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post #1 of 9 (permalink) Old 08-28-2012, 11:26 AM Thread Starter
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Knocking Sound when Braking

Hello everyone, I havent been on here in a good while.

Im stumped.

I replaced the rear brakes a few weeks ago and the first problem was they they squealed. That problem has pretty much fixed itself but the brakes do knock when pushed. It only happens when im pushing about 1/2-3/4 of the way down.

The faster Im going the faster it knocks, almost like its hitting something. (coming from rear passenger drum)

Wheels are torqued at 100. Whole brake assembly is clean, Ive brushed the rust off the wheel bearing prior to placing drums back on.

The only thing left would be the backing of the brakes? Would that make a clunking if it was bent during removal. I tried not to put pressure against it for that reason.

Which leads me to my other question. Does anyone have the part number for those for an 05 LS. and how much are they?

Thanks for everyone who helps
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post #2 of 9 (permalink) Old 08-28-2012, 12:53 PM
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Looks like one of the shoe springs came off. Might have to take it apart and check.

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post #3 of 9 (permalink) Old 08-28-2012, 03:53 PM Thread Starter
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shoe springs, as in the red thing (for lack of a better word) that goes into each brake tucks behind the lip. (hard to explain) i just checked and thats in, everything looks good.
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post #4 of 9 (permalink) Old 08-28-2012, 04:16 PM
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Put a go pro down there and go for a drive

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post #5 of 9 (permalink) Old 08-28-2012, 05:00 PM
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Did you adjust the starwheel so shoes were snug against the drums? Does your parking brake work?

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post #6 of 9 (permalink) Old 08-28-2012, 05:06 PM
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Could be the hub...

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post #7 of 9 (permalink) Old 08-28-2012, 07:19 PM
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no you didnt adjust the stargear out far enough on that side.

So your drivers side contacts the inside of the drum, while the passenger side barely contacts/grabs on and off slightly causing the knocking noise

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post #8 of 9 (permalink) Old 08-29-2012, 10:42 AM Thread Starter
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thank you all for the help. Sorry my internets been a little messed up. ill go try and adjust the star wheel again, now that you mention it i didnt check that part. Ill be back on in 30 when i get it done and go for a ride. I hope it works, its driving me crazy lol

---------- Post added at 09:41 AM ---------- Previous post was at 08:54 AM ----------

ok so i adjusted it again and the noise is almost gone. I can barely hear it now. Do you think going in reverse (20km) and braking hard would set it or would I have to re open it.

Also, when i put the drum on its suppose to turn without contacting the shoes correct? or should there be little contact?

---------- Post added at 09:42 AM ---------- Previous post was at 09:41 AM ----------

and one of the sides squeals a little when starting up... maybe 0 to 10 km/h

any ideas?
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post #9 of 9 (permalink) Old 08-29-2012, 01:05 PM
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Reversing and braking will work if your starwheel is running freely and your close to being well adjusted.

Yes the drums should make contact a bit when first installed, not enough to stop you from spinning but you should feel or here it.

A bit of squeal is normal if you didn't resurface the drums. It should go away.

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