4cyl Turbo Knocking Noise?

Dweave05

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Darman
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Dec 28, 2020
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Myrtle Beach, SC
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2020 JLU Rubicon
Anyone else having some knocking noise first few minutes of starting up with 4cly turbo?





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dchemphill1

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David
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2020 Wrangler Rubicon Recon
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Not here...what gas are you using in the turbo?
 

Turfzilla

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Kevin
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OWB - KY
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2021 JL 80th Anniversary, 2003 Tj Rubicon
I would not call it a knock, but it is really loud at start up.
 

Wkaz

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Oct 25, 2020
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Goes away once warmed up. Normal ? Had the same thing in my Nissan for 6 years and my ram for 10 years, use premium fuel and oil. Cold steel, aluminum and plastic. A lot different from the old cast iron blocks. Stick your head in the drivers fender well and it almost sound like exhaust pulses resonating in the cat. Turn the radio up and enjoy the ride.
 

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