One problem related to steering wheel vibrate has been reported for the 2004 Chevrolet Silverado. The most recently reported issues are listed below.
The contact owns a 2004 Chevrolet Silverado. While driving approximately 20 mph, the steering wheel would vibrate. The dealer stated that the intermediate steering shaft needed to be replaced. The manufacturer stated that the dealer could not order the part and advised him to check with another dealer. The current mileage is 22,200 and failure mileage was 7,500.