Question about Buick Century
If you changed the pads, you shouldn't have to bleed the brakes... unless you remove the brake hose from the caliper?
The way I bleed brakes, is with two people.
Make sure you have the right brake fluid. It should be marked on the cap of the master cylinder or in your owner's manual. You'll be looking for something like DOT2. 12 ounces could be enough for front and rear?
Top off your brake fluid in the master cylinder.
Don't get any brake fluid on your paint. If you do, clean it up right away.
Loosen the bleeder screw on the brake caliper about a quarter turn. I use the box end of the wrench.
Leave the wrench on the screw, and press your finger lightly over the hole in the end of the screw.
Have your buddy slowly pump the brake pedal, and the fluid will push past your finger.
Everytime the pedal is released, your finger will stop air from getting sucked back in.
After about 4 pumps, with your finger stll covering the hole, tighten the bleeder screw and go top-off the brake fluid in the master cylinder.
8 pumps on each of the front brakes should do it. The rears may take 10-12 pumps.
If there is air in the line, you'll be able to feel it as it blows past your finger in the brake fluid.
Posted on Mar 25, 2011
Normally changing the brake pads doesn't require brake bleeding.
If the valve is tightened all the way clockwise and it is still drawing in air, you might want to get a new bleeder valve from the Help! section of the auto parts store or via some online parts house.
There are several ways to bleed auto brakes.
Lastly, the correct order in which to bleed brakes is starting at the wheel farthest from the master cylinder (usually the right rear) and working your way closer (left rear, right front, left front). You have to bleed ALL four corners.
Also, if your vehicle has both drum and disc brakes, it most likely has a proportioning valve. You'll need to check the service manual or Haynes/Chilton manual for instructions on how to bleed. On my 86 Jeep I have to prevent a pin on the valve from moving, for example.
Posted on Mar 25, 2011
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Posted on Jan 02, 2017
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