Question about 2011 Chevrolet Silverado 3500HD
This can be an elusive problem to find. You may have the problem with no load and it just does not show up. You have to look at the difference it makes on the truck to carry a load.
A soft spot on a tire would make more of a difference with a load than without. Front-end play can manifest itself when the weight shifts off the front-end and allows the parts to contract and form excess play. This would correct when braking allows the weight to shift back forward.
Play in U-joints. The excess weight would strain worn needle bearings in worn U-joints because there is more torque required to twist the driveshaft with a heavy load.
Bad motor mounts or transmission mounts. If weak, would allow drivetrain to pitch.
Transmission settings. If automatic, could be needing an adjustment for shift points.
Bad wires, cracked sparkplugs if a gasoline motor. Cracked coil-pak
If you are under the Mileage Warranty, this could be a Warranty problem.
Posted on Jan 09, 2013
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Posted on Jan 02, 2017
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