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On average, the cost for a Infiniti QX4 Vacuum Booster Replacement is $520 with $263 for parts and $256 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2001 Infiniti QX4V6-3.5L | Service typeVacuum Booster Replacement | Estimate$836.67 | Shop/Dealer Price$1015.48 - $1445.57 |
Today’s braking systems use a number of different components, one of which is called the vacuum booster, or brake booster. It is the main component in the power brake system. The vacuum booster is attached to the brake master cylinder, and sits between the master cylinder and the firewall on the driver’s side, to the rear of the engine compartment. It has a rod that extends into the brake master cylinder to create line pressure, forcing the caliper to squeeze the brake rotors. The vacuum booster ‘boosts’ brake pedal pressure with vacuum to make it easier to press the pedal.
The vacuum booster does not require any maintenance and is designed to last the lifetime of your vehicle. It is possible, though very rare, for an internal failure to occur. If that is the case, have one of our expert technicians diagnose the vacuum booster.
While a failed vacuum booster will not render the brakes completely dysfunctional, it will make the brakes much harder to apply. Stopping distance is increased, which poses a safety risk in short braking situations. Have a faulty vacuum booster replaced immediately.
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