Front suspension clunk/ pop | 2008 Mazda 3 Hatchback - Page 2 - Mazda3 Forums : The #1 Mazda 3 Forum
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post #11 of 37 (permalink) Old 06-18-2014, 04:51 PM
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First let me say that I do appreciate your help with my vehicle's issue.

Since the car is lowered, how is it even possible to get access to the two bolts when the vehicle is on the ground?
I have a set of ramps, and that helped immensely.

I'm pondering your issue, cause you've changed most of the problem children minus the LCA's, but the noise they make isn't usually like you're describing.

I hate to suggest it, but when I did my struts, I have a strut mount go to shit a couple weeks later, made EXACTLY the same noise you're describing. Replaced, and not a peep since.

Open your hood, rest your forearms on the fender (one side at a time) and use your weight to push down on the fender and allow the car to rebound. If you hear the noise coming from the tops of the strut mounts, there's your issue. In my case, the metal washer that the top nut sits on was disbonded from the rubber, and the noise I was hearing was it tapping on the bottom of the nut.

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post #12 of 37 (permalink) Old 06-25-2014, 05:10 PM Thread Starter
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Originally Posted by philrab View Post
I hate to suggest it, but when I did my struts, I have a strut mount go to shit a couple weeks later, made EXACTLY the same noise you're describing. Replaced, and not a peep since.

Open your hood, rest your forearms on the fender (one side at a time) and use your weight to push down on the fender and allow the car to rebound. If you hear the noise coming from the tops of the strut mounts, there's your issue. In my case, the metal washer that the top nut sits on was disbonded from the rubber, and the noise I was hearing was it tapping on the bottom of the nut.
It's definitely not the strut mount since the noise has been happening since everything was stock. Fast forward to new struts, new strut bearings, new strut mounts, new end links and the sound persists.

I've tried the rocking maneuver more than a few times and I cannot duplicate the sound. It only happens while driving.

My next step is to take a drive down to my "Mazda only" mechanic and see what he thinks.
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post #13 of 37 (permalink) Old 07-16-2014, 12:19 AM Thread Starter
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Update.

So, I dropped off my vehicle to the local Mazda only mechanic. The vehicle was there for 5 days.

They replaced the strut mount back to the OEM one because they thought there was too much play with the strut bolt coming through it. Anyway, nothing changed.

The clunk from satan himself persists. Fortunately, my mechanic didn't charge me anything. At this point he thought maybe bringing the car back so they could remove the front bumper and see if there is anything loose or rolling around.

I'm at a loss.

I'm thinking about reaching out to LBC John and seeing if he would do a ride along with me and give me his thoughts.

My suspension guy, my mechanic and myself are all perplexed.
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post #14 of 37 (permalink) Old 07-16-2014, 12:37 AM
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If I lived closer, I'd tear in myself.

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post #15 of 37 (permalink) Old 07-16-2014, 01:44 AM Thread Starter
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If I lived closer, I'd tear in myself.
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post #16 of 37 (permalink) Old 07-17-2014, 01:43 PM
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Something other than suspension?

You mentioned that it happens on right turns, but does it ever happen on smooth turns? That is, could it be a wheel-bearing, or some part of the steering rack, or something else other than suspension?

Maybe even some part of the fender or a frame brace flexes until it shifts, causing a clunk?
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post #17 of 37 (permalink) Old 07-17-2014, 03:08 PM Thread Starter
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Originally Posted by wheelspeed View Post
You mentioned that it happens on right turns, but does it ever happen on smooth turns? That is, could it be a wheel-bearing, or some part of the steering rack, or something else other than suspension?

Maybe even some part of the fender or a frame brace flexes until it shifts, causing a clunk?
It mostly happens on a right turn into a driveway when the right strut is "compressed" and the left strut is "extended." Hopefully that paints the correct image. Every now and again, it might make the clunk when making a u-turn on a smooth road but it's rare.

Could it be a wheel bearing? I guess but my understand if it were a wheel bearing the noise would be different and it would happen more often. Furthermore, both mechanics don't think it's that.

At this point I am thinking it might be some body issue but I can't be sure. The vehicle has never been in an accident.
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post #18 of 37 (permalink) Old 08-02-2014, 06:25 AM
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slow speed only? on turns? uneven ground? both? vibrations in the steering wheel at all? i've had a similar issue changed endlinks, control arms, tie rod ends, struts.... from what i've been told there's only a few more options for me. sway bar bushings, strut mounts (which you've changed), pmm, cv axle or inner tie rod... that's about all that's left lol

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post #19 of 37 (permalink) Old 08-04-2014, 01:16 PM Thread Starter
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slow speed only? on turns? uneven ground? both? vibrations in the steering wheel at all? i've had a similar issue changed endlinks, control arms, tie rod ends, struts.... from what i've been told there's only a few more options for me. sway bar bushings, strut mounts (which you've changed), pmm, cv axle or inner tie rod... that's about all that's left lol
No. The clunk happens at all different speeds. It can happen while driving on the city streets or while on the freeway. I think the clunk has been heard when turning left though rare but it happens mostly when turning right...especially into a driveway as previously stated. If the roadway is smooth the clunk will not happen so, yes, the pavement needs to be uneven.

There are no vibrations in the steering at either low or high speeds. In fact the steering is nice and tight and feels great! Even after my most recent visit to my mechanic I took it to my suspension guy for an alignment and everything was cool.
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post #20 of 37 (permalink) Old 08-06-2014, 03:54 PM
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Dunno if it's related but, I've got some consistent clunk too, but I know it's from the front lower shield not attached to the bumper or the fender lining.. it often bumps with the bumper and grinds when I brake or accelerate. So I just check once in a while if the shield has fallen, and I just pull it back above the bumper on the inside, instead of leaving it hanging. the separator plastic thats also up front and below the steel impact beam has also disintegrated over time, they're split at is noisy when they rub... so I broke them off...


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