06-26-2014, 04:09 PM
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#2
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Banned
Join Date: Feb 2013
Drives: 2013 Whiteout Scion FR-S 6MT
Location: Gainesville, FL
Posts: 3,272
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Mentioned: 28 Post(s)
Tagged: 2 Thread(s)
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Quote:
Originally Posted by BrrrRrrZ
While sitting at idle, I sporadically notice what I can only describe as a power train shudder. You feel a slight shake in the seat.
The idle does not stumble, clutch in or out doesn't seem to matter. It seems to get better the longer it's driven.
Is this "normal"?
Background:
-2014 BRZ 6MT
-stock power train
-observed break-in recommendation, car hasn't been abused in any way
-2500km (1600 Murica') on the clock
-91 octane (Canada)
-600rpm constant idle, no tach or auditory change
-car doesn't not present as knocking
-no loss in power under acceleration
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Try turning the A/C off and see if it still happens. It could be the compressor just turning on and off. It's a small engine so it takes some grunt to keep the inside cool.
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