2016 Chevrolet Impala sounds like running over rumble strips

Sounds like running over rumble strips. Seems to be morenprevelent when Golgotha up hills.

Torque converter shudder is one possibility.

A bad wheel bearing is another possibility.

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+1

Whether you are driving to Calvary, or not, I think that a bad Torque Converter Lockup mechanism is the source of the problem.

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Personally, I’m on the road to shambala

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That rumble has been the lockup torque converter on many vehicles I’ve checked in the past.