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Brakes squealing

1377 Views 6 Replies 5 Participants Last post by  Bvogt
I have a 2015 Cruze with a little over 70k miles. I noticed a squealing noise when braking so I took it in to get them looked at. They said the brakes were fine and they had a lot of life left. I still heard squealing so I took it in again and they cleaned them. It still squeals no matter how slow I go. Not sure what to do here.
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2015 Cruze 1.4L engine 6 speed AT
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Not sure what to do
Well, I'm going to start just by telling you that disc brakes are very simple mechanical devices. I don't have the words for any shop that can't take care of squealing brakes.
That said, if they didn't put on a dial indicator they might have missed a warped rotor because you just can't "see" that un-aided.
Although your problem could be one or more of only a few items, this is what I would do. Because parts are so cheap, and you will probably need them anyway.
Put on a new set of rotors and brake pads. You MUST do a few things at the same time.
1) Install new brake hardware. This is just what "they" call the brake pad guides.
2) Clean and lube the caliper pins.
3) Make sure the calipers, wheel hub, wheel face is steel brushed free of rust and dirt, then cleaned with brake cleaner.
4) Bleed brake system afterward.

Doing this will cover most anything that could be wrong. If you are going to do the work yourself, we can help. The one thing that many people fail the realize is that 95% of what makes disc brakes work well is keeping everything parallel.
 

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Have the rotors turned.

Use disc brake quiet spray on the backing plates of the pads.

Brakes and rotors glaze. That's what causes the squeal. Which usually only happens in the hot summer heat. Not cold winter time.
 

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14 Diesel Cruze, ‘14 volt, ‘72 442
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479 Posts
Wheel bearings hum at all times regardless of brakes applied or not.
I had one go on my old Colorado years ago. Thought it was the brakes squealing. I checked and rechecked a couple times. Then the bearing must of just gave out and locked up on my while driving. Never heard the humming, just squealing while breaking and turning left at low speeds. Then again, the truck was a piece of s*** and was always making strange noises lol. Just throwing it out there.
 
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