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06-28-2010, 10:13 AM | #1 |
Drives: 2010 Yaris Join Date: Jun 2010
Location: West Hartford CT
Posts: 2
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Yaris Brake Grinding
My son has a new 2010 Yaris - and the brakes occasionally make a grinding pulsing noise and the car pulls to the left. A few moments after this happens the ABS and TRACTION indicator dashboard warning lights will come on.
The car has ABS brakes, disk brakes in the front and drum brakes in the rear. I understand that an improperly adjusted rear drum brake can create braking imbalances (fishtailing) that could cause the ABS system to activate (hence the grinding/pulsing noise). I also understand that rear drum brakes are automatically adjusted when the brakes are applied while the vehicle is traveling in reverse. So, I went into a big open parking lot, reversed as fast as I could - then applied the brakes real hard. I did this several times - but it didn't solve the problem. My son took the car back to the dealer because the car is till under warranty - but the dealer says there is nothing wrong with the car. This is very disconcerting. There is something wrong with these brakes. Can anybody shed some light on this. What's wrong? How do we fix this? Mike R |
06-28-2010, 10:44 AM | #2 |
Banned
Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
Location: NE
Posts: 672
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find a way to duplicate the problem, then schedule a test ride with the dealership and reproduce the problem for them.
schedule this with any toyota dealer |
06-29-2010, 01:40 AM | #3 |
AKA Samurai Racer
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i had a similar problem on my old yaris , was one of the rear drums making a noise after it had been serviced , take it back to them , get them to take the rear wheels off and check , might be to tight in the rear.
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06-30-2010, 09:33 AM | #4 |
Drives: 2008 HB, A/T, Power W/L/M Join Date: Oct 2008
Location: LI, New Yawk
Posts: 2,063
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Going as fast as you can in reverse will damage the tranny, be careful!
__________________
Never take eyes off opponent - Bruce Lee |
07-12-2010, 10:19 AM | #5 |
Drives: 2010 Yaris Join Date: Jun 2010
Location: West Hartford CT
Posts: 2
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Bad wheel speed sensor causes ABS brake pulsing
My son's 2010 Yaris ABS brake problem (pulsing/grinding noise) was fixed under warranty by the Toyota Dealership.
Apparently, the problem was caused by a faulty wheel speed sensor. |
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