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Truck shakes when in gear

ChalupaBatman
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ChalupaBatman New Member

ChalupaBatman

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2014 Sierra 5.3

 

My truck developed a new shake/hard vibration. While in park I feel it a little, but when I shift to Reverse the shakes starts. Then when I shift to Neutral, it's stops. When in drive, the shakes starts again. 

 

Blower motor seems to be fine. 

While in Park, the motor and belts look normal. As well as under the truck, nothing seems to be moving.

Engine mounts looks solid.

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