Do I need new rotors when replacing brake pads?

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Old Mar 7, 2010 | 09:18 AM
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willsee's Avatar
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Do I need new rotors when replacing brake pads?

So my passenger side brakes seem to squeal when braking so I assume the pads need replaced. Looked at riverside infiniti and they mention when replacing pads to also replace the rotors or at least get them resurfaced. Is this necessary if the rotors are in good shape?

I'm a huge car newbie and trying to take care of my car and become a man and learn how to work on cars so help will be appreciated.
 
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Old Mar 7, 2010 | 10:42 AM
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Look at getting them resurfaced. Some auto parts stores have a rotor resurfacing service. Should cost ~$15 per rotor. If the rotor is no good (can't be resurfaced due to material thickness requirements) they should let you know. Then replace that rotor. Otherwise, if they all resurface well, then just reinstall them and put on your new pads. Make sure to burnish the new pads as per manufacturers instructions so they grip well.
 
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Old Mar 8, 2010 | 09:33 AM
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Thank you
I have the manual and ordering pads from riverside today

Thinking of attempting changing the pads this weekend. Decided to just replace all 4 pads at the same time.
 
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Old Mar 9, 2010 | 01:55 AM
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You should always replace all 4 pads. There shouldn't be a situation where one side is more worn than another, and if there is, then something is wrong with your braking setup. It could be a stuck caliper piston or something might be slightly bent, but pad wear should be pretty consistent from one side to the other.
 
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Old Mar 9, 2010 | 02:10 AM
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Originally Posted by willsee
Thank you
I have the manual and ordering pads from riverside today

Thinking of attempting changing the pads this weekend. Decided to just replace all 4 pads at the same time.
Are you aware that there are 2 pads per rotor? So you'd only be replacing one axle at a time (fronts, or back).

Originally Posted by BuckeyeInMI
You should always replace all 4 pads. There shouldn't be a situation where one side is more worn than another, and if there is, then something is wrong with your braking setup. It could be a stuck caliper piston or something might be slightly bent, but pad wear should be pretty consistent from one side to the other.
But replacing one axle at a time is fine right? I replaced my fronts at one point, then the rears a couple thousand miles later, and so on.
 
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Old Mar 9, 2010 | 10:57 AM
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No problems doing only the front or only the rear. Just no side-to-side pad replacements.
 
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Old Mar 9, 2010 | 05:51 PM
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sorry to jack this thread but I didnt want to start a new one for a stupid "search" question. I need new rotors on my '06 and remember seeing a thread directly comparing different rotor manufacturers for different years with weights being a concern in the thread. Searched over and over for this thread with no avail. Anyone know the link? I f'n give up

It would be nice to have it stickied as well
 
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Old Mar 10, 2010 | 01:19 PM
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I wasn't aware there were 2 pads per rotor.

Got my pads in from Riverside in 2 days...very very good service. About $60/cheaper than the local dealership as well.

Pulled this from the manual:
Brake Burnishing Procedure NFS000IY
Burnish the brake pad (or lining) and disc rotor mutually contacting surfaces of disc rotor according to following
procedure after refinishing or replacing drums or rotors, after replacing pads or linings, or if a soft pedal occurs
at very low mileage.
CAUTION:
 Be careful of vehicle speed because brake does not operate easily until pad and disc rotor are
securely fitted.
 Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.

Is 30mph fine...faster? slower?
 
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Old Mar 10, 2010 | 01:54 PM
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http://www.essexparts.com/learning-center/Bed-in
 
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