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Brake gurus - Pls help with this 2005 problem rear rotors (photos)
Car is a 2005 LE V6
103 000 kilometers = 64 000 miles
Second owner
First owner gave me service records that show that he replaced the rear rotors at an independent garage (not a dealer)
Rear rotors now look like this:
Rear, passenger side:
Closer look:
And rear, driver side:
Closer loook:
The question here is ... Why?? Any ideas as to cause?
The quality of the rotors is certainly in question. Looks like the previous owner got the cheapest available parts.
But obviously I'm concerned about other issues... what if I replace rotors and pads with good quality components, and still get a similar wear pattern on the rotors?
About the rust - Unfortunately I live in an area in Ontario Canada (north of Toronto) where the salt is used in wintertime very ... generously! This is a big factor for the rust.
well. i drove the 4 cylinder eclipse in my backyard in the worst snow storm in the history of maryland and bendix brakes didn't have any odd wear pattern. honestly, those look alot how my cheap autozone rotors i had on my car when i was doing product testing. they could not stop at all. looks like poor quality iron or pad disintegration on the rotor. changing the pads and rotors would leave the caliper. i would bet all the money in my bank account this has nothing to do with the caliper, its just cheap rotors. you will be fine.
What did the pads look like? You did not show them or mention their condition. It looks as if at some point the pad wore out completely and it went metal to metal and scored the rotors but it is hard to know without looking at the pads and calipers from the inside view. Just replace the pads and rotors and be done with it. You can get good parts in Ontario. It isn't Cuba.
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The Following User Says Thank You to gdanaher For This Useful Post:
if you are doing metal on metal you would hear it. i drove with shims on rotor for a month using the ebrake to stop. but yes, just replace pads and rotors.
About the rust - Unfortunately I live in an area in Ontario Canada (north of Toronto) where the salt is used in wintertime very ... generously! This is a big factor for the rust.
Dont worry about it, if it was a big issue, they would realize it and stop using rust and every single car on the 401 would be rear ending the car in front since they like to tail gate like crazy!!!
im sure engineers who designed the parts accouted for the bad weather, I also live in ontario... my rotors are fine .
See if you can take the current rotors off and see if there is any type of marking indicating the brand, i would suspect it to be the cheapest available.
Get yourself a set of quality oem rotors and pads and you should be good. Just make sure your caliper isnt seized either. because then your new set would go to waste :P well your pads...
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The Following User Says Thank You to CamrySExxx For This Useful Post:
Even the OEM rotors will look like that if driven in a rust-prone area for a few years.
But if the previous owner claimed that they recently had the rotors changed I'd find that really hard to believe since the rotors look like they've been driven for years in heavily salted places. I doubt that it went metal to metal with the pads though, sometimes you'll see the rotor wear like that even with plenty of padding left.
Anyways maybe he only had the rusty rotor resurfaced last time? Who knows.
Brembo makes pretty decent replacement rotors-the plain Brembo ones (that are pretty affordable). Don't bother with the cross drilled or slotted ones especially if they're not cut by Brembo. Shouldn't cost too much money if you DIY, just remember to use a screw to pop the rotors off instead of wasting hours and hours trying to hammer it off
Also I'll just say that you should be aware that if the rotor is this rusted, when you take apart the caliper to look at the pads the bolts that hold it together might not hold up very well either so be prepared for that.
edit: hmm apparently the rear discs are pretty hard to get from Brembo in the U.S. so I guess you'll have to go with the other brands.
Last edited by tekdemon; 07-24-2010 at 11:55 AM.
The Following User Says Thank You to tekdemon For This Useful Post:
Car is a 2005 LE V6
103 000 kilometers = 64 000 miles
Second owner
First owner gave me service records that show that he replaced the rear rotors at an independent garage (not a dealer)
Rear rotors now look like this:
Rear, passenger side:
Closer look:
And rear, driver side:
Closer loook:
The question here is ... Why?? Any ideas as to cause?
Thank you!!
I'd be concerned about health of rear calipers and brake hoses, in addition to the rotors and pads. The car must have been 'rode hard and allowed to sit well salted' for quite a while; that's several months' worth of corrosion, and doesn't look like the rotor surface is too even..
Fixing it 'right' would be cleaning/greasing/replacing the caliper slider pins when you do the pads, possibly replacing calipers if the slider parts are rusted or sticky, or if there is any funkiness behind the piston dust boot. I'd also be taking a real close look at hoses and brake lines; steel parts could be corroded, especially around clamps. I'd do a full fluid flush to make sure it's fresh all through the system; brake fluid adsorbs moisture, and will corrode the system from within.
Last edited by Frodo65; 07-24-2010 at 06:12 PM.
The Following User Says Thank You to Frodo65 For This Useful Post:
looks like metal on metal, my bro in law did that but on a set of vented ones. it's interesting to see the whole side of a rotor come off. Depending on the length of time and or damage already done you may be on the hook for new calipers as well. Basically you need all new brakes and would have the parking brakes check and adjusted just because.
The Following User Says Thank You to hossmaster For This Useful Post:
Rear brake pads, driver side The friction material of the outside pad was completely loose just like the other side The steel backing plate is rusted on the inside
Is this a case of the wrong pads installed in this car (and very low quality rotors)? Have you ever seen brake pads fail like this?
I'm not sure what to think of these brake pads, or the cause that the friction pad came unglued from the backing plate...
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