Question about 2003 Toyota 4Runner
Last March, I started hearing a noise underneath the body whenever I went over bumps and pushed on the brakes at slower speeds. Three repair shops would not find the cause of this noise so I gave up on it. Recently, my brake pedal began to push back on my foot when I am at a complete stop. I have now taken into Toyota and a local service shop and they both have not been able to completely diagnose the problem, but they can tell me that the two issues are probably related and that it is going to be expensive. Toyota told me that it could be a problem with the master cylinder in the ABS and that it is causing the brakes to adjust when they shouldn't. The cost for this part alone was quoted to me at $2200 dollars. Just wanted to know if anyone else ever had this problem. It is a little frustrating since the car is not even 5 years old yet.
This is a problem with the ABS applying itself prematurely. From my personal experience with this vehicle this could happen for a few reasons.
In my experience in my shop it was the ABS unit once and the ABS sensor about 3 times.
Here is mu suggestion have this vehicle hooked up to a SNAP-ON scanner with ABS program and drive ON LIVE DATA while driving look at wheel speeds coming from ABS/speed sensors on wheels. They should all be the same. Try to duplicate problem(hitting bumps on brakes etc) At this time if there is a problem with the sensor it should show a different speed and it will activate ABS. If then works out then you have found the source of the problem and you can make necessary repairs. Good Luck and contact if you need more help, Thanks for using FIX YA
Posted on Jan 14, 2009
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Posted on Jan 02, 2017
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