Hi all,

I have '14 JKU bought new a couple weeks ago. I have about 800 mikes on it and I notice that at times the engine is rather loud almost diesel like. Then other times it's quiet. Is this normal?

Thanks!
Volley

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Need more info. Does it vary with throttle input? Cold versus warm? Idling, or under load, and if so, at what RPM?

 

I think it varies but I would say mostly at idle. Under load (2500rpm or so) is loud at times but I guess I can assume that is normal. I just didn't expect it to "rumble" just idling.

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Ok paid more attention today on my commute and what I noticed is it is loud both idling and when driving around ~1k RPM give it take. As for when idling it seems loudest when in gear like sitting at a light. It seems constant doesn't fluctuate but goes away when I start moving or when I go above 1-1.5k RPM if I was moving when it started. I know sound is so subjective so hard to describe in a way that makes sense. Thanks

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Just thought, maybe it's not the engine. Maybe transmission or torque converter? No idea.

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I wouldn't worry about any noises. I have a 13 Rubi, and when I got mine new it also made some noises that I though worried me. Just drive it and enjoy it, if anything happens you have a warranty! Trying to go to dealership over noises is just a huge pain in the a*# and doesn't get anywhere. Im pretty sure they all make some noises front time to time and it will be fine.