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Pedal creaking noise - tried everything already.

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Pedal creaking noise - tried everything already.

Old 01-09-08, 06:41 PM
  #1  
furiousbob
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Pedal creaking noise - tried everything already.

I've got a Mercier Kilo TT with stock cranks/crankset and a power-grip combo pedal setup (which I've had for about 3 months now with no problems)

I recently struck the pedal in a sharp turn going relatively fast. That was about two weeks ago. This morning I get up for a local ride around town and my right pedal starts creaking. Here's the facts.

-Only creaks between the end of the downstroke and the beginning of the upstroke, right as I let pressure off the pedal.

-Already threw out the cranks/crankset/power grip strap/power grip assembly/pedal not tight enough/pedal threads not greased/stem/handlebar/seatpost/seatpost collar as possible causes for the noise.

I went to my LBS to get it checked out and after the guy took it around the block, he said there was something wrong with the internals of the pedal due to the pedal strike weeks prior. He told me to give it a couple days to see if it would go away.

Suggestions?
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Old 01-09-08, 06:45 PM
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Mine's creaking too, though my bike is old as dirt. Have yet to troubleshoot it though.
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Old 01-09-08, 07:06 PM
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Sounds like you hit it hard enough and may have bent the pedal axle itself, which would make it wobble about on its axis. If you load it up, maybe it flexes into line, and when you unload it, you're letting the axle return to its now bent shape and making noise.

$0.02
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Old 01-09-08, 07:11 PM
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Makes sense.

BTW, I also tried riding on the flip side of the pedal and it doesn't seem to make any noise. I'm kinda confused now. Either way I'm hoping, if it's bent, that I can ride it for another couple weeks till I get a replacement pedal.
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Old 01-09-08, 07:51 PM
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My suggestion is to swap out the pedals and see if the noise remains.
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Old 01-14-08, 11:56 PM
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I had a minor pedal strike on the left pedal today and after about two miles it started creaking really softly and eventually got louder. I'm almost positive it's the crappy pedals I got with my power grips. The power grips are great and I thought the pedals were decent but I guess it's time to get some Sylvans.
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Old 01-15-08, 12:18 AM
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It would not cost much for a set of cheap and nasty plastic flats, you can get a set for about a 5 in the UK. Just fit them to see if the noise goes away, if it does there is your answer, it is the pedals. If however it stays, you have a problem with the cranks, or the BB, or the BB housing, or the BB axel.

Okay, the OP says he has had his LBS check out the bike, but I say do not take his word for it. Just to be sure check the tubes around the BB are undamaged, check the square hole in each crank is undamaged and have not split, same to with the threaded hole for the pedals themselves. Yes I know this is overkill, but you can set your mind at rest, it is elimination we are looking for. Look at worst case first, and then deal with the niggly side of things.
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Old 01-15-08, 12:21 AM
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Worst case scenario, could there be any damage to the frame via bad BB/crank? I have the pedals that originally came with the bike and I'll put those on tomorrow but can damage be done to the BB/crank/frame if I leave pedals with bent spindles in?
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Old 01-15-08, 12:26 AM
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If you are having pedal strike so often maybe you should look at the way you are riding and also consider shorter cranks.

What length are your crank arms?
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Old 01-15-08, 12:28 AM
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I don't think it's the problem in this case, but I once spent an inordinate amount of time tracking down a "pedal" noise, only to find out it was the shoe!
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Old 01-15-08, 12:43 AM
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Originally Posted by furiousbob View Post
Worst case scenario, could there be any damage to the frame via bad BB/crank? I have the pedals that originally came with the bike and I'll put those on tomorrow but can damage be done to the BB/crank/frame if I leave pedals with bent spindles in?
Not from using damaged pedals and crank, it is just an annoyance. But the initial impact may have caused damage at the time. It is unlikely I hasten to add, but it is worth checking just to be sure.
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Old 01-15-08, 12:44 AM
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sounds like you bent the arm so i would get new peddles
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Old 01-15-08, 12:48 AM
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Originally Posted by mike-on-da-bike View Post
sounds like you bent the arm so i would get new peddles
If the crank arm is bent or damaged new pedal will not help.
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Old 01-15-08, 12:51 AM
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Originally Posted by coldfeet View Post
I don't think it's the problem in this case, but I once spent an inordinate amount of time tracking down a "pedal" noise, only to find out it was the shoe!
Same here, it turned out to be a broken seat rail that was hidden under the seat clamps.
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Old 01-15-08, 12:56 AM
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i was saying if he bent the main arm that runs through the peddle not the crank arm anyways it takes alot to bend that one i would say it is the peddle bent due to the noise he described if not replace the crank as well
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Old 01-15-08, 01:12 AM
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Originally Posted by mike-on-da-bike View Post
i was saying if he bent the main arm that runs through the peddle not the crank arm anyways it takes alot to bend that one i would say it is the peddle bent due to the noise he described if not replace the crank as well
Okay, I apologise, and this is why confusion starts when explaining problems, you mean the pedal 'spindle' not the arm. I saw the word 'arm' and equated this to 'crank arm'. It is just a confusion of terms.
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Old 01-15-08, 01:28 AM
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Thats what I thought at first also. It does seem to be a bent spindle. A bent crankarm would be good, in a way, as it would give me an excuse to replace the stock cranks...heheh

Won't know if it's the spindle until tomorrow though.

Edit - I'm running 165 crankarms btw... theres just this one corner on my work commute that I love to take full speed and I've hit the pedals once or twice.

Last edited by furiousbob; 01-15-08 at 01:57 AM.
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Old 01-15-08, 12:41 PM
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Well it's the pedals, bent spindles and all. I'm picking me up some sylvan gr9's next.
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Old 01-15-08, 12:44 PM
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I always tighten crank arms when I hear a creak.

I know the OP said this is one of the possiblities he "threw out" but I'm not sure what that means...
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Old 01-15-08, 01:00 PM
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I've already tightened them a few times and theres no creaking when I step down on the crank arms but there is a creaking when i put some pressure on the outermost tip of the right pedal.
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Old 01-15-08, 06:29 PM
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Got it, and it does sound like the one pedal is toast.

The Sylvans should fix you up!
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Old 01-22-08, 06:19 PM
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Does it look like anything is bent? My bike does it, and the offending pedal is bent badly.
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Old 01-22-08, 06:51 PM
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One of my platform pedals started squeaking, and just pouring oil down the shaft (with it off the bike) fixed it.
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Old 11-13-09, 12:30 AM
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I know this thread is old, but rather than making a new one I thought i'd ask - is there any quick way to recondition or repair platform pedals? Mine creak (they're old '80s ones) and i'm almost certain it's the bearings. they're a bit loose on the axle, and the noise happens when I change the direction of my pedalling force (on a fixed gear, as in, starting to slow down or starting to accelerate).

any ideas on how to fix this. I really don't want to have to buy new pedals!
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Old 11-13-09, 12:58 AM
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^Take your pedals apart, inspect the races for wear (need new pedals if they are worn badly), replace all the bearings, grease it up, and adjust. Should give you a lot more years of service after that rebuild.

On the other hand, new platform pedals are inexpensive and just need to be greased and adjusted...so there are choices/alternatives available. Sometimes it's just time to buy new pedals and you can find similar pedal styles to your OEM pedals, if you are more comfortable with them or want to be as period correct/close as possible.
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