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Rattling Brakes when going over bumps #4805317
07/04/18 07:38 PM
07/04/18 07:38 PM
Joined: Jul 2013
Posts: 47
Ontario, CA
Quakish Offline OP
Quakish  Offline OP
Joined: Jul 2013
Posts: 47
Ontario, CA
2004 Honda CRV. Changed front rotors and pads about 2 months ago. rotors are raybestos and pads are akebono. no shims on the new pads. also installed new aftermarket brake pad clips. lubed the slider pins and greased the clips. everything went back together fine. noticed that when i go over bumps or expansion joints i hear a rattle coming from the front brakes, like something is loose. the rattle goes away when the brakes are engaged. any ideas? could the pads be slightly out of spec? could it be the lack of shims on the new pads? or the aftermarket pad clips? my simple mind is stumped.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805321
07/04/18 07:52 PM
07/04/18 07:52 PM
Joined: Dec 2006
Posts: 976
midwest
JamesBond Offline
JamesBond  Offline
Joined: Dec 2006
Posts: 976
midwest
Did you get all of the caliper and bracket bolts tight? I did the brakes on my 04 civic recently and took a short drive with loose bolts on the caliper or bracket and it made an awful racket. Also check the lug nuts.

Previous pads were Wagner thermoquiets with no (integrated) shims and they had no unusual rattles.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805327
07/04/18 08:04 PM
07/04/18 08:04 PM
Joined: Sep 2014
Posts: 1,490
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,490
Toronto Canada
The springs/clips that hold the pads could have moved or simply broken. Stuff happens. Take em apart and look.

Re: Rattling Brakes when going over bumps [Re: WobblyElvis] #4805334
07/04/18 08:24 PM
07/04/18 08:24 PM
Joined: Aug 2010
Posts: 5,940
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,940
Champlain/Hudson Valley
Miles on that CR-V? The bracket which holds the pads' ears can wear.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805335
07/04/18 08:24 PM
07/04/18 08:24 PM
Joined: Jun 2004
Posts: 128
Canada sometimes
Ded Mazai Offline
Ded Mazai  Offline
Joined: Jun 2004
Posts: 128
Canada sometimes
That is what the anti-vibration shims are for. I doubt you can fix the noise without the shims. You might want to apply some aftermarket noise suppressing paste on the back side of the pads. Canadian Tire should have it.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805341
07/04/18 08:44 PM
07/04/18 08:44 PM
Joined: Sep 2005
Posts: 5,910
MIchigan
Warstud Online content
Warstud  Online Content
Joined: Sep 2005
Posts: 5,910
MIchigan
I would think Akebono Pads would fit like OEM's but it sounds like there loose to me.

Re: Rattling Brakes when going over bumps [Re: Warstud] #4805394
07/04/18 11:09 PM
07/04/18 11:09 PM
Joined: Jan 2017
Posts: 2,008
VW Fanboy Island
maxdustington Offline
maxdustington  Offline
Joined: Jan 2017
Posts: 2,008
VW Fanboy Island
Originally Posted By: Warstud
I would think Akebono Pads would fit like OEM's but it sounds like there loose to me.

Same. I thought they fit every application perfectly and released a lemon scent when you applied the brakes.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: Rattling Brakes when going over bumps [Re: Quakish] #4805419
07/05/18 01:55 AM
07/05/18 01:55 AM
Joined: Sep 2007
Posts: 346
northern NY
Driz Offline
Driz  Offline
Joined: Sep 2007
Posts: 346
northern NY
Pads are a funny beast today. They used to fit in the clips but lately seem mostly too tight in my experience. Grinding them a tad is sometimes needed or they bind . You never know what youre getting these days it seems so grab them wiggle and see. If theyre too loose take them back.
One other thought is the caliper assembly itself. Is it meaning the puck sticking ? Youll likely never be able to answer that question either . An 04 is long in the tooth in the rust belt and those puppies swim in that [censored] constantly. The front caliper on my 2000 GMC rotted right through in 2013! Figure that one out, I cant.. If the clips dont seem visually loose you might try just replacing them with refurb calipers and be done with it.
I started doing that a while back whenever I started having post 100k mile brake issues, normally faster than expected wear on pads and its always served me well. A rebuild kit costs nearly as much as the whole assembly so dont bother honing just replace and be happy. Probably $120 for both sides max more like 75 IIRC. Dont chuck your cores as they want em back for rebuilding. Since theyre off its an opportunity to swap out the brake fluid as well which is a good idea at that age.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805425
07/05/18 03:21 AM
07/05/18 03:21 AM
Joined: Jan 2011
Posts: 2,833
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,833
N.Ohio
Check your brake hardware.


The "thinking" man's friend.
Re: Rattling Brakes when going over bumps [Re: Quakish] #4805442
07/05/18 05:12 AM
07/05/18 05:12 AM
Joined: Jun 2002
Posts: 12,646
The Motor City
Kestas Online content
Kestas  Online Content
Joined: Jun 2002
Posts: 12,646
The Motor City
I had a 90 LeBaron that did that. The ears of the pad backing wore divots in the caliper that was not taken up by the anti rattle clips. The only fix - which I never did - was to weld metal to build up the surface again.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805508
07/05/18 07:04 AM
07/05/18 07:04 AM
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Put some of this sauce on the back of the pads, let dry 20 min and reinstall. This will stop the rattle.

https://shop.advanceautoparts.com/p/crc-...mp;gclsrc=aw.ds


ASE L1, Master. Deutsch Meisterbrief.
Re: Rattling Brakes when going over bumps [Re: Quakish] #4805707
07/05/18 09:53 AM
07/05/18 09:53 AM
Joined: Jun 2002
Posts: 12,646
The Motor City
Kestas Online content
Kestas  Online Content
Joined: Jun 2002
Posts: 12,646
The Motor City
It won't work if the pad is loose in the caliper. It didn't work on my 90 LeBaron.

Re: Rattling Brakes when going over bumps [Re: Quakish] #4805853
07/05/18 12:20 PM
07/05/18 12:20 PM
Joined: May 2013
Posts: 2,160
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,160
Saskatchewan, Canada
Unless something is actually broken, it might not be anything to worry about.

It's the callipers rattling on the brackets. They don't grip the rotors tightly (otherwise your brakes would be on all the time) and are supposed to slide freely so there is always some play. Most installations use some kind of anti-rattle mechanism but if they are missing (even inadvertently) the brakes will work exactly the same; it's not really a fault condition, it's just an annoyance condition.

You can go in and fix it, or not, as you see fit. Some brake setups don't have an OEM anti-rattle mechanism, but replacement pads usually come with something you can use on replacement.


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]
Re: Rattling Brakes when going over bumps [Re: Quakish] #4805857
07/05/18 12:22 PM
07/05/18 12:22 PM
Joined: May 2012
Posts: 4,533
Baltimore, Maryland, USA
zzyzzx Offline
zzyzzx  Offline
Joined: May 2012
Posts: 4,533
Baltimore, Maryland, USA
How do you know that it's the brake pads?

Re: Rattling Brakes when going over bumps [Re: Kestas] #4805966
07/05/18 01:56 PM
07/05/18 01:56 PM
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Originally Posted By: Kestas
It won't work if the pad is loose in the caliper. It didn't work on my 90 LeBaron.


If the pads are very loose that it wont there is something really wrong with the fitment of the pads and probably should be replaced. It will prevent slight movement but its not going to stop a marble in a can.


ASE L1, Master. Deutsch Meisterbrief.
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