I have a 2001 tdi mondeo ghia with a problem with the brakes.
Sometimes the brake pedal is soft and goes to the floor and then
without warning the brake pedal goes rock hard and the car feels like
is isn't going to stop. When the pedal goes hard the abs activates
causes me to skid down the road. It happens more at low reves and when
the brakes haven't been used for a while(i.e. motorway driving),or when
i'am driving downhill. I've also had a problem with the hand brake,
which I've changed but the rear right wheel keeps getting very hot
like the brakes are sticking on. I've gone though two lots of rear
pads in 7 months but the garage says they can't find anything wrong
with the rear brakes. I've been told its possibly the master cylinder
or the brake servo pump because its a diesel but no one with give me a
Well the lack of brake pedal can be caused by the brake fliud
overheating because the rear right wheel is binding. If you've changed
the handbrake cable, the other option is a seized caliper. Rear pads
should last years, not months.
A hard pedal is usually a lack of servo assistance. AFAIK, the vacuum
pump is on the back of the alternator or powered by the alternator belt
so check the alternator belt tension.
If the garages you are going to can't give you a firm answer, try
somewhere else. Being diesel makes no difference apart from the vacuum
being generated by a pump which is just as easy to check as a petrol
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