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Replace a Spare part Brake Power Regulator – a defective one or if the limit of use has been already reached. Find out useful information about Brake Power Regulator

Perhaps, vacuum brake booster is the most common type of the booster that is used in the brake systems of any modern car. It creates an auxiliary force to the brake pedal due to uncharging. Booster utilization makes brake system operation much easier and thus reduces driver’s tiredness. Brake booster acts on all wheels simultaneously. Brake booster is needed to reduce the effort on the brake pedal but with preservation of the productivity of the service brake system. Nowadays even small cars have brake booster.

So, how and on which principle the booster operates? The body is divided into two containers by a bulkhead. A rod passes through the diaphragm. To one end of the rod the brake pedal is attached. With the second it presses on the master brake cylinder valve. One of the grooves is connected to the engine intake manifold with the help of a pipe. When the engine is on, in the inlet channel and in the booster container connected to the collector depression occurs. The booster has two valves: air and vacuum. If the brake pedal is not pressed, the valves have several positions: vacuum, connecting two booster cavities, is open, which creates a single vacuum on both sides of the diaphragm. Air valve is closed.

When the driver presses the brake pedal, the rod begins to move and turn control valves to a different position. The vacuum valve is blocking communication between the cavities, and the air makes it possible to let air into the cavity located between the diaphragm and the pedal. On one side of the diaphragm is depression from the engine, on the other - the atmospheric pressure. This principle allows the driver to slow down without much effort. Do you need a brake booster? Visit our online shop. And you get a guaranteed quality parts, fast delivery and excellent service. We are pleased to offer you such car parts as servo cylinder, fuel tank and much more.

Brake Power Regulator for PEUGEOT PARTNER Box (5), FIAT TEMPRA (159), CHRYSLER VOYAGER III (GS)

Faults of brake proportioning valve
  • mechanical damage;
  • metal corrosion;
  • faulty pistons;
  • drive failure.
Symptoms of brake proportioning valve failure
  • skid or wobble of the vehicle during braking;
  • increase in the rigidity of the brake pedal;
  • incomplete locking of the rear wheels when the brake pedal is fully depressed;
  • increase of the braking distance;
  • stains of oil or brake fluid on the rubber boot;
  • air in the rear circuit;
  • warning readings.
Causes of brake proportioning valve faults
  • longer use of spare parts than the specified service life;
  • low amount of brake fluid;
  • oxidation of the pistons;
  • ingress of air into the circuit;
  • weakening or deformation of the actuator arm;
  • damage to the boot;
  • ingress of dirt or foreign objects.
Diagnostics

Faults of brake proportioning valve are very difficult to identify on your own because its symptoms are similar to the entire brake system malfunctions. you should diagnose the item every time you change the brake fluid - every 1-1.5 years. The average service life of the valve is about 2 years.

Replacement of the brake proportioning valve

Repair of the brake proportioning valve is not performed. At fault only part replacement is required. When serious errors and failures in the system occur, you can temporarily disconnect the valve. To do so, directly connect the master cylinder to the rear circuit.

To replace the valve, unscrew the mounting of two main and two exhaust pipes of the part. The part must be replaced only at a service station.

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