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Toyota Prius Brake Problems

84 messages,  Last post on Dec 05, 2009 at 4:34 AM

You are in the Toyota Prius Maintenance & Repair Forum. Your Host is pf_flyer

What is this discussion about? Toyota Prius, Brakes, Hatchback, Sedan


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#67 of 84
Re: Prius brake failure [jacquesc] by whitey9
Sep 14, 2009 (8:30 am)
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Replying to: jacquesc (Sep 14, 2009 7:08 am)

Yeah, it's just like with the Priui catching fire at/near the hybrid battery compartment. I have searched thru www.nhtsa.dot.gov for investigations into failing brakes, or fires, and have found NOTHING!
The fires, I suspect, are the result of the hybrid system being modified by an aftermarket company, to become a "plug-in" Prius.
I keep hearing about "no brakes", "brakes failing", but cannot reports, or investigations by the government.
I have had issues with the HID bulbs "burning out", but no other defects have surfaced on my '07.
#68 of 84
Re: Prius Brakes issue [brendabei] by whitey9
Sep 14, 2009 (8:39 am)
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Replying to: brendabei (Apr 17, 2009 5:58 am)

I know the feeling you are describing. Once an owner of a VW Beetle brought the car in to have the brakes checked.
He declined to say ( or the service writer didn't write it down ) that he had replaced a section of the hydraulic brake line ( steel ) with some surgical rubber hose.
Needless to say, when I applied the brakes, as I was test drving there was a "panic" in the cockpit due to the rubber hose inflating like a balloon whenever the brake pedal was depressed. NO BRAKING OCCURRED!
The lack of confinement in a steel line did not allow the brakes to operate AT ALL!
Therefore, the rapid pumping of the brake pedal in an attempt to slow the vehicle as I approached an immovable object, and the shreiking of the operator was clearly audible to those in the vicinity.
Thank goodness the EMERGENCY brake worked better than the service brake.
#69 of 84
Prius Brake Issues by pjackie
Sep 20, 2009 (2:46 pm)
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Well, it happened to me yesterday (September 19,2009). I was in love with my 2008 Prius (despite having to spend a couple of hours to figure out how to operate the danged thing). I was pulling out of a parking lot, moving very slowly ,when I saw a car turn the corner and drive down the street which I was entering. I immediately applied the brakes HARD and to my dismay, NOTHING HAPPENED. I consequently rolled into the the approaching car (and SUV, wouldn't you know) and did thousands of dollars of damage to my beloved Prius. The cops of course issued me a ticket for failing to yield the right of way (correct) and said I must have hit the gas pedal instead of the brake (not correct). I do not feel safe in this vehicle. It is a horrible sensation to apply maximum brake force to the pedal and feel no response. I think it is a telling event that Toyota is changing their brake system in newer productions.
#70 of 84
Re: Prius Brake Issues [pjackie] by hal_cat
Sep 21, 2009 (5:18 am)
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Replying to: pjackie (Sep 20, 2009 2:46 pm)

Be sure to file a report with the National Highway Traffic Safety Administration.
http://www-odi.nhtsa.dot.gov/ivoq/
They have more clout than anyone individual, and as the number of reported problems goes up they will have more incentive and clout to work on getting the problem resolved.
Note that the 2010 Prius now has a "black box" capability so that Toyota can find out the exact circumstances when the brakes failed so they can hopefully resolve the problems and make a safe car. Of course, Toyota totally denies that the brakes ever fail.
BTW - I told the magistrate that the brakes failed, and my fine for my ticket was waived.
#71 of 84
Re: Prius Brake Issues [pjackie] by whitey9
Sep 30, 2009 (10:49 am)
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Replying to: pjackie (Sep 20, 2009 2:46 pm)

Check the floormat on the driver's side and make sure it isn't bunched up thusly not allowing the brake pedal to fully depress, or the throttle ( gas pedal ) to fully release.
There is a recall in progress for floormats. Priui from MY '04 - '09, I believe.
#72 of 84
Re: Prius Brake Issues [whitey9] by jacquesc
Sep 30, 2009 (11:57 am)
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Replying to: whitey9 (Sep 30, 2009 10:49 am)

There is a recall on the floor mats? That being true or not. You are absolutely ridiculous for thinking that the problem originated from my floor mat being bunched up.That would have been painfully obvious if that were the case.
My floor mat has never budged from the position it was in when I bought the vehicle. The hooks at the back of the mat (nearest the seat) work very well as intended to prevent that from happening.
 
I'm not sure if you people that right with alternate ideas for the problem are sincere, or work for Toyota. Because every idea seems to be misleading and in an attempt to redirect the consumer of the true and costly imperfection in the make of car.
 
If you are truly attempting to help in a legitimate way... thank you for your input.
#73 of 84
Floormats by whitey9
Sep 30, 2009 (1:09 pm)
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That's what the Lexus' occupants thot when they made an emergency call on their "On-Star" to see what could be done with their "runaway" car speeding down the highway at 120+mph.
They said the brakes did not work, and they were unable to stop the car.
 
Only 1 person died in the resulting crash, a bystander.
#74 of 84
Re: Prius Brake Issues [jacquesc] by whitey9
Sep 30, 2009 (2:24 pm)
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Replying to: jacquesc (Sep 30, 2009 11:57 am)

Without being overly coy, the purpose of bumpers on cars is when something happens that is not expected, or that does not normally occur.
What I am trying to say is not everything that happens, necessarily happens on purpose.
Stuff happens.
#75 of 84
Prius slides on wet roads by gghol
Oct 02, 2009 (6:41 am)
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My 2008 Prius slides when I brake on wet roads. It's scary. Has anyone experienced this? Is it the brakes or the tires? I only have 21,000 miles on the car.
#76 of 84
Re: Prius slides on wet roads [gghol] by whitey9
Oct 02, 2009 (8:33 am)
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Replying to: gghol (Oct 02, 2009 6:41 am)

Slides? Or drifts ( sideways )? Steering sharply while braking?
Tire pressures OKay? Tires not worn?
Too much speed? Braking too late?
Any function/malfunction lights illuminating on the dashboard?

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