If your front end goes "thunk" every time you hit a bump, spend 14 dollars to fix it
My 2007 4Runner started making a "Thunk" noise every time it hit a bump. It had the original struts and shocks on it so I replaced with some Bilstiens. The thunk was still there. I randomly came across a video on youtube with a guy with the same problem. He replaced his front end sway bar bushings and fixed it.
I just replaced mine, which were apparently the originals after 167,000 miles. Its only a four bolt job but dang... it took me an hour with an 18 inch breaker bar to remove the 4 bolts. I spent 14 dollars at AutoZone for new bushings and the truck sounds completely different. I did some searching on this forum and did not find this answer to my problem. Hopefully this helps someone out. |
Great thread. I think I have the same issue. In thought it could be a wheel bearing but they seem fine. I get a clunk occasionally from the right front wheel over bumps.
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I don't have a front sway bar any more but the rear is still installed and I get a clunk back there from time to time making right or left turns with a bump in it. Might be my issue.
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pretty common issue on lots of vehicles. i had a 1998 jeep cherokee as my daily for a long time & it did the same thing. replaced the sway bar bushings & fixed the clunk 100%.
poly s/b bushings are next on my list for the 4runner after replacing the xreas with KYB shocks. nit pick: 4runners dont have struts... |
My '03 was clunking couple years ago and I found the stud on P/S broken. Replaced it and new bushings and no more clunk.
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That just fixed my excursion. Thanks!!
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I've got a similar issue, I was leaning towards it being upper control arm related since it's not every bump and sometimes on turns.
Could be shocks as well I guess, not sure when or if they were ever replaced on mine |
Mr. Dobalina, why did you need to use the pry bar, and what was stuck? Getting ready to do this on mine. Did you take pictures?
Thanks! Rick |
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if you run into stuck bolts a breaker bar is a good idea but using some heat from a propane or MAP torch on the bolts will help a lot & usually frees them without needing a breaker bar. |
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Tons of videos on you tube. Without fighting with the rusted bolts, it may have been one of the simplest fixes on my rig with the biggest return. |
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You can decompress the front spring while it is still in the truck by using this method: Tacoma Coil Over Shock Disassembly without a Spring Compressor - YouTube If you still have your original shocks and if they are rusted as mine were, just take a skill saw to them and chop off the top center bolt WHILE YOU HAVE A FLOORJACK SUPPORTING THEM UP FRONT as per the video. I added two weekends to my job because I was constant spraying penetrating oil, fighting them with channel locks, my buddy torched the nuts and set the rubber grommets on fire.... Shit show. I used a new metal blade on each one ad cut through them in minutes. This will be my go to going forward. |
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the entire shock will come out by simply removing the 3 small bolts on the top & the one big bolt on the bottom. the top center bolt keeps the springs in place, then just throw away the entire shock & replace with a new shock that has the springs already installed like KYB. or if using a separate shock & springs like bilsteins etc, then reverse the procedure shown above to compress the spring or rent a spring compressor tool for free or pay ~$20ea to a shop to install the springs. thats beauty of this design, you can remove the entire shock/spring with just the 3 top bolts & not mess with compressing the spring unless you are reusing the spring or installing new ones. & aside from burning rubber parts, a propane/map torch is a savior for rusted bolts/nuts & most will break free without getting everything around it so hot it catches rubber on fire. impact guns are great too since the shock helps break them free. |
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