76 shadow brakes
Posted in the Rolls-Royce Forum
#1 Dec 16, 2010
unusual problem with my car
it seems that as i put my foot down on the brakes
to slow down the car appears to increase in speed momentaraly before actual braking occurs.
i dont find it a major problem as i am used to it and make allowances for it but the m.o.t tester who had it on the ramp for its mot got a scare.
car has spent many years in a garage and has only covered 14,000
miles from new.
could it be that possibly the pistons in the calipers are causing this problem...
anyone had a similer problem ?
#3 Dec 17, 2010
There is another possibility for the delay in the brakes responding to pressing on the pedal. If the brake discs have become warped it would cause the pistons to be pushed further back into the calipers than normal. This would result in them having to move further to contact the discs. Because of the way the brakes are powered there is no direct feedback to the pedal so you wouldn't notice this as much as you would in most other cars and with over 2 tonnes of metal, glass, wood and leather to hold back it wouldn't be as obvious that the brakes were grabbing on & off.
#4 Dec 17, 2010
sounds like that could be a possibility
but as the vehicle has done such low mileage seemed unlikely.
but i will check the discs for run out with a gauge
also whilst i am there will check to see that both
pistons are working together in tandem on both calipers.
thanks for your help jan
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