front end clunk when braking and releasing brake HELP ! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-02-2013, 08:09 PM   #1
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Default front end clunk when braking and releasing brake HELP !

200 Lesabre 90k...when at real slow speed like just crawling and you apply the bake quick and release quick you get a "clunk"...thought it may be caliper o brakes...calipers are fine and I replaced the pads too...

doesnt seem to do it in reverse and still does it when in neuteral...I was thinking lower control arm bushings but why would it make the noise when releasing the brake too ???
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Old 11-03-2013, 09:25 AM   #2
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because when slowing down it puts stress one way on the suspension and then when you release them it slams the other way. it sounds like the control arm bushings or upper mounts or engine mounts, you can have someone put it in d and r back and forth while holding the brakes and see if you can see whats moving. sounds like the control arm bushings are becoming common though, my inlaws just bought one of those and the control arms were new
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Old 11-03-2013, 11:28 AM   #3
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doesnt make sense to me...it still does it when in neutural,,,,and if you come to a complete stop and sit still a secon you still hear and feel it when you release the brake pedal...I could understand a clunk when hitting the brake quick but not a clunk when releasing after sitting...and nothing in reverse...im going to go up and jack it up and take another look brb
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Old 11-03-2013, 12:38 PM   #4
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you have to watch it with the weight on it, and see where it moving more than normal
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Old 11-03-2013, 01:19 PM   #5
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Well I just looked at them and it looks like the drivers side bushing toward the front is gone ! The hole is much larger than the bolt...so replace both sides ?? And do the whole arm or just the bushings ?
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Old 11-03-2013, 01:39 PM   #6
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if i chg the entire control arm it doesnt look that hard....looks like I just remove the ball joint castle nut, stabilize bolt and the two bolts thru the bushings...doesnt look like I have to remove the caliper or the wheel bearing ??? Anyone here done these before ??

Again not sure if I should do the bushings or the whole arm
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Old 11-03-2013, 03:26 PM   #7
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is the strut attached to the spindle on those? just make sure that you are careful to pay attention to spring tension, i will remove the castle nut with a jack under the arm then slowly lower the arm after the ball joint is separated
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Old 11-03-2013, 04:18 PM   #8
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Don't those bushings in control arms have to be pressed out?
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Old 11-03-2013, 04:47 PM   #9
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I would probably just replace the whole arm...55.00 each and they come with a new balljoint attached...

It looks like if you just jack it and let the control arm han down you just remove the tire,satbilizer bolt, ball joint nut, and two bushing bolts and its off....doesnt look hard at all
This car is really clean underneath too so stuff isnt all rusted to death
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