You're about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it? Mark one answer
A The brake-fluid reservoir is empty
B The brakes are locked on fully
C The pedal movement needs adjusting
D The vacuum pump isn't working
Answer:D
You're about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it? Mark one answer
A The brake-fluid reservoir is empty B The brakes are locked on fully C The pedal movement needs adjusting D The vacuum pump isn't working
Explanation: If the brake pedal is hard to press, this could mean a loss of vacuum or a fault in the vacuum pump. You shouldn't drive the vehicle until the fault has been repaired.