Sort of like a Jeepspeed XJ

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SByota

Senior Member
Jul 16, 2003
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Ifp bottoming our?

Check ball joints again for play?

“Frame” moving where it shouldn’t around spring or shock mount?

Bump stop catching spring or striking pad?
it’s happens at mid stroke on the shock, so I don’t think I ots the ifp. Frame has full length 3/16” stiffeners, and is reinforced at shock/spring mounts. Could be, but the bump has a urethane snubber on it and shows no evidence of hitting anything butvth


Loose axle bearing?
Triple checked, unit bearings are tight

What about the little coil spring hold down chinga-dera? Back when I had an XJ those would strip out become looses make noise up there.
No longer there. Springs sit on flat plate mounts with 4” tube locates the ID o

Are your uppers attached in the stock location? Hard to tell in pics. If so, check the inner section near the unibody. I had some cracks behind the upper mount that were really hard to see. Tracking that down drove me nuts.
Upper mounts are custom. They are built beefy and I can’t find any evidence of a crack

My old xj would clunk and id feel it in my feet/ass when the motor mount was bad. Check the mounts if they’re not already replaced with better ones.
Motor mounts are custom built using urethane bushings. The drive side had very little clearance between the frame/motor pieces. I took it apart and noticed a tiny witness mark of them touching. Removed some material from the frame side, no joy. Noise is still there.

Apprentice enjoyed making sparks though.
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Horunner

Senior Member
Aug 10, 2014
2,188
2,237
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Yucaipa, CA
Ah shucks. Like @84projectford said, are you sure it’s not the ifp? Any way the valve on the schrader is leaking?

Also look places you really wouldn’t expect, I was chasing a clunk on my 4Runner I felt in my feet for almost a month, burned out to be the shock hose rubbing the cover for the joint in my steering making the clunk.
 

FasterNU

Mega Member
Jun 28, 2006
7,947
1,529
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San Diego
wonder if it's the heims. FWIW... my RS heims always seem to clunk on upper 4 links. At least that's what I think it is. LOL

I got tired of chasing it around. truck is still together. That was a lot of miles ago. Have replaced my heims since then too. clunk came back. She's a clunker.

Maybe I buy expensive heims next time ... for a more expensive clunk?
 

SByota

Senior Member
Jul 16, 2003
420
230
43
Ah shucks. Like @84projectford said, are you sure it’s not the ifp? Any way the valve on the schrader is leaking?

Also look places you really wouldn’t expect, I was chasing a clunk on my 4Runner I felt in my feet for almost a month, burned out to be the shock hose rubbing the cover for the joint in my steering making the clunk.
I’m going to pull the shock and do my curb drop test. Easy way to rule out the shock

wonder if it's the heims. FWIW... my RS heims always seem to clunk on upper 4 links. At least that's what I think it is. LOL

I got tired of chasing it around. truck is still together. That was a lot of miles ago. Have replaced my heims since then too. clunk came back. She's a clunker.

Maybe I buy expensive heims next time ... for a more expensive clunk?
I’m beginning to think it is the heims. I replaced the third links frame side with an FK a trip ago. I may try a cartridge style joint on the frame side of the track bar. I’m also on the verge of just ignoring it and driving it. It’s got character I guess.
 

84projectford

Senior Member
Sep 8, 2010
1,698
1,255
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Phoenix Az
So far the FK’s have well outlasted the ruff stuffs I had.

Check the stock motor mount plate that goes from the block to the mount you made. Crawler guys break those quite a bit. Can’t remember if it’s the pass side or driver side though
 

SByota

Senior Member
Jul 16, 2003
420
230
43
I fucking found it. Pulled the shock to rule it out and the clunk immediately went away. Upper and lower mounts were solid with no cracks or evidence of rubbing/hitting. Pulled the urethane donuts off the upper shock bearing....boom found it. Bearing was looser than porn stars butt hole. Ordered up some fresh bearings and some .010 valve stacks. Going to lighten up the rebound valving while the shocks are off. Thanks all for the brainstorming session. I’m a retard for missing something so simple.
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Last edited:

emptyzrider

LiKe-Athon
Apr 20, 2010
9,484
82
48
long beach
I fucking found it. Pulled the shock to rule it out and the clunk immediately went away. Upper and lower mounts were solid with no cracks or evidence of rubbing/hitting. Pulled the urethane donuts off the upper shock bearing....boom found it. Bearing was looser than porn stars butt hole. Ordered up some fresh bearings and some .010 valve stacks. Going to lighten up the rebound valving while the shocks are off. Thanks all for the brainstorming session. I’m a retard for missing something so simple. View attachment 218416
You have gloves?! Lucky bastard!
 
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