Replacing brake pad

thumbs up

 

Having just recently changed my front discs and pads on my Prius Taxi at 200,000klm,the disc part number matched that of the N/A model but the pads part number did not,if anyone has it please post it...please!!

 

I'm not of any help to you Halpos4, but I am curious why you had to replace the front discs.

 

The Discs had reached their minimum thickness, although the pads were changed at 164,000klm they still had plenty of meat left on them and i would have got a few more klm out of the discs but the fact that it's a Taxi and my livelihood i'd rather not take any chances.

 

Thanks halpos4. I'm just flaunting my ignorance, but I don't understand why the disc would wear faster than the pad.

 

No,i think you're asking a reasonable question,the discs lasted 200,000klm,and the majority of that mileage would have been with a full car[passengers]and probably a little heavier braking,i'm not lead footed,accellerating or braking and i tend to use "B" mode aswell,maybe some of the other Taxi/ Cabbies could let us know what kind of mileage they're getting from their pads/discs.

 

The rotors on most Prius suffer more than the pads. This is because the rotors rust just while sitting there, especially in areas that salt the roads in the winter.

Many of us find that we need to clean our rotors from time to time. The easiest way to do this is find a stretch of empty road, get up to 40 or so mph, shift into N, and brake. Slow down to 10 or 20, shift back into D and get back up to speed. Shift back into N and repeat. Do this three or four times until the rotors stop making a scraping noise.

Tom

 

Brake pads contain a piece of material which squeals when the pad has worn down. If your brakes squeal under 7 MPH that indicates that at least one of the pads needs replacing (normally one would replace both of them).

 

Yes, that should do it.

Tom

 

Why use neutral ? Oh, to disengage regen I presume ?

OP, beware neutral above 42 mph. One (?) of the electric motors will spin higher than spec, leading to overheating

 

Just an informational item re cost:

I see in the latest service promotional mailer I get from my Toyota dealer, that they're having a coupon sale ending 1/31/09 where they'll replace the front pads with OEM pads for $79 USD.

Don't know how much they normally charge. I'm guessing around $120 USD.

 

This is not quite correct. If you switch to N above that speed, the ICE will be spinning and continue to spin, so over-speed of MG1 is not an issue. If you switch to N below the cutoff speed while the ICE is not running, it is possible to over-speed MG1, but the limiting speed is closer to 60 mph. You can do it if you work at it and have a really big hill to coast down, but it is hard to coast that fast.

Tom

 

Thanks for the correction.

 

You are welcome. It wasn't so much a correction as an expansion. The Prius has a lot of subtle little little quirks and special cases. I know a few. Other posters here know more. Collectively we do pretty well.

Tom

 

"semi-panic" is a qualitative concept, and depending upon how hard you brake, a portion of the braking will be done via regen vs. friction.

If you shift to N, then it is guaranteed that 100% of the braking will be performed by the friction brakes.

 

Once a week I go down a hill that is too much for my HV battery capacity. I have been switching into B mode, but I suppose it makes sense to use the friction brakes then to clean the rotors.

More than anything, if I must be honest, the B mode use was a sop to my ego of not having my brake lights activate.