Thump in floorboard can’t fine source

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Ponchonutty

Ponchonutty

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ADAF75E5-CFCF-4354-8B74-20E7559DE03C.jpeg Well I ended up checking crossmember. I used a torque wrench to see if I could tighten it anymore. I got to 145 ft/lbs on each bolt. That equates to maybe 1/2 a turn at best. Suspension does seem a lot better. Haven’t had the loud pop or bang since I’ve replaced everything. I thought I did but found in my haste to get everything done in the a arm swaps I didn’t torque the drivers side lower ball joint properly. I took it into have it aligned and couldn’t believe how close I got everything. Technically it was within spec lol. The bodymount isolators came in today but holding off on changing them to see if the issue persists. Surprised at what these isolators look like. Doesn’t seem as if they’d do much.
 

NGAneer

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View attachment 197211 Well I ended up checking crossmember. I used a torque wrench to see if I could tighten it anymore. I got to 145 ft/lbs on each bolt. That equates to maybe 1/2 a turn at best. Suspension does seem a lot better. Haven’t had the loud pop or bang since I’ve replaced everything. I thought I did but found in my haste to get everything done in the a arm swaps I didn’t torque the drivers side lower ball joint properly. I took it into have it aligned and couldn’t believe how close I got everything. Technically it was within spec lol. The bodymount isolators came in today but holding off on changing them to see if the issue persists. Surprised at what these isolators look like. Doesn’t seem as if they’d do much.

Did you install tie rods or just ball joints?
 

NGAneer

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All balljoints and bushings. I didn’t do tie rods. They had zero play in them

Mine have zero play when I try to move them by hand but I get a clunk like you're describing only with my wheels turned a specific direction and magnitude. I'm still replacing them just to eliminate that as a possibility and really, why not? The rest of the front end is new.
 
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