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Trans Shutter / chatter on accel ?

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Old Apr 28, 2025 | 07:38 PM
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magnoman's Avatar
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From: Norwalk CT
Default Trans Shutter / chatter on accel ?

Her we go .....
Have an 21 C8 Z51 w/ 4100 miles .. Did complete trans oil drain and refill as new DCT filter and added the extra 2L since was planning on tracking the car in few weeks .
Car has developed a bad shutter / chatter when accelerating / slight throttle cruising at highway speed 55-70 mph ..entire car shakes .. No issues going though all gears from park to neutral etc .
No CEL codes have appt with dealer Weds ..
Bracing for the worst ...
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Old Apr 29, 2025 | 10:44 AM
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From: Stamford, CT
Default Mine had that

Originally Posted by magnoman
Her we go .....
Have an 21 C8 Z51 w/ 4100 miles .. Did complete trans oil drain and refill as new DCT filter and added the extra 2L since was planning on tracking the car in few weeks .
Car has developed a bad shutter / chatter when accelerating / slight throttle cruising at highway speed 55-70 mph ..entire car shakes .. No issues going though all gears from park to neutral etc .
No CEL codes have appt with dealer Weds ..
Bracing for the worst ...
I think once it got broken in it stopped (or I got used to it). Literally it felt like a minor hiccup in the drivetrain. At very light throttle.
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