Quote:
Originally Posted by Porqupine82
Again attempting to diagnose my braking problem, I have found that with the ignition off, and pumping my brakes 20 times, they build pressure until about the 12th pump getting more solid, then on the 13th pump it goes to the floor.
After turning the key to 'RUN' with the brake still depressed, the accumulator kicks on and makes the brake feel normal again.
Then, after every press of the brake the accumulator runs. I remember at one time the pump only ran every 3 or 4 brake presses. I cannot find any visible leaks in my lines and my fluid level remains normal.
Ideas?
Thanks
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I suspect the infamous problem of the leaking piston of the 4th gen brake system has caught up with you.
Do you hear a slight whooshing sound when ypu engage the brakes?.
Its an internal leak of a piston and oring that is supposed to hold pressure. A member here has done the diy repairs after buying the piston for $55
If you are unable to locate the thread, let me know, will try digging it out later
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2005 v6, galactic grey 4wd auto :
pioneer avh 4400bh dvd hu, pyle reverse cam
2003 rav4 titanuim silver 4wd auto......
sold
2004 rav4 titanuim silver 4wd auto :
pionneer avhx 5500bt hu, pyle reverse cam