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EM1 Civic Si Front End clunk

Discussion in '6th Generation Honda Civic (1996-2000)' started by sonicc, May 15, 2017.



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  1. sonicc

    sonicc New Member

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    Hello everyone,

    I have a 2000 Civic Si with 183k miles that has sort of a pop or clunk noise coming from front end (right side). So far I've noticed it when backing out of a parking spot, turning the wheel all the way to the left, hard braking, and even from stop-and-go sometimes.

    I have done/replaced the following:
    - front upper control arms on both sides
    - upper & lower ball joints on both sides
    - sway bar links on both sides
    - front lower engine/torque mounts
    - inspected front upper engine mount (the one below airbox)
    - new right cv axle
    - visually inspected the right strut for damaged strut cap/bearing
    - new sway bar bushings
    - new tie rod ends
    - inspected lower control arms and bushings
    - checked the front right wheel for any free play

    and the noise is still there.

    At this point I'm just looking for some ideas what else to check.

    Thanks.
     
  2. CivicEx'00

    CivicEx'00 New Member

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    Does it go faster at higher speeds? Ot could possibly be a warped brake rotor. It would sound like a bump or rattle depending on how warped it is, and would happen ad fast as the wheel is spinning.

    I'd also check that all your wheel lugnuts are properly torqued down

    Sent from my SM-G920V using Tapatalk
     
  3. sonicc

    sonicc New Member

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    It's not a continuous noise like for example when the CV axle goes bad and makes that clicking noise. If I'm pulling out of a parking spot, it will pop once and that's it until I come to a complete stop and then move again (usually).

    Rotors are new, there's no vibration when braking. Wheel lugnuts are always torqued properly (double-check everytime).
     
  4. boofoo

    boofoo Respected Registered VIP

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    Problem caliper?
     
  5. sonicc

    sonicc New Member

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    Why would you think caliper (not being smartass, seriously asking)?
     
  6. nickieluvschris

    nickieluvschris New Member

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    I would check rack and pinion

    Sent from my SM-J320P using Tapatalk
     
  7. nickieluvschris

    nickieluvschris New Member

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    My car did the same thing and that's what it was

    Sent from my SM-J320P using Tapatalk
     
  8. boofoo

    boofoo Respected Registered VIP

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    Noise seems to have link to braking.

    Why do you think the idea of a brake problem is remote?
     
  9. sonicc

    sonicc New Member

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    I'm not having any of the usual symptoms of a bad rack and pinion, but I think I'll definitely check it out today and make sure none of the bolts or steering rack brackets are loose. Might also have to check inner tie rod ends while at it. But as far as the steering goes it feels pretty normal, no tightness, squealing, or free-play.

    On a related note, the noise seems to have started after I got an alignment - after replacing the parts mentioned in OP.


    It doesn't only make the noise when braking. I'd think if a caliper was at the point where it was making that kind of noise that I'd definitely feel a difference when braking (like vibration, car pulling to one side, etc.).
     
  10. MotorMo

    MotorMo Respected

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    Tough one to diagnose with out being there to experience it. Couple of things come to mind-
    --Some times brake pads have extra space between the top and bottom resting point, thus the first engagement of the brakes in reverse of forward can cause a "clack" noise as the brake pad hits the upper or lower portion of the caliper bracket (mostly after market pads )
    --Aftermarket axle quality seems to be going down hill lately in my experience, I wonder if you got a bum axle out of the box? The quality has got so bad lately, that we only use Honda OEM axles in our customers cars due to these kind of issues.
    --If the noise started after the alignment, then I would check those nuts and bolts that they jacked with. Did they install the axle and/or brakes?
    --You could also retorque everything- subframe bolts, brake caliper bolts, etc...
    --Side note, I myself am chasing a similar noise. After install the Koni and GC combo, both my fronts pop during the initial engagement of first gear ( when things get loaded ). Its dumb and needs to be handled haha. Little things add to big things.
    Keep us in the loop and good luck.
     
  11. sonicc

    sonicc New Member

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    I've experienced the noise brake pads can cause by having some extra gap before and this is not it. This can be felt throughout the car.

    The axle I bought was Duralast from AutoZone. It didn't make any difference when I installed it, the noise was still there, so I put the old one back.

    I *think* it started some time after the alignment, I'm going to check steering stuff today hopefully and torque everything again. I installed all the stuff.

    In your case, since you installed aftermarket shocks and springs, have you checked the strut mounts and made sure the spring is seated correctly?
     
  12. boofoo

    boofoo Respected Registered VIP

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    Maybe they failed to tighten the tie rod lock nuts and/or damaged the boots in the process.
     
  13. sonicc

    sonicc New Member

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    Yesterday I had a chance to check a few things:

    - checked the tie rod lock nut made sure they're tight and secure
    - inspected inner tie rod boots, they look good and no leaks around them
    - made sure rack & pinion bolts are tight
    - with car on jackstands, tried rocking and moving each one of the front wheels by hand, no free-play

    I think I might end up replacing the strut mount anyway, just to rule that out.
     
  14. Brak

    Brak Respected

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    have you thought about the motor mounts?
    under initial acceleration, or when placing the car in reverse, the motor will shift, and cause a "Clunk"

    easy way to check, is to pop the hood, and have someone place the car in reverse.
    if you see the engine move, it's a good indicator that at least one of the mounts is bad.
     
  15. MotorMo

    MotorMo Respected

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    I have checked those things already, thank you. It feels like the spring is coming out of its seat- but with the Koni and GC set up there shouldn't be any "out of seat" possibility due to the spring design. Let me know if I'm missing something tho. I installed them with the supplied GC top hats and hardware as well.
    I'll find it- I always get my fish. haha.

    Thinking back, I had a pair of struts that failed in a set of Function and Form Type 2's. They too had a popping noise. Sounded just like a bad ball joint.... They never leaked oil and still worked well enough. I was chasing this noise for a months! lol. I replaced all sorts of stuff in the process. After replacing the Function and Form shock inserts, the noise disappeared. Are your shocks original? What is your suspension set up?
     

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  16. boofoo

    boofoo Respected Registered VIP

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    Pinpointing noises can definitely be a b***h. Good luck.
     
  17. Brak

    Brak Respected

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    over the years, i've adopted the philosophy, if after 2 days i can't locate a noise, that's just the sound it makes now. :mrgreen:
     
    MotorMo likes this.
  18. sonicc

    sonicc New Member

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    I've replaced the front bottom torque mounts as soon as I bought the car, they were shot. Then I checked the top mounts (on each side) and they look fine. Only one I haven't checked is the rear mount, but the noise doesn't seem to be coming from that area.


    It's very annoying. I've dealt with front end noises on other cars, but I was eventually able to pinpoint it to one of the things I already checked in OP.


    I forget about it until it's time to back out of the drive-way =)


    Hopefully over the weekend I'll have some time to take out the strut and take it apart so I can inspect the strut mount and the shock itself. From what I can tell the shocks are still the originals with some 183k miles on them.
     
    MotorMo likes this.
  19. MotorMo

    MotorMo Respected

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    My shocks showed no signs of wear or other reason to make noise- but they definitely did. Didn't believe it until I replaced them.
    On a side note, today I jacked up my car and rotated the upper spring perch bushing independent of the spring and top hat. Noticed an indention where the spring has sat, and signs that the spring has rotated. The noise was not present on the ride home. Something tells me the GC top hat polyurethane bushing are a part of the 'shifting spring' issue that makes the noise. Sooo, yup, as Brak said, "that's just the sound it makes now" lol. Until I fix it, of course haha.
    Let us know how things turn out.
     
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