Rover DEFENDER 300Tdi, Workshop Manual

Page: 296 / 450

70
BRAKES
2 OVERHAUL
MASTER CYLINDER
Service repair no - 70.30.09
Before starting overhaul procedure refer to general
brake service practice
See Repair, General brake
service practice .
Dismantling master cylinder
1. Disconnect battery and remove master cylinder
from servo See Repair, Master cylinder .
2. Before commencing overhaul procedure
thoroughly clean master cylinder and inspect
outer surfaces for damage and condition, renew
complete assembly if necessary.
3. The reservoir is a push fit in master cylinder and
secured by seals. Carefully ease reservoir from
master cylinder by rolling it from seals as
illustrated.
4. Using soft jaws, one either side of master
cylinder flange and clamp flange in a suitable
vice. Remove water ingress ’O’ ring seal from
master cylinder to servo flange and discard.
5. Hold outside of transfer housing with a suitable
pair of grips, carefully pull, while working pliers in
a backwards and forwards rocking motion to
ease housing off master cylinder, discard
housing and vacuum seal.
6. Withdraw 2 reservoir seals from master cylinder
and note their positions in inlet ports for
reassembly. Discard both seals.
7. Remove retaining ring and ’O’ ring seal from
machined outer surface of master cylinder,
discard both seal and retaining ring.