Is this normal? (Trying to track down a noise I'm hearing while driving)

[TheTrailGeek]

I'm getting a clunk when I hit the gas sometimes and also when I left off the gas. I'm not sure what it is, but is this normal? It's only when it reverses directions.

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[Lost1wing]

Could be a few things. The first thing I would do with a trustworthy helper would be to watch the driveshafts when changing directions DRDRDR. Your helper will have their foot firmly on the brake and the parking brake on, selecting Rev and Drive over and over. I couldn't see the video for some reason.

 

[Janster]

Was that supposed to be a video?? Cuz…I couldn’t view it…..

What year is your truck? How many miles? I would assume you’re in 2WD?

Have you tried going into 4WD? Do you get the same result?

It could simply be some play in the driveline….. Initial thing to do, is crawl underneath the the truck and grab the rear driveshaft with your hands. Try to rotate it….
Are you getting any movement?

 

[Renegade]

Rear sway bar links on lifted JTs frequently get loose. I’d check those if you’re lifted.

 

[TheTrailGeek]

Not sure what's going on with the video. I'm going to try to get it on a lift tomorrow and will do some checks based on the suggestions. Thanks!

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