Brake Help

"Sampsonite24-Earth's Least Likeliest Hero" (sampsonite24) 02/10/2015 at 15:37 • Filed to: slowbalt, brakes

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So we recently replaced the brake rotors and pads on the cobalt and now that everything is on there is a noticeable pull to the left whenever your press the brakes. any guesses what could cause this? Before we replaced them they wouldn't pull they were just grinding. Now no grinding but they pull.

have a GT3 Aston Martin with glowing rotors

EL_ULY > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 15:39

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check the caliper slide pins. Make sure they are lubed

Yimmy_D_Yo > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 15:41

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Did you grease the caliper pins?

themanwithsauce - has as many vehicles as job titles > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 15:41

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Did you bleed the lines to get rid of excess air? It sounds like maybe one piston is getting more fluid/power assistance than the other?

Scary__goongala! > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 15:42

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is some kind of adjustment screw or something of that nature you need to mess with? My rear brakes have a screw/bolt that seats them in the rotor correctly.

Destructive Tester > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 15:48

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I'm with EL_ULY, was the wear on the old pads uneven like say, the ones on the right had a lot more material or the inner pad had less wear than the outside? I'd say either the pins are sticking or you might have something else up with the calipers...

KusabiSensei - Captain of the Toronto Maple Leafs > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 16:04

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EL_ULY is right. Check the slide pins. If you didn't pull the lines, they shouldn't need to be re-bled.

Sampsonite24-Earth's Least Likeliest Hero > Destructive Tester 02/10/2015 at 16:06

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Well on the right side the inner pad was worn more than the outer but I didn't see the left side done cause I was at work and I doubt the slide pins were lubed because even though I bought the lube my wife's dads friend thought I just wasted $1.95

Destructive Tester > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 16:09

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You might have some binding on the slide pins. The reason I asked about the uneven wear is because it sounds like you might only have one pad on the right side doing most of the work on the right side while both pads are grabbing on the left. This will also conveniently explain the pulling to the left you described...

I could very well be wrong but its the cheapest, easiest potential fix that seems to fit your symptoms.

Sampsonite24-Earth's Least Likeliest Hero > Destructive Tester 02/10/2015 at 16:59

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Yeah I'm gonna try lubing them and see what happens

Destructive Tester > Sampsonite24-Earth's Least Likeliest Hero 02/10/2015 at 17:05

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Good luck! Let us know how things go.