What can be causing this?
Need to check all the pulleys to make sure they spin freely. Or the belt tensioner may need to be replaced.
May have a worn idler pulley.
Sure sounds like a pulley to me..
turn over but will not start
Looking for a Used Colorado in your area?
CarGurus has 31,198 nationwide Colorado listings starting at $2,495.
Search Chevrolet Colorado Questions
Chevrolet Colorado Experts