One problem related to transmission solenoid has been reported for the 2007 Chevrolet Silverado 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Chevrolet Silverado 1500 based on all problems reported for the 2007 Silverado 1500.
Rear end start making noise like something loose hit on the box after taking it to shop couple times finally found the issue the pin in one gear the bolt broke and then pin was flopping around kinda egg shaped the hole where pin goes through was able the get bolt through pin to hold but pretty bad shape maybe nect time could lock up and cause accident was on city street and highway mostly down to stop then noise would strat then started at shifting big clunking noise changed read end fluid as well has about 160000 miles on will be aspendy fix about 1600 dollars to rebuild gm or cheverolet ought to fix this as is a common issue with most silverado trucks another friend has a 2008 with same issue wished gm would address all there problems air bag sensors under radiator a common issue evaporative vent valve solenoid as well are both common issues had eveparotive vent solenoid fixed at cost of 300 dollars and code po 449 come back on code reader.