Power Brake Booster Check Valve

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  • Part Number: 80189
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Maintain Vacuum
The best power brake booster check valve for cars and trucks ensures the brake booster maintains a vacuum for proper function when the engine no longer runs. Most modern cars have a brake booster due to the brake safety they provide the driver and passengers. The check valve protects the brake lines from getting an air bubble by sucking out trapped air from the brake booster and preventing it from entering the brake cylinder. An air bubble in the brake lines negatively impacts their function leading to squishy brakes. Even if the engine is not running, the check valve continues to hold the vacuum suction to allow for easy, fast braking of the vehicle. Brakes that stop working or are spongy may indicate a bad check valve. A difficult to engage brake pedal can also signal an issue with the check valve.

Valve Test
Find AutoZone on your search for a power brake booster check valve near me. If you think the power brake booster check valve is faulty, there are steps you can take to test the valve. The brake booster is a dome-shaped assembly located on the driver's side on the engine compartment's rear wall. Access it by opening the hood while the vehicle is parked. A vacuum hose runs from the brake booster to the intake manifold of the engine. You can remove the hose clip or clamp with a screwdriver or pliers. A properly functioning check valve prevents air from entering the hose. Use an aspirator such as a turkey baster to try and blow air into the hose. If air enters the hose, it is time to replace the check valve. Use the aspirator to suck air out of the hose. A blocked hose or failing check valve prevents air from leaving the hose.

Affordable Brakes
For the lowest prices on power brake booster check valve visit your local area AutoZone. Replacing your brake system parts shouldn't break your bank. At AutoZone, we carry the latest brands that offer optimal braking performance while keeping the prices low for our customers. Replace your brake check valve, purchase brake fluid, find the right brake booster and get expert tips all in one place. Maintaining your vehicle should only be as difficult as the replacement task. You shouldn't have to scour the internet and stores for the right parts at prices you can afford. AutoZone has knowledgeable, friendly staff to help you drive safely on the road. We can search for your make and model and find the braking parts designed to fit your vehicle. We can help you troubleshoot automotive issues. Get everything you need to replace your entire brake system and the supplies you need to clean up afterward. A creeper, towels and hand cleaner are handy items to have while working on your brakes.

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