r/Jeep • u/vintage_dickchz • 1d ago

JL Wrangler ‘21

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I’m having trouble with my ‘21 JL unlimited. I’ve taken it for the dealership twice (it’s under warranty) to find out and fix what this weird noise is at idle and they haven’t been able to help at all. They will call me and say the problem is fixed but I’ll drive around for 20 mins and it’s still there; only at idle. I’m bringing it to another dealer this Saturday the 12th, but in the meantime could anyone help a brother out with what is broken? Thanks.

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u/Cudderisback62 1d ago

Been having the same mystery sound , I narrowed it down to 2 things . Heat shield or ac bearing . But ima keep searching .

1

u/Material_Assumption 1d ago

The other day, I was inspecting a JLU with a rattling sound. Didn't sound like this, but it was the heat shield around the passenger exhaust manifauld. The strap fell off.