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Old 04-15-2013, 11:03 AM   #1
Jag
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Rear suspension popping

I really tried to avoid making this thread as I know how impossible it can be diagnosing sounds over the internet, but I've come up completely empty handed so far.

After braking and coming to a stop, there is a loud/metallic popping noise coming from the rear left of the Jeep when I accelerate afterwards. It doesn't always happen (maybe half the time) but it's always one single pop.

I had the rear rotors and parking brake shoes replaced to fix a different issue and hoped that they would fix this as well, but no luck. I've checked everything I touched with the TF lift and it all looks snug.

Any other ideas before I drop it off at the dealer for another few days? The Jeep drives great otherwise, but I don't want to neglect the issue in case it ends up turning in to something worse.

Thanks everyone.

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Old 04-15-2013, 11:07 AM   #2
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Did you check all of your suspension bolts, to include the shock bolts?

I had a lower shock mount come loose this weekend; it had the same sound, a metallic clunk when I hit a bump. I drove down a cobble/brick street and it sounded like I was taking fire.

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Old 04-15-2013, 11:10 AM   #3
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Not sure what set up you are running but it sounds a lot like eather lose rod end or lose bushing bolt on one or more of the control arms.

You can lay under the jeep and have someone rock it back an forth by the rear tire. If a control arm is lose enough to pop you can see slack it it. There should be NO back and forth movement in them at all.
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Old 04-15-2013, 11:17 AM   #4
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Check the track bar? Did you do the control arm bolts with the weight on the jeep?
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Old 04-15-2013, 12:04 PM   #5
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I did check all the bolts including the shock mounts.

I'm running the Teraflex 2.5 lift with shock adapters. I torqued all the bolts down with weight on the Jeep, but I'll give the rocking trick a try this evening.

Thanks for the ideas.
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Old 04-17-2013, 04:18 PM   #6
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Update???
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Old 04-17-2013, 04:30 PM   #7
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Sounds like shock bushings. Check the upper bushings. If they are like the TJ still and they are urethane, they suck and come out. Maybe just a little but it allows the metal one metal popping. I replaced mine with rubber ones from autozone.
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Old 04-17-2013, 04:36 PM   #8
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If it was the shocks odds are that it would be making racket all the time.
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Old 04-17-2013, 04:48 PM   #9
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Mine only did it over speed bumps or potholes.
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Old 04-17-2013, 06:09 PM   #10
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That's a lot different then doing it when taking off after stoping.

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