May 05, 2015
Brake Maintenanc-Bleeding Your Brakes
Brake Maintenance: Bleeding Your Brakes If you've replaced brake lines on your
car md802,or
believe that air has gotten into your brake lines (see Brake Maintenance: 5
Warning Signs for symptoms of this problem),you'll need to"bleed"your brakes so
they'll work properly again. Basically this means getting any air in your brake
lines out,which can be tricky as air that's trapped in your brake lines will
need to be pushed out. Follow the steps below to"bleed"your brakes autel
ms908p. You'll need the following items: - Safety glasses (in case of fluid
spurts) - A clear jar (glass or plastic) - Brake fluid (two quarts if you're
cleaning all four tires) - Vinyl tube - 6-point wrenches (5/16"or
3/8"size,depending on your car) - One person to help you 1. Take the cap off the
master cylinder in your engine compartment (see Brake Maintenance: Checking
Brake Fluid) and fill the reservoir until it's about 1/4"under the"maximum"line.
Replace the cap but don't fasten it down. 2. Remove your tires and locate the
bleeder screws-there will be one on each tire,on the caliper. They will usually
have a cap on them. You may need to oil the screw so it's loose enough to
unscrew. 3. With bleeder screws still fastened tight and the engine off,attach
one end of the vinyl hose to the bleeder screw furthest away from the master
cylinder (in most cases,the back right wheel). The other end of the vinyl hose
will go into the jar. Tighten your wrench around the bleeder screw. 4. Have one
person get in the car and"pump"the brakes three or four times,then press down on
the brake until it's as far down as it can go. 5. With the brake pressed
down,open the bleeder screw and let the brake fluid run into the jar. The brake
pedal should go all the way down during this process. When the pedal hits the
floor,tighten the bleeder screw again. Do not take your foot off the pedal until
the bleeder screw is tightened. When the screw is tightened,take your foot off
the pedal. 6. Repeat steps 4 and 5 until no air or bubbles are coming out
through the hose. Add more brake fluid to the master cylinder. 7. Repeat steps
3-6 for the following wheels,in order: left rear wheel,right front wheel,right
left wheel. 8. When finished,refill master cylinder and refasten cylinder cap
back on tightly. Make sure all bleeder screws are tight and reattach tires. Be
sure to dispose of any excess fluids properly.
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