| Here are some clues to tell what's wrong with your master cylinder |
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Fluid overflow from the top of the reservoir suggests the brakes were
serviced (new brake pads) and the fluid had been topped up BEFORE the pads
were changed!
fluid leaking down the pedal levers = end seal leak NO BRAKES!!!! INFINATE TRAVEL! plume of fluid visible in the brake fluid reservoir when the pedal is pushed = internal seal leak NO BRAKES OR ONE CIRCUIT WORKING!!!!!! INFINATE TRAVEL! brake pedal pumps up but is soft = air in the system SOFT BUT WORKING LONG TRAVEL pedal travel long but pedal hard at end of travel = rear/front drums need adjusting HARD PEDAL AFTER LONG TRAVEL brake pedal pumps up giving hard pedal but needs pumping up again if the car is pushed along the road = loose wheel bearings wobbling discs pushing caliper pistons into caliper, would feel vibration through brake pedal and need to repeatedly pump pedal each time it was re-depressed after release (if driving) HARD PEDAL AFTER LONG TRAVEL |