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2008 Honda Pilot Passenger rear brake noise after new pass and rotors.


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Silencep77
New User

Oct 25, 2021, 7:32 AM

Post #1 of 8 (288 views)
2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

2008 honda pilot
V6 4WD
~130k


I was hearing a squeak while moving at slow idle speed at the rear right wheel. Figured I would take a look.

I decided to replace the brakes and rotors. Pads are wagner ceramics. The old pads still had some meat on them, the rotors were pretty warn. Could have went a little longer, but I figured it cant hurt.

I put it all back together and now no more squeak, but I hear a grinding type noise , sounding like the brake is engaged. Its a sound that is bad enough that one would go back to the mechanic. Its more of a pulsing sound than steady but it's definitely not an "on again off again" sound. There may be an undertone that is steady, but it gets louder and quieter. The noise increases on turns, depending if weight is on the wheel or not.

After much troubleshooting, I found that the emergency brake was not returning to its normal position. (This is the drum brake style parking brake, inside the rotor.) I saw some bad rust on the cable. It would engage, but not disengage. So I replaced the right side parking brake cable.

Once that was all done, I calibrated the parking brake, put everything back together. Still hear the noise. There was definitely brake dust on the parking brake.

After all sorts of adjustments on the parking brake, the noise persisted. I finally, set the adjustment so the parking brake was all the way in. I rotate the rotor and i don't hear any sound of the parking brake rubbing. good. i put the caliper back on, and i hear the usual brakes resting on the rotor sound. I put the wheel back on and take it for a ride.

Its still there. Its definitely not as horrible, but it is still there and very noticeable. As I said its not really a steady sound but a pulsing sound.

I'm at my wits end. I must have taken that damn wheel, caliper and rotor off at least a dozen times. I cant figure it the hell out.

I take it for a drive around the block, and then when i get home I feel the rotor and its not hot, the same temperature as the other side. The plate also is not rubbing on the rotor.

I figured some of the sound is from the brakes bedding in, but I haven't heard it quite like this before, and on one side only.


(This post was edited by Silencep77 on Oct 25, 2021, 8:06 AM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 25, 2021, 9:40 AM

Post #2 of 8 (275 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

Two likely possibilities are

Backing plate slightly bent and now contacting the back of the rotor

Something assembled incorrectly in the parking brake mechanism.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 25, 2021, 3:27 PM

Post #3 of 8 (254 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

That method of making a parking brake INSIDE (hidden from sight) a disc brake rotor is up with the dumbest ideas ever by mankind for vehicles! Worse, it's contagious and many types now do that??
Skip my rant but it's a static brake (means to work only when still) not self cleaning or drying off if wet those go all to hell whiteout wear.
Drum style requires a backing plate as Hammer just mentioned also suspect isn't known unless you take it all apart to really look. If you replaced rotors those shoes for parking brake should have been checked hard or even taken apart to clean, rustproof and check hardware or just toss it all for new. New shoes IDK would depend on what you saw.
It feel lousy so you (OP) said so go back and really look. Expect and be ready to take it apart and new hardware kit on hand. Adjustment how done hope is cleanable, greasable with high temp brake grease if what I think it might be set up like.
Lousy design do what you can to minimize it and last. OMG what a horror to put that on a list twice a year to do to keep it OK.
It's quite apparent I hate those because I do! A fav line is "There are limits to BRILLIANCE but no limits to STUPID" and those fit exactly,


Tom



Silencep77
New User

Oct 25, 2021, 4:50 PM

Post #4 of 8 (236 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

Thank you for the tips! It does seem so terribly stupid. I've checked the plate but I'll check again. I'll pull it all out again (those springs are a bitch) and check I all again. However I'm reaching my limits of taking everything off and back on again!


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 26, 2021, 12:47 AM

Post #5 of 8 (228 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

Sorry for that rant partly meant to be amusing but it's not. This one is making noise to muster up the energy to go back. Springs and hardware tools? There are tons of assorted tools to help and some types of drum style (the basic idea) easier to assemble mostly then put it up to backing plate. Attach cable when it reaches and you can.

Don't forget cables if this is off work those so you know they are free to self extend OFF mode or would drag. Don't adjust cable to adjust a drum brake in general if parts to spec adjust the brake just right and first.

These can stop you from using the vehicle so it shouldn't wait. If all smashed up inside IDK, could lock up that wheel in a mess of junk metal.

Many vehicles anywhere are exposed to harsh situations include salting roads as a horror where I am for everything it touches this style then needs routine checking, cleaning as drum brakes did and do if the only brake style. Great for what and how it's needed or not for the expected needs and use of the vehicle.

Carry on with this and more wish it was a choice when you got it new (if you did that's rare for the age) to fit your needs,

Tom



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 26, 2021, 3:25 AM

Post #6 of 8 (219 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

One more thing to check...............

Compare the old parts to the new ones. It's sometimes easy to get slightly different parts without realizing it.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Silencep77
New User

Oct 26, 2021, 5:54 AM

Post #7 of 8 (201 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

Good idea. I was also thinking of switching the rotor and pads with the other wheel and see if it still happe s in the same spot. Just in case there is run out on the rotor or something.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 26, 2021, 6:11 AM

Post #8 of 8 (197 views)
Re: 2008 Honda Pilot Passenger rear brake noise after new pass and rotors. Sign In

You have to put the old part and the new part down side by side to compare height, diameter, thickness, offset, etc.

It's not uncommon to have different models or even just different brake packages taking different parts with ever so slight differences.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Oct 26, 2021, 6:12 AM)






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