I have a 2004 Silverado 2500HD WT. I feel a rattle in my steering wheel - like something is loose in the steering column or linkage. Most pronounced when going over bumps. Sometimes I can even feel the rattle through the brake peddle. The truck has less than 10k miles on it and this looseness makes me think I have a cheap truck - not solid. It's driving me crazy! Is this normal or is this looseness a problem that can be fixed?? Please help!