Can't find decent brake rotors - Chevy Impala Forums
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post #1 of (permalink) Old 07-18-2019 Thread Starter
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Can't find decent brake rotors

I've replaced the front rotors on my 2004 impala 5 times in the last 3 years. Every set of rotors I get seems to be garbage, even though I'm specifically trying to find ones of good quality.

Before anyone tells me the problem is somewhere else, I also have new front wheel bearings, struts, steering rack, tie rod ends, control arms, calipers, sway bar end links, and sway bar bushings.

The last set of rotors I got hummed during braking. They produce a very "grindy" feel whenever I have to use the brakes going down long hills.

Right now I'm looking at

 

but I fear that even though the seller is "ACDelco" that they might be imposters or of otherwise poor quality.

I'm so sick of doing brake jobs on this thing. Can anyone recommend rotors that they know for sure aren't garbage?

Thanks
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post #2 of (permalink) Old 07-18-2019
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Would try rock auto for genuine oem replacement, I would trust them to distribute genuine parts. Have the original rotors on our 2012 and using duralast cmax pads. Have only had to have the rears turned once, fronts have only had to be cleaned up and never turned. Have close to 170,000 miles on them and fully expect them to be ok with the next brake job. When the time does come to replace the rotors, the factory stock parts will replace them.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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post #3 of (permalink) Old 07-18-2019
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Acdelco 1770980 is the original rotor.
Right now I’m running Acdelco 18A813AC which is a coated rotor.
I would go with the original rotor even though it is 54 bucks a rotor on Rockauto.


~Joe~

04 Impala LS

Engine: ZZP PCM, ZZP Downpipe, Xcelerator Resonator, Dual Xcelerator Mufflers, 4" Stainless tips, 180° t-stat, Shorter Dogbones, Mount Spacers, Optima Red Top Battery
Trans/Drivetrain: TransGo shift kit + preloaded accumulator
Suspension: BC Racing coilovers, Police LCAs, Police Rotors and Pads, Boxed trailing arms, Dorman front solid sway bar
Exterior: LED Headlights, Red LED license plate lights and side markers
Interior:
Blue LED cluster+HVAC+door switches, LED interior
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post #4 of (permalink) Old 07-18-2019 Thread Starter
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04Imp38, thanks for the info.

I went looking on RockAuto, I see they have at least 3 ACDelco rotors that would fit and work:

1770980 - GM Original for $55 each
18A813 - "Professional" for $45
and 18A813SD - "Severe Duty" for $53

Since I travel a lot of mountain highways, sometimes with steep grades, I'm thinking the "severe duty" sounds better than original, and surprisingly are even a couple bucks cheaper.

Think I should go with them or will there really be any difference?

Oh, and do you happen to know which brake pads are original to this car? It's the 3.8, but not supercharged.
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post #5 of (permalink) Old 07-18-2019
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Not sure what the original pads are, or if they are sold still, I don’t see any Acdelco’s listed as original equipment.
I run akebono ceramics on the front, they’re fine, and if your brakes are getting hot from the grades, I would run ceramic. Ceramic pads are very clean. Acdelco does have them.
On my winter car, I run semi-metallic because they warm up faster, but they also wear faster and produce some brake dust.


~Joe~

04 Impala LS

Engine: ZZP PCM, ZZP Downpipe, Xcelerator Resonator, Dual Xcelerator Mufflers, 4" Stainless tips, 180° t-stat, Shorter Dogbones, Mount Spacers, Optima Red Top Battery
Trans/Drivetrain: TransGo shift kit + preloaded accumulator
Suspension: BC Racing coilovers, Police LCAs, Police Rotors and Pads, Boxed trailing arms, Dorman front solid sway bar
Exterior: LED Headlights, Red LED license plate lights and side markers
Interior:
Blue LED cluster+HVAC+door switches, LED interior
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