Question about Cars & Trucks
The only time you should have to bleed the brakes is if you opened a
bleeder screw, repaired a brake line, replaced a brake hose, replaced a
caliper/wheel cylinder, or replaced the master cylinder.
If you have not opened up the hydraulic system than it is not necessary to bleed the brakes.
It can be beneficial to flush the brake system. Brake fluid is hygroscopic which means it likes to absorb moisture. If your brake fluid is dark in color or even green (green color is caused by the erosion of the inside of the brake lines do to water contamination) it wouldn't hurt to flush the brake system. this would essentially be bleeding all four corners until clear fluid comes out. Water in the brake system reduces the boiling point of the brake fluid which can lead to brake failure under extreme braking conditions.
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Posted on Feb 10, 2012
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Posted on Jan 02, 2017
SOURCE: BRAKE PADS
OK Jin, 1st I'd like to know if u know what kind of shape the brake pads are in, are they wearing evenly, (inner and outer, and both wheels) are they grinding metal on metal? If everything is wearing evenly, and u haven't gotten to the point of metal pads (brake lining worn off) grinding on the rotors, u can probably get away w/ just changing the pads, although to do a quality job, you should also remove the brake rotors, have them cut (ground down perfectly smooth and flat) by an auto shop (about $18 each in my area), and bleed the brake system to flush out the old fluid so u have new fluid in the system. You also may need calipers if break pads are not wearing evenly. Let me know condition of brake pads and other above questions, and I can give u more info. I'll be on the road tomorrow for 15+ hours tomorrow, so be patient for a reply! countrycurt0
Posted on Sep 27, 2008
crawl underneath the front and look at the caliper if it has a duel piston caliper you will see 2 circles about 3 inches across and if it is a single piston caliper it will only have one of these circles in the middle this iswhere the pistons are. yes those pads are suitable. As for bleeding the brakes you need to start at the passengers side rear wheel and bleed it first then go to the drivers side rear wheel then go to the passengers side front wheel and then finally the drivers side front wheel. If you are only replacing the brake pads and shoes then you don't need to bleed the brakes. If you are bleeding the brakes then you will want to be sure to top up the brake fluid as you are doing thebleeding process as if you don't you will end up having to start all over again. as for special tools you may need a 3/8 hex bit and a 8 inch " C " clamp to compress the calipers after you remove the brake pads. If you are replacing the rotors you may require a special socket fo dis-assebleing and re-assembly of the front hubs.
Posted on Oct 09, 2008
get a one man bleeder kit from halfords (about £7) and then you can go around the car and bleed the brakes without a assistant, you just attach the tool to the nipple on the caliper, loosen the nut, press the brake pedel a few times till there is no more bubbles in the hose and then move on to the next corner, there is a specific way to go around the car but if you start at the back and finish at the front it should be ok
Posted on May 01, 2009
No, do not open the brake fluid lines. If the piston has groves cut in to the face of it, you will need a special compressor for it. Most new cars with 4 wheel discs use this type of piston. Instead of just pushing the piston in (as you would on older style calipers) you actually need to turn it clockwise while you push it in. They sell the tool at auto parts stores.
Posted on May 28, 2009
Why were the brake lines replaced?
Sounds like the mastercylinder may have run dry. You have to bench bleed the master and then DO NOT allow fluid to run low, while bleeding brakes...
if master cylinder runs low on fluid and air gets in, almost impossible to bleed with out releasing the lines and bleed master it self.
Posted on Sep 20, 2009
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