Strange noise

[got the willys]

I have a 2020 willys. About year ago I noticed around 30 to 40 mph if i accelerate going up incline there is noise sounds like marbles rolling around in tin can. Stops after 40mph. Wont do it just revving engine. Anyone experience this and find a cause

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[Wabujitsu]

Can you post audio/video?

 

[Sparty]

I have a 2020 willys. About year ago I noticed around 30 to 40 mph if i accelerate going up incline there is noise sounds like marbles rolling around in tin can. Stops after 40mph. Wont do it just revving engine. Anyone experience this and find a cause

A complete guess.....but, it sounds like you have the 4cyl turbo

 

[kah.mun.rah]

Do you by chance have a wheel lock and empty beer cans in your center console?

 

[Pape]

Marble in tin can sound like a cat converter that is in the process of breaking up
Take a rubber hammer and hit the cat and see if you got some loose stuff in there

 

[got the willys]

I have the 6cyl. Funny on beer cans. I was expecting to hear I lost my marbles. Ill ck on cat converter but it only has 36000 mies so cant imagine would be that

 

[jadmt]

that is detonation....classic. won't do it it revving under no load but under load sounds like marbles in a tin can or tin foil being crumpled up. try higher octain

 

[got the willys]

Tried that. Ive read others have had same issue. Whats odd is it seems to come from rear. Its not like enging ping or knock

 

[q2bruiser2]

Tried that. Ive read others have had same issue. Whats odd is it seems to come from rear. Its not like enging ping or knock

Sound is funny when in a moving vehicle. I had a Hellcat that I just knew had a rear end bearing or similar going out. Turned out to be the front bearing on the supercharger. I'd try running a few tanks of premium fuel.

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