Question about 2002 Ford Explorer Sport Trac
Both new calipers and pads,,new master cylinder,,bench bledbefore installed,,no leaks on both rear wheel cylinders,,brake booster test,,,ok! Seems ok when manual bled and air bled engine off,,did bled same sequence but pedal goes to floor when engine run,,would say,,,,no brakes at all, abs pump problem? Pls need some input,,,$500 est at least down for parts ,,still no brakes at all?
For the pedal to go to the floor there is still air in the brake system. Start again starting from the longest line bleeding each in turn to the shortest line . make sure you have adjusted up the rear brakes before bleeding as every time you press on the pedal the shoes expand right out and when you take your foot off the pedal the shoes go all the way back in. adjust them manually and do not rely on the self adjuster as it only adjusts on wheel movement
Posted on Jul 15, 2013
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Posted on Jan 02, 2017
5 Inspect Brake Fluid Type Brake fluid loss or contamination 10 Inspect Master Cylinder (Brake System) Worn or leaking brake master cylinder. 11 Inspect Brake Power Booster Damaged booster vacuum line/check valve, or diaphram
Posted on Dec 01, 2008
SOURCE: 2005 f150 spongy brakes
it sounds like your still not getting all the air out of your lines. it helps to have a brake bleeder but they are expensive, it also could be that the gasket inside the master cylinder is inverted even if it is a new master cylinder this could be the case, ive had four bad remanned ones in a row, before i got a good one... hope i could help
Posted on Mar 24, 2009
SOURCE: I HAVE A 95 F250
You need to check wheel cylinders, the only way that the brake peddle will go to the floor like that is if there is a lose of fluid pressure somewhere .
Posted on Dec 29, 2010
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