Range Rover Classic
70
BRAKES
4
FAULT DIAGNOSIS
SYMPTOM
POSSIBLE CAUSE
CHECK
REMEDY
Brake fluid warning light
OFF. Pedal travel
increased, foot pressure
normal
Insufficient bleeding
Rebleed master cylinder
circuit
Master cylinder
malfunction
Change booster and
bleed system
Hydraulic pump runs
constantly
Fluid loss
Check reservoir level and
inspect system for leaks
Rectify leakage as
necessary, refill reservoir
Pump non-return valve
faulty
Change hydraulic pump
Hydraulic pump runs
constantly with warning
lights OFF. Pedal travel
normal.
Malfunction of pressure
switch
Disconnect pressure
switch
Relay switch malfunction
a) If pump stops
a) Change hydraulic
pump
b) If pump continues
running
b) Change relay or cable
Pedal can be moved
downwards under
constant pressure
Seal leaking in master
cylinder
Inspect system for leaks
Change booster unit
Seal leaking in servo unit
Change booster unit
