Help identifying sound. Newly rebuilt coilovers installed.
I made a new thread because I did not want to derail the other person’s thread. I installed a rebuilt AST 5100 using stock top hats are from a 2017 car (asked damper rebuilder to install the tops hats for me, to make sure I don’t screw it up), new spl front end links and front lower hole camber bolts. Everything else stock. The sound is most audible in the front driver’s side. The sound is a distinct thud in all small dips of the road not metal on metal hitting each other. Only in lower speed like less than 10-15miles/hr in parking area. I did double and triple checked on all nuts and bolts and all are torqued to specs and tight. Couple videos attached. Note: I have not done an alignment. Thank you in advance. Wanted to see if anybody had similar issue and got it resolved. (You may or may not need headphones to hear it. Camera is under wheel well so the sound of engine is loud too.)
https://youtu.be/3kxonwbeOnw https://youtu.be/3n-K0LElNls |
Where are you at on the valving for the shocks currently?
If you're all the way at zero on the rebound, turn it up a couple clicks and retest. You could have something on the rebound side of things where the piston isn't completely seating and it making the noise. Especially if it's only occurring at low speed and not high speed (like hitting a highway bridge rut or something) - I'd suspect it's something along those lines. |
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Is your top nut properly tightened?
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^ My first thought.
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It's an M12 nut |
Help identifying sound. Newly rebuilt coilovers installed.
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Thanks. Will do. I appreciate all the replies.
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Stop top hat =/= stock center nut. Depending on his shaft, it may be different, which may have a different torque spec.
OEM is M12x1.25, but Tein and JRZ are both M14x1.5. AST is typically M12x1.25, but not always. |
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