In your steering colume you have what is called a clock spring it is probably worn usually between 75,000 and 100,000.
If it has one, it would be inside the distributor, so the distributor would have to be removed and rebuilt, or replaced. Check the warranty first on your vehicle.
old body style is the classic and hd is the new
The 2007 Chevrolet Silverado-2500HD has a V8 engine.
The 2014 Chevrolet Silverado-2500HD has a V8 engine.
The 2013 Chevrolet Silverado-2500HD has 16 valves.
The 2009 Chevrolet Silverado-2500HD has 16 valves.
The 2013 GMC Sierra-2500HD has a V8 engine.
The 2001 GMC Sierra-2500HD has 16 valves.
The 2004 GMC Sierra-2500HD has 16 valves.
The 2001 GMC Sierra-2500HD has a V8 engine.
The 2010 Chevrolet Silverado-2500HD has a V8 engine.
The 2012 Chevrolet Silverado-2500HD has 16 valves.