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Pads or Rotors?

 
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Old 01 Jan 2011, 02:18 am
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Default Pads or Rotors?

When I hit the brakes going 30+, the steering wheel vibrates pretty bad. Does that sound like bad rotors or pads?
Im thinkin pads because my dads car was doing the same way and he replaced the pads and it fixed it, but in that case, what is your opinion on pad materials? Ceramic or semi-metallic? I am mainly concerned with 1)which one stops better 2)which one is least likely to experience brake fade and 3)which one is least likely to wear the rotor.
Thanks and happy new year!
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Old 01 Jan 2011, 08:36 am
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Default Re: Pads or Rotors?

As easy as it is to replace the pads I would just change them and see if that works.Have the rotors resurfaced at the same time and the problem solved.
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Old 01 Jan 2011, 09:02 am
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Default Re: Pads or Rotors?

How many miles on the brakes??

Personally if has been a while I would just buy a new set of rotors and pads, swap em as a set and be done with it. I used Rabestos ceramics and Centrix rotors from Rock Auto.

Your looking at an hours or so to change em, also get the loctite brake caliper grease to lube the slide pins and grease the ways the assembly slides on.
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Old 01 Jan 2011, 03:14 pm
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Default Re: Pads or Rotors?

rotors are cheap a good set of ceramic pads and you will be good to go btu the answer is it is your rotors they are warped a little
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Old 01 Jan 2011, 10:51 pm
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Default Re: Pads or Rotors?

I figure the brakes are probably the originals, so 36,000 miles on them.

To me, the stock brakes are a little underpowered. I just sold my 96 s10 that would barely idle and the brakes on it would practically throw you through the windshield if you hit them the least bit hard, but the ones on my pt stop near as quickly. When you switched from the stock semi-metallic to ceramic, did you notice any improvement in the braking power? Also, ive heard the ceramics are easier on the rotors, is this true?
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Old 01 Jan 2011, 11:06 pm
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Default Re: Pads or Rotors?

i don't know about breaking power but for less break dust, Crewzin suggested to go with hawk break pads. i checked them out and i think they're ceramic. you could find them on ebay too, but i think they have their own web site Hawk Performance Brake Pads: Race Proven, Street Legal
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Old 01 Jan 2011, 11:27 pm
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Default Re: Pads or Rotors?

If you use metalic...or semi metalic your stopping power is better than standard pads,but, your rotors will wear MUCH FASTER; Or, as we like to call metalics up here...rotor eaters
If your brake pedal shakes or vibrates when you apply the brakes it usually means the rotor(s) are warped..as mentioned above.
I haven't tried ceramic pads but plan to when it's time to replace my brakes.
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Old 02 Jan 2011, 12:00 am
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Default Re: Pads or Rotors?

i put ceramics on my duramax Chevy and they were way more expensive but the sure see to work better
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Old 02 Jan 2011, 03:20 pm
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Default Re: Pads or Rotors?

Pulsating brake pedal is usually caused by a rotor with high spots, or a rotor that was made with cheapo cast iron that was heat-treated by leaving them parked hot. That leaves hard spots that wear like a washboard road. They can be machined, but they are still cheapo castings. Pads thinned by machining are even more prone to warping and hard spots.

What I do is replace the rotors with known-good USA, UK or Euro cast or forged rotors. I always avoid Chinese or other Far-Eastern rotors, period. I also very much dislike ceramic pads, due to their squooshy feeling and high pedal effort. My wife agrees. Bear in mind this is my own preference. Where available, I prefer Performance Friction carbon metallic pads. Others will disagree, some violently. I have never tried Hawk pads.

I do not worry about wearing out rotors. They are easy to replace and relatively inexpensive. If I end up spending $100 more over a five year span to have reliable brakes that stop 50 feet faster to avoid killing a child or myself or having an accident, I look at is money extremely well spent.
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Old 03 Jan 2011, 12:35 pm
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Default Re: Pads or Rotors?

If you want to shop locally - NAPA has a wide choice of disks and pads. Online, TireRack also has a wide selection.
I don't go cheap on tires or brakes - too much depends on them.
If it were my car, I'd get new rotors and ceramic pads - yes, you can have rotors macjined (turned), but they are thin to begin eith, and then you'd have even less metal. Spend a few bucks and get better than stock ones and good pads, and you can get around 50,000 miles before you need to think brakes again - but that depends on how you drive.
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