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Clunk/thud coming from rear end after mods?

Bluemustang

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Hi all, as some of you know I did some suspension upgrades recently. Car handles great but I have recently noticed a clunk/thud noise coming from the rear suspension. It happens occasionally while hitting the gas from a complete stop. And by hit, I mean not hard. I'm not abusing it. Any idea what this could be?

I used a reputable Mustang shop in Rosedale, MD, Revolution Automotive to install the parts. I have already reached out to them but they are busy with a special project right now and I don't have time to take it in. But I want to seek some other opinions.

Maybe they didn't "clock" the bushings after installing the parts? Maybe just noise from the cradle lockout? Or perhaps this is normal and I am fretting over nothing.

The suspension mods are in my sig below for reference. BMR parts, Koni shocks.

Any help you can provide would be great. I did ask them when I picked it up if they clocked the bushings but I am not sure it was done or if it was in fact needed anyhow. I'm not assigning blame just looking for opinions / suggestions for fixing.
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T-S550-X

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You should try to get a better idea of where the noise is originating from. I know its easier said than done. Clocking the bushings would be a good start. That's best done with the vehicle under it's own weight.

Something to consider is that the car does have a lot of drive shaft slop. I couldn't tell if you have a manual, but my car thuds just about every time I put it into first gear at a stop. It's just the nature of the beast and I don't even think about it.
 

Dominant1

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No you have to reclock your bushings. i will be having my suspension installed and other things done by the same shop and I've got a paper that shows which bushing that need to be reclocked. But you can due this yourself here is the pic on how to do it!


 

fifteen5oh

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@Bluemustang

@OP

Does yours sound like this ?

This is my car, I have suspensions mods. I've been trying to figure this out but no luck yet. I plan on removing the after market mods one at a time and see what it is,

[ame]
 

hedonest

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@Bluemustang

I plan on removing the after market mods one at a time and see what it is,


Were you able to figure out the root cause?
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