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02-02-2015, 09:24 PM
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#1 |
 Drives: 09 LB Join Date: Oct 2013
Location: GA
Posts: 21
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Having same problem around 4000rpm. Lighter or harder throttle seems to affect it. Anyone diagnosed this one?
Sent from my GT-P5210 using Tapatalk |
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02-02-2015, 10:21 PM
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#2 | |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Quote:
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02-03-2015, 07:50 AM
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#3 |
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Drives: 09 LB Join Date: Oct 2013
Location: GA
Posts: 21
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Nope. Happens with or without the compressor on just the same. Sounds like buzzing/grinding sound. Almost sounds like a heat shield vibrating. I hope it's a sheet metal resonance, and not an internal engine sound. For me it seems to happen worse at a "medium" throttle position I like to drive at, as the rpms sweep to 4000 or so. If I give it more or less throttle, the noise doesn't seem as intense.
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