can I replace one rotor (not the pair)? - Acura TSX Forum
 
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post #1 of 10 (permalink) Old 06-23-2009, 01:13 PM Thread Starter
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Question can I replace one rotor (not the pair)?

My rear driver side rotor is warped my passenger side is fine.

Am I supposed to repair/replace the pair or is it not really a big deal to do just one?
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post #2 of 10 (permalink) Old 06-23-2009, 01:19 PM
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replace the pair, or have both resurfaced.
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post #3 of 10 (permalink) Old 06-23-2009, 01:25 PM Thread Starter
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Quote:
Originally Posted by endlesswinterco View Post
replace the pair, or have both resurfaced.
Why do you/they/mechanics suggest this?

(I'm not questioning you I'm just trying to understand why.)
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post #4 of 10 (permalink) Old 06-23-2009, 01:27 PM
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Well, its not completely necessary to change both if only one is flawed.

But you really do want both your left and right sides operating at the same specs/rating. You don't want one side stopping harder than the other. It really is safest to change both at once (when it comes to sides).

I think its ok if you do just front or backs...

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post #5 of 10 (permalink) Old 06-23-2009, 01:44 PM
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yea, its a safety issue. as zhieson stated, you want both sides stopping and doing the same amount of work. but you can just do both front or both backs, not all four, but you should all ways do both L and R in the front and or rear whenever doing brake work.
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post #6 of 10 (permalink) Old 06-23-2009, 02:18 PM
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As stated above, replace both. It's also better because they usually will get the same life span, so if you replace one now, you may have to replace the other soon, and it will be more work.
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post #7 of 10 (permalink) Old 06-23-2009, 03:07 PM
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In reality, there is no reason you'd have to change both rotors out, changing only one rotor is fine as long as it is identical to the other.

The main reason most would say you should replace them as a pair is because

1 - Your pads are bedded in to the rotors already, replacing one rotor will create unequal stopping force until the pads have bed with the new rotor.

2 - You'll need to keep track of the used rotor, you don't want it to reach the minimal thickness and become a hazard.

Personally, rotors are cheap so I would change them both.

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post #8 of 10 (permalink) Old 11-19-2014, 05:41 PM
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I really liked this*information.
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post #9 of 10 (permalink) Old 11-19-2014, 07:07 PM
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You can replace one, but at my shop we always recommend two. If you replace one, you'll probably have to do the other soon. When swapping rotors, we recommend new brake pads but it's not completely necessary. When you remove the pads, scuff them up on the concrete (evenly) before you reinstall them. Use Napa premium rotors if you want a solid rotor with good life (the thickness before the vents is great), otherwise use centrics. Akebono pads are a great choice on Hondas and Acura and I believe are the factory pads. I know that Lexus and infiniti both use akebono but I'm not 100% sure about Acura. STAY AWAY FROM PRONTO BRAND PRODUCTS.
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post #10 of 10 (permalink) Old 01-04-2015, 07:23 PM
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I personally always recommend doing both (fronts or rears) in pairs also for the above mentioned reasons but also for future brake inspections. If you replace both sides at the same time then in 10k, 20k, or however many miles your mechanic notices one side at a much lower spec than the other it makes it much easier to diagnose a caliper or brake hose issue causing one side to wear considerably faster. At many chain type places like where I work the original new pads/rotor for that side will be warrantied for free and you will only be charged labor/parts to replace the caliper/hose
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