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Old 01-03-2013, 12:00 PM   #1 (permalink)
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Default Front End Knock Saga

I'm new here as a member, but I have been all over this site over the last month trying to kill a knock in my front end.

Initially the knock was mainly over ANY type of bump in the road.

I have replaced the following over the last month (and made a note of anything worn out)

All 4 Struts
Both Sway Bar Links (swapped to the metal ones, plastic was quite loose)
Both Ball Joints (driver side had a little play, pass was loose but not separating)
Both Inner Tie rod ends (both had play)
Both Outer Tie Rod ends (just because)
All 4 LCA bushings (the front one on the pass side was pretty torn up with the middle metal piece completely loose from the rubber, but the others looked ok)
4-Wheel alignment (was understandably WAY out with everything replaced)

Every time I finish putting things together (I didn't replace everything all at once), it's fine for a day or two, and then I start to get a slight knock that gets much worse - back to what it was before. I've noticed that the knock happens every time coming out of a turn, sometimes going in, and on some small bumps but not large ones. The knock is on the pass side.

I'm at my wit's end. I'm going to take the wheels off again this afternoon and re-torque everything. Has anyone else had this problem come back this way? Is there something I should whack with a rubber hammer to try to pinpoint? Should I find a large hill and a good sized brick?
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Old 01-03-2013, 03:09 PM   #2 (permalink)
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Have you checked the sway bar mount bushings. They will make a knock type noise when turning. Just grab the sway bar and try and move it up and down. Not sure on the 4th Generation, but I can reach and grab the sway bar from the passenger side. When my bushings were loose I could feel the play in the bar.

Another thing members have found was sub-frame bushings seperating or worn.
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Old 01-04-2013, 10:38 AM   #3 (permalink)
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Thanks for that!

I actually pulled the pass wheel off and re-torqued everything.

The only things that I found to be not SUPER tight was the strut pinch bolt (it was torqued to 100 before, took it up to about 135) and the bottom of the sway bar link.

It's quiet . . for now.
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