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Toyota Prius Brake Problems

82 messages,  Last post on Nov 29, 2009 at 11:57 AM

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

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#9 of 82 Re: Prius Brakes issue [dmathews3] by kdhspyder May 16, 2006 (2:20 pm)
Replying to: dmathews3 (May 16, 2006 2:10 pm) ABS has nothing to do with sliding. If you are going sideways on ice ABS on any vehicle is of no use, it only helps to keep the brakes from locking
#10 of 82 Re: Prius Brakes issue [dmathews3] by stevedebi May 16, 2006 (3:26 pm)
Replying to: dmathews3 (May 16, 2006 2:10 pm) "Doesn't the Prius have anti-locking brakes? Shouldn't slide at all if it does."   Actually, there are situations in which ABS is a disadvantage. Gravel comes to mind; a vehicle with ABS will stop slower in gravel than a vehicle without ABS. Replies to this message: dmathews3 (May 17, 2006 11:47 am)
#11 of 82 Re: Prius Brakes issue [dmathews3] by typesix May 17, 2006 (10:30 am)
Replying to: dmathews3 (May 16, 2006 2:10 pm) If tire has poor braking traction, the ABS will keep activating to prevent wheel lockup but it will not reduce stopping distance. A tire with better traction will reduce ABS use and reduce stopping distance.
#12 of 82 Re: Prius Brakes issue [stevedebi] by dmathews3 May 17, 2006 (11:47 am)
Replying to: stevedebi (May 16, 2006 3:26 pm) >"Doesn't the Prius have anti-locking brakes? Shouldn't slide at all if it does."    Actually, there are situations in which ABS is a disadvantage. Gravel comes to mind; a vehicle with ABS will stop slower in gravel than a vehicle without ABS. ========================== The poster I was answering said his slid. If it is sliding then something is wrong with the anti-locking brakes. Personally I hate them as it seems when you need the brakes on any car the most they don't stop. Trucks are a real problem.
#13 of 82 Re: Prius Brakes issue [wkogler] by bvisailman1 May 19, 2006 (7:50 pm)
Replying to: wkogler (May 16, 2006 2:57 am) It has nothing to do with brakes failing or tires...You were on wet pavement, the car is light and I am willing to bet when you tried to stop The car hydroplaned on the wet road. You may have been going a bit fast for the conditions. Remember the car weighs about 1,000 pounds lighter than a normal midsize car. Replies to this message: wkogler (May 21, 2006 11:10 am) pathstar1 (Jul 16, 2006 8:20 am) vancmt (Jul 18, 2006 9:57 pm)
#14 of 82 Re: Prius Brakes issue [bvisailman1] by wkogler May 21, 2006 (11:10 am)
Replying to: bvisailman1 (May 19, 2006 7:50 pm) #539 of 541 Re: Prius Brakes issue [wkogler] by bvisailman1 May 19, 2006 (8:50 pm)   "It has nothing to do with brakes failing or tires...You were on wet pavement, the car is light and I am willing to bet when you tried to stop The car hydroplaned on the wet road. You may have been going a bit fast for the conditions. Remember the car weighs about 1,000 pounds lighter than a normal midsize car. "   I was driving well under the speed limit. I've had the car over a year and have driven before in the rain, it has hydroplaned before (much more than in any other car actually), but this is not what it was that day. The next time it rains, I will test it out and see if it does it again. And I'm use to light cars, I've always had a compact car. Thanks for your input. Replies to this message: pathstar1 (Jul 16, 2006 8:20 am) vancmt (Jul 18, 2006 9:57 pm)
#15 of 82 Re: Prius Brakes issue [wkogler] by pathstar1 Jul 16, 2006 (8:20 am)
Replying to: wkogler (May 21, 2006 11:10 am) Failing to stop when and where you want is a bit scary, but I think the other posters are correct - it's likely not the brakes. As an example, I have a Pathfinder, and the OEM tires were garbage on slippery surfaces. I didn't know this until they were replaced with Nokian WR tires. Before replacement I would "coast" through intersections with the antilock buzzing. Now the vehicle stops instantly. I thought the antilock was too sensitive - it wasn't. The tires were garbage.   Antilock brakes will not stop you from sliding, they will allow you to control the direction you slide, but only if you are travelling in the direction of the slide. They will stop you from locking up one or more wheels (depending on how many channels of antilock they were built with - four channel is best). They work poorly on gravel as posted above and poorly in snow - you can stop much quicker on both if you cause the medium to "pile up" in front of the tire and this means you have to stop the wheel from turning. If you are exceeding the traction limit of the tires on rain or ice antilock will allow you to steer and brake at the maximum limits allowed by the traction available. If one or more wheels are above the maximum traction at the braking level you want/need antilock -on any vehicle- will reduce the braking on that wheel(s) until the wheel(s) is turning at about 70-80% full rate (this is where maximum traction takes place). It feels like a brake failure.   I recommend better tires if you are experiencing this antilock braking reduction. I like the Nokian WR, but there are many others to choose from. Replies to this message: vancmt (Jul 18, 2006 9:57 pm)
#16 of 82 Re: Prius Brakes issue [pathstar1] by vancmt Jul 18, 2006 (9:57 pm)
Replying to: pathstar1 (Jul 16, 2006 8:20 am) I've been hearing a lot of problems about wet traction issues with the Prius OEM tires: Goodyear Integrity. Seems like most people just get new tires and the wet traction/handling issues go away.
#17 of 82 Drove almost a mile with Parking Brake activated by catt41 Jul 25, 2006 (8:06 pm)
okay, Mr. Stupid today drove almost a mile with the parking brake about 1/2-3/4 depressed..the car drove away just fine and didn't seem to be sluggish...this is a brand new 2006 prius...i noticed the red brake light on and stopped immediately, turning the parking brake off...but I felt the back drums and they were HOT...but no smoke...Any idea of any kind of major damage I may have done or not?? I wish Toyota would have made a better parking brake so you know it is being used or an audible beep or something.... I called a service facility today and they told me not to worry unless when I took the parking brake off, and the light would stay on - but mine didn't... Dean Replies to this message: pathstar1 (Jul 26, 2006 6:52 am) catt41 (Jul 26, 2006 11:54 am) pathstar1 (Jul 26, 2006 2:38 pm) and 1 more...
#18 of 82 Re: Drove almost a mile with Parking Brake activated [catt41] by pathstar1 Jul 26, 2006 (6:52 am)
Replying to: catt41 (Jul 25, 2006 8:06 pm) There was a discussion of this on another forum just last week. What you've done is properly "bed in" the rear brake shoes. One mile isn't going to do any damage or even shorten the brake life. Just think of stopping from 75 MPH. It's about the same.   The lesson to learn here is when applying the parking brake, put it on hard so you -can't- drive away with it on.   If you're still worried, it's a simple matter to pull the drums and inspect the brakes - parking brake is rear drums only. Replies to this message: catt41 (Jul 26, 2006 11:54 am) pathstar1 (Jul 26, 2006 2:38 pm) catt41 (Jul 26, 2006 3:45 pm)

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