Anyone got warped rotors replaced under warranty

[FrankinMD]

I bought my 02 used with 16K miles and the rotors are warped. Just wondered what my chances are in getting them replaced by Chevrolet.

Thanks

Frak

[02C5Z06]

Replaced under warranty no questions asked twice already.

[wvphoto]

spoke to mr peasey ..quality control at bowling green plant at zfest about this..
he said . rotors dont' actually warp..
we take off tires..change rims..etc..
its the failure to torque the lugs .. evenly..the same # at every lug in the proper pattern. this material is light .. and will warp ..
well ..thats what he told me
i bought a torque wrench .
LOL

[z06_23_45]

I don't think there's much of a chance. They told me it needs to be under 12,000 miles.

[reproman]

Originally posted by FrankinMD
I bought my 02 used with 16K miles and the rotors are warped. Just wondered what my chances are in getting them replaced by Chevrolet.

Thanks

Frak

Really GOOD.

I had rotors replaced on my Caprice SS 3 times. I did pull a light trailer (1000 lbs. total) that detroyed them after each trip. I just mentioned using ABS and the service guy would just roll his eyes and say "no problem, thats under warranty." Finally they put on a set of super rotors that could not be warped. Think the last time in the mileage was in the high 20k.

Caddy replaces rotors and pads without question. Had a complete brake job at 21k. My Eldo a few years back had 3 sets also replaced at no charge.

[vettepilot]

While it's true that rotors usually don't warp in the respect that we might think of warping, they do have a condition we used to call "out of parrallalysm". The two machined faces on the rotor should be parallal to each other, so when the calipers clamp down on them they do not have high or low spots. If this condition (high / low spots) occurs the result is a pulsating brake, magnified as the rotational speed increases.
Another condition that sometimes occurs is isolated hard spots caused from repeated over heated brakes, this can sometimes be spotted visually by looking at the rotor surface and noting discoloration. The result is usually the same, pulsating brakes. To correct both conditions the surface of the rotors can be "turned", however, the more material that is removed from any brake rotor or drum the more suseptible to spot heating that component is going to be in the future because the mass has now been reduced.
Simply put, brakes work by transforming energy, speed is reduced and transformed to heat. The rotors or drums on brake systems act as heat sinks absorbing and dissipating the heat generated by the friction between the brake pads / shoes against the rotor /drum respectively.
So the bottom line is, I think GM finally realized that to reduce customer comebacks, instead of turning the rotors, it's less expensive in the long run to just replace them.

vettepilot

[rudy oliver]

Had rotors replaced under warranty at 14,672 miles due to "excessive thickness variations and lateral run out". Anyone know what lateral run out means?

[JDBgn]

Lateral run out = Warping. Side to side movement of the pads because the rotor is no longer true. AKA warped.

[BAD 06]

I have had rotors replaced twice on both Z's under warranty. That is 4 sets of rotors, no questions asked. The general knows the Z stock brakes are pathetic and they replace the ones that are pushed.

Chad

[RC45]

GM claimed that the brakes are more than adequate - and that when I suffered cracked/damaged rotors from street driving - the OFFICIAL answer the GM representative told me - after I filed with the BBB when they refused the first time, was "Brakes are consumables - even rotors - you are to never bring this issue up with GM again - case closed - if you want a better answer, hire a lawyer".

GM are 2 faced lier's that say one thing to one dealer/customer pair, then another to the next group.