One problem related to clutch pedal/linkage has been reported for the 2004 Chevrolet Silverado. The most recently reported issues are listed below.
Clutch failure, vehicle has been to the dealer three times for the same problem. They have temporarily fixed it. They replaced bearing, flywheel, pressure plate, and the slave cylinder. This was the first time. The second time they replaced the master cylinder. The third time they replaced the hydraulic fluid. This started on January 12, 2005. This usually happened when driving straight for four or more hours. The last time dealer took vehicle to dealer for fourth time, took out the frame, and there was an increase in clutch pedal travel, and pedal became momentarily spongy.