Learning, Sharing, and Teaching > Do it Yourself Discussion!

Brake Rotors

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BudgetSlasher:
Perhaps someone can tell me how much of an issue/problem the attached images are. I will readily admit brakes are a part of the car I have not often worked on, so I am not sure how concerned to be.

The two shots are of the rear rotors on my wife's car, which I am driving while she is out of town. I noticed one is smooth, like the ones on my car and her front rotors (and how I expect rotors to be) and the other is grooved enough for rust to develop and not be removed by the pads during normal use(these shot was taken immediately after driving).

I am confident that I have the skill set needed to do, or learn to do, the work needed. But, I don't have the experience needed to determine if this is within the normal range, or it it is time to replace the rotor and pads (as far as I know the rotors are original, so they have 145,000 miles on them over 11 years).

If work needs to be done, I can handle it at my own pace. Rather than learning at the state inspection in a few months and paying the gotcha inspection prices.

SuperSecretName:
if the car does not shake when you press on the brake the rotors are fine.  the only way to determine if they are still within spec is to measure them.   Get some brake cleaner and see if that cleans them off.

brakes/rotors are actually pretty simple to do if you are handy.

Mgmny:
If you do need to do them, and you can't get them off (as was the case with my 2006 car original rotors coming off last year) even after hours and hours of pounding, watching every youtube video trick in the book, etc. Instead of taking it to a shop and asking them to replace the rotors for you (mine was going to cost some stupid number like $450 for this), just ask them to break free the existing rotors and re-assemble everything. They charged me labor only for this, and it took them like 15 minutes because they have some type of electric rubber hammer/pounder that broke them free quickly. I paid them $27 for something that I had struggled with and swore at for probably 4 hours on my own. One of the best $27 i ever spent.

That said, supposedly most rotors should be able to be knocked off easily, but mine were a PITA.

px4shooter:
Very impressive for the rotors to last that long. Rears will wear slower, due to the weight shift and design of applying more brake pressure to the front rotors.

If you are thinking they are close, I check Amazon for replacements. Rock Auto was my go to, but the markdowns on Amazon can't be beat. Sure, my 4 cylinder Honda now has a racing brake kit on there, but it was the same price as 4 rotors and a pad set. How are your pads?

I am glad we got rid of the vehicle inspections last year. They were always reasonable, but it made me stress over their determination of tire and brake wear.

Car Jack:
My first question would be: "Are the calipers on one side seized?".  It's certainly possible.  Likely worth having someone qualified pull the thing apart and confirm everything works. 

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