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Old 06-22-2019, 01:02 PM   #1
Rigid80sMTB
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Default play in brake caliper? creaking noise


I have a creaking noise when braking at low speed sometimes, and noticed that there's play in the caliper on the side the noise comes from. You can also hear creaking when I push on the rotor* in the video. Is it supposed to be like this?
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Last edited by Rigid80sMTB; 06-22-2019 at 02:05 PM. Reason: wording
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Old 06-22-2019, 01:41 PM   #2
supermarkus
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That's a rotor and it won't move when your rim is properly installed.

In my experience, creaking usually went away after lubricating guide pins and the pad backing plate.

Last edited by supermarkus; 06-22-2019 at 01:58 PM.
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Old 06-22-2019, 02:03 PM   #3
Rigid80sMTB
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Quote:
Originally Posted by supermarkus View Post
That's a rotor and it won't move when your rim is properly installed.

In my experience, creaking usually went away after lubricating guide pins and the pad backing plate.
Yeah ik what a rotor is, I'm saying when I press on the rotor the caliper itself moves quite a bit. The calipers on my wrx just barely move when I press against the rotor. And I've tried lubricating the guide pins/backing plate multiple times. Only helps for like a week.
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Old 06-22-2019, 02:16 PM   #4
supermarkus
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Quote:
Originally Posted by Rigid80sMTB View Post
Yeah ik what a rotor is, I'm saying when I press on the rotor the caliper itself moves quite a bit. The calipers on my wrx just barely move when I press against the rotor. And I've tried lubricating the guide pins/backing plate multiple times. Only helps for like a week.
Ooh I gotcha. I'm in a restaurant so I can't hear the creaking for myself. You're saying the caliper support is moving? That part should be fixed to the knuckle and not move right? I know it sounds weird but are your brake likes clear of everything? I've had weird noises when my brake lines contacted the strut body.
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Old 06-22-2019, 11:39 PM   #5
Rigid80sMTB
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Yeah exactly, and I've checked that all the bolts are tight. The brake line looks like its out of the way of the strut, but I'll check anyway. The creaking matches the wheel speed when braking.
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Old 06-23-2019, 06:44 AM   #6
Blktrax
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Get some OEM pads that come with the proper pad anti squeal shims and pad slide shims. Just from that video I can see the back pad squeal shim has walked down on that outside pad and will bet a dollar itís rubbing/catching on the pad slide shim at the bottom. Typical of auto part store pads that only use single shims that are glued to the back of the pad , vs Subaruís 2 shims design. Pad gets hot glue melts , shim slides/walks down and rubs the pad slide shim. I see this weekly with brake noise complaints.

Also see caliper side pin notes below.

The caliper slide pins. 1 should be solid , the other should have a rubber isolator over about 1/3 of the end of the pin. The one with the rubber goes in the lowest pin hole (closest to the ground).
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Old 06-23-2019, 07:38 AM   #7
Aurielo24
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Quote:
Originally Posted by supermarkus View Post
That's a rotor and it won't move when your rim is properly installed.

In my experience, creaking usually went away after lubricating guide pins and the pad backing plate.
+1
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