New brake pads, overheating.. curious - Nissan 240SX Forums
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#1 Old 04-16-2013, 06:16 PM
 
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New brake pads, overheating.. curious

I bought some new Hawk HP+ pads for my front brakes. replacing the old ones I had. didnt change or resurface the rotors, just cleaned them and checked for deep cuts. everything looks smooth. i keep getting a screeching sound and overheating from only the driver side brakes. passenger side everything is perfect.
I noticed once i took off the brakes to add that grease it comes with the outside pad a small chip not to deep on the surface. (my fault) the rotor is still very clean with no cuts. i figured it would keep making the noise untill its leveled out. but not sure on whats causing the over heating. light smoke.

Any idea? fluid not going through?
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#2 Old 04-16-2013, 07:05 PM
 
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Brake pads will smoke and smell a little when new. Did you lube your caliper slides when you put everything together? It really seems like it's stuck and not moving smoothly.
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#3 Old 04-16-2013, 08:22 PM
 
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yeah i made sure those cleaned and greased up
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#4 Old 04-16-2013, 09:58 PM
 
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I guess if it was mine, I'd replace that caliper,...or at least rebuild it. Sounds like it's just not releasing properly.......IMO
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#5 Old 04-16-2013, 11:42 PM
 
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i guess the only way to check that would be to remove it and press and release the brakes to see what happens.
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#6 Old 04-17-2013, 08:36 AM
 
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Just noticed only does the noise at low speeds 5-10 after that no more noise.
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#7 Old 04-17-2013, 12:13 PM
 
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Originally Posted by insane_x10 Last Post
i guess the only way to check that would be to remove it and press and release the brakes to see what happens.

Yow, just jack up that wheel and press and release the brakes, and see if it releases...........I wouldn't pump the brakes without that caliper bolted on there.....ever!
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#8 Old 04-17-2013, 02:24 PM
 
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How come?
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#9 Old 04-17-2013, 02:33 PM
 
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How come?



Because a suspected stuck piston could become a projectile... and hurt/kill someone.

Switch the positions of the inner/outer pads... You may have them on backwards. Had the very same issue with my rears when they were stock way back in the day.

Put plenty of antisqueal on your shims & lube the guide pins to minimize the noise.

IN THE UNIVERSE, THERE ARE TWO CONSTANTS: Hydrogen and Stupidity
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#10 Old 04-17-2013, 02:49 PM
 
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I believe the inner pads come with this hook like thing. So when the pads get low they make noise. I'll double check if they bring it but pads should be on right. Not having any issues with my passenger side
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#11 Old 04-17-2013, 02:53 PM
 
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Are those shims that important? Took them off. And just greased the back of the pads.
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#12 Old 04-18-2013, 08:19 AM
 
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Yes they are... In addition to preventing squeal when properly greased, they also help distribute the force of the piston evenly across the back of the pad so they have a better chance to wear evenly. The good news is that a lot of today's brake pads come integrally shimmed from the manufacturer.

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#13 Old 04-18-2013, 08:37 PM
 
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thanks everyone for the responds.. finally fixed it. good thing it wasn't the piston not releasing , it was the two side bolts on the caliper that were stuck, set some fire, pulled it out, added a lot of grease and good to go. just need to do that to the rest to prevent future problems... And with the whole piston flying out if stuck, i tried to check that, just put a piece of wood in the center so it doesn't go any where and pressed the brakes... Every good...
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