![]() Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Use caution when working with automotive batteries. ![]() Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Always chock your wheels prior to lifting a vehicle. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.īe sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. This option only requires one person, and is less labor intensive.Īdvice, how-to guides, and car care information featured on and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Each method takes different amounts of effort, people, and time, but all three require the same tools. If the brake pedal fades away under foot pressure, there may be problems elsewhere in the brake system such as with the brake master cylinder.īleeding your brake system can be done a few ways. This creates air pockets and these pockets lead to weak, spongy brakes. So when fluid heats up from the friction of stopping, the absorbed water boils and evaporates. Water has a lower boiling point than brake fluid. Even though it lives in a closed system, water sometimes seeps inside. Brake fluid is hygroscopic, which means it absorbs water. If your brake pedal is feeling spongy, bleed and replace the fluid. It’s cheaper and easier than replacing brake lines or the master cylinder, both of which can corrode with old fluid. Keeping fluid fresh helps maintain solid stops. Overall, it’s a good idea to bleed and replace your brake fluid every five years or every time you work on your brake system. Some manufactures recommend new fluid every 20,000 miles, and some recommend a bleed at 150,000 miles. ![]() Schedules vary, so check your owner’s manual for exact timelines. Every vehicle’s brakes need to have the fluid bled and replaced from time to time.
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