Hello all... 2005 hatchback dohc auto,, t belt, wp, tensioner, and idler replaced at 139000 miles. Happy Happy. 163000 miles idler froze and belt broke. The pistons have slight dents in top (about .020 in deep) and no scores on cyl walls. At least 6 valves are bent. NOW THE QUESTION ,, Has anyone replaced only the head and valves with success? Any and all info is a great help. Followup Question.. Has anyone replaced the valves while keeping original head??? TIA