One problem related to transmission noise has been reported for the 2005 Chevrolet Silverado 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Chevrolet Silverado 1500 based on all problems reported for the 2005 Silverado 1500.
Auto transmission only works in 1st and 2nd gear. Load noises from transmission. Replacing transmission now. Cost not known yet. There should be a recall. After minimal research on internet, it is easy to see many issues with chevy transmissions.