The national average cost for a brake booster pressure sensor replacement in 2023 is $104

Name: a Brake Booster Pressure Sensor Replacement
Brand: a Brake Booster Pressure Sensor Replacement
Rating: 5 (50 reviews)

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POPULAR VEHICLES

National average cost of a a Brake Booster Pressure Sensor Replacement
for popular vehicles:

Chevrolet Malibu
Avg. cost
$104

Ford F-150
Avg. cost
$165

Car Model

Avg. cost

$50

What is a brake booster pressure sensor and how does it work?

As the name implies, a brake booster pressure sensor is a component of the brake system in a vehicle.
Automotive brakes rely on hydraulic pressure to work. When you press on the brake pedal, force is exerted by a pump (the brake master cylinder) through the fluid in a series of tubes to the brake calipers (clamps) at each wheel. The net effect is that, when you step on the brake pedal, the hydraulic force slows and stops your wheels. To help you press the pedal easily, modern vehicles incorporate a power booster attached to the master cylinder.
Brake boosters need vacuum to function. Vehicles with gasoline internal combustion engines provide vacuum to the brake booster continuously. Hybrid, electric, and diesel vehicles, on the other hand, must rely on a special vacuum pump to run the booster.
Whether vacuum is provided by the engine or by the vacuum pump, the brake booster pressure sensor measures the level of negative pressure (vacuum) available to the brake booster at any given time when your vehicle is running.

COMMON SYMPTOMS

How do I know if my vehicle needs a new brake booster pressure sensor?

Without a brake power booster, it would be extremely difficult to press the brake pedal hard enough to stop your vehicle. If the brake booster pressure sensor fails, your brake pedal might become stiff or difficult to push. Stopping times and distances might increase, while braking power is reduced. Each of these can lead to a dangerous driving condition. The check engine light or brake warning light might come on, and a diagnostic scan might reveal a trouble code related to the brake booster pressure or vacuum pump.

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HOW IS THIS SERVICE PERFORMED?

How is a a Brake Booster Pressure Sensor Replacement done?

To replace a brake booster pressure sensor, a technician will likely take the following general steps:

Disconnect the negative battery terminal to cut power to the vehicle
Remove any heat shields, guards, or other components blocking access to the sensor
Loosen and remove any hose connections and wiring associated with the sensor
Remove and replace the sensor
Attach the hoses and wires
Reinstall any components removed to access the sensor
Reconnect the battery
Verify the repair by test driving the vehicle or using a diagnostic tool to view the feedback from the sensor

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