Brake Master Cylinder Diaphragm Position Sensors

Replacement Parts > Brake > Sensors

Brake Master Cylinder Diaphragm Position Sensors

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is a Brake Master Cylinder Diaphragm Position Sensor?

A Brake Master Cylinder Diaphragm Position Sensor is a type of sensor that monitors the position of the diaphragm inside the brake master cylinder.

What is the purpose of a Brake Master Cylinder Diaphragm Position Sensor?

The purpose of a Brake Master Cylinder Diaphragm Position Sensor is to detect the position of the diaphragm within the master cylinder and to alert the driver when the diaphragm is in an incorrect position.

How can I tell if my Brake Master Cylinder Diaphragm Position Sensor is faulty?

Symptoms of a faulty Brake Master Cylinder Diaphragm Position Sensor may include:

  1. Decreased braking performance
  2. Erratic braking response
  3. Illuminated warning lights
  4. Unusual noises from the brakes


Can a faulty Brake Master Cylinder Diaphragm Position Sensor cause damage?

Yes, a faulty Brake Master Cylinder Diaphragm Position Sensor can cause damage. If not replaced in a timely manner, it can lead to increased wear on the brakes and other components, causing costly repairs.

How often should I inspect my Brake Master Cylinder Diaphragm Position Sensor?

It is recommended that you inspect your Brake Master Cylinder Diaphragm Position Sensor every 12-15,000 miles or as part of a regular brake inspection.

How do I replace a Brake Master Cylinder Diaphragm Position Sensor?

To replace a Brake Master Cylinder Diaphragm Position Sensor, you will need to:

  1. Disconnect the negative battery cable
  2. Remove the brake master cylinder
  3. Remove the diaphragm position sensor
  4. Install the new diaphragm position sensor
  5. Reinstall the brake master cylinder
  6. Reconnect the negative battery cable