Opel Corsa B 1993–2000 Service and Repair Manual: Brake servo vacuum hose and non-return valve - renewal
1. The plastic hose fitted as original equipment cannot be re-used; to renew the valve, the hose must therefore be renewed as well. A serviceable valve can, however, be transferred to the new hose.
2. Unscrew the hose union nut at the inlet manifold (see illustration).
Brake servo vacuum connection at
inlet manifold (fuel injection model)
3. Pull or prise the elbow connector out of the servo (see illustration).
Brake servo vacuum connection at
servo
4. Cut the hose off the non-return valve, the elbow and the manifold connectors.
5. Cut the new hose to length - it is sold by the yard - and secure it to the valve and fittings using hose clips. Make sure that the arrows on the valve point towards the manifold.
6. Refit the connectors to the manifold and to the servo.
Pressure regulating valves -
testing, removal and refitting
Testing
1. Accurate testing of either type of pressure
regulating valve (master cylinder mounted or underbody mounted) is not possible without
special equipment. Malfunction may be
suspected if th ...
Vacuum servo unit - testing,
removal and refitting
Testing
1. To establish whether or not the servo is
operating, proceed as follows.
2. With the engine not running, apply the
brake pedal several times to exhaust any
residual vacuum.
3. Hold the ...
See also:
Opel Corsa B 1993–2000 Service and Repair Manual. Buying spare parts
Spare parts are available from many
sources; for example, Vauxhall garages, other
garages and accessory shops, and motor
factors. Our advice regarding spare part
sources is as follows.
Official ...
