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  #18  
Old 01-31-2013, 11:11 AM
jim165 jim165 is offline
Officially Welcomed to the 'Fest
Location: Texas
 
Join Date: Oct 2006
Posts: 423
Mein Auto: 2008 BMW 550i Sport
Quote:
Originally Posted by JoeFromPA View Post
Noisy brakes are almost 95% installation. Were the brakes thoroughly greased? Are the caliper slide pins greased or otherwise working properly? Etc.

Then bed-in and whether or not they were installed on used rotors, which sometimes the grooves on the new rotors and the surface on the fresh brake pads create harmonics.

...

I've used centric rotors several times with outstanding results. In many worlds, they are considered an outstanding OE-style rotor. It is very rare for rotors to warp under normal driving conditions. If they are off-set to the hub, if the wheel lugnuts are way over-torqued, or if the calipers are not evenly applying the brake pad....those things will all warp a rotor quickly....and yet the rotor will often get the blame as crap.

Just to be clear, I've used cheap chinese $25 rotors that don't warp when installed properly, with good hub centricity, working calipers, and torqued lug nuts. Centric is far from a cheap chinese rotor.At the very least, they are an appropriately priced chinese rotor
Great post and mostly true in my case as I didn't replace my rotors since they only had about 5k miles on them. I made sure i greased every point of movement I could which explains the lack of noise going forward. They only squeal if the pads are wet going in reverse (like after washing the car)..once dry they are perfectly quiet.
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2008 550i Sport
Space Gray, Black Dakota, Bamboo Anthracite
SAT, Sat, Shades, Cold Wthr, Comf Access, Nav,L7, PDC, LUX V3 AEs, BMW Perf. Grilles, HID fogs, ACS Roof Spoiler, M5 Lip Spoiler, RPI GT Exhaust

Others:
2006 Corvette Conv, Z51,6sp (wife)
2007 Honda CBR1000RR Sold
2005 Triumph Daytona 650 (wife) Sold

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