Three problems related to power assist brake have been reported for the 2000 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Volvo S40 based on all problems reported for the 2000 S40.
Power brakes don not work well.
Defect exists with vacuum seal on brake pump. When vehicle is "cold" there is no pressure on brakes, and pedal goes to the floor, but vehicle will not stop. Vehicle has been checked by dealer 3 times.
Brakes don't engage when car has been sitting overnight or for more than 6-8 hours.