power Brake Assist.
2 - Cap
3 - Brake fluid reservoir
4 - Sealing plug
^ Moisten with brake fluid and press into reservoir
5 - Retainer pin
^ Install through brake master cylinder
6 - Brake master cylinder
^ Cannot be repaired. If faulty, replace as complete unit
7 - Self-locking nut
^ Tighten to 20 Nm (15 ft. lbs.)
^ Always replace
8 - Heat shield
^ Only for vehicles with 110 Kw engine
9 - Self-locking nut
^ Tighten to 20 Nm (15ft. lbs.)
^ Always replace
10 - Seal
^ Always replace
11 - Sealing plug
12 - Vacuum hose
^ Insert into brake booster
13 - Gasket
^ For brake booster
14 - Self-locking nut
^ Tighten to 20 Nm (15 ft. lbs.)
^ Always replace
15 - Boot
^ Must be seated correctly or may cause air noise.