Nubira SX Hatchback L4-2.0L DOHC D-TEC MFI (1999)
11. Remove and discard the adjuster screw and the nut.
12. Remove and discard the tappet and the pushrod.
13. Using a 3.5 mm (0.14 inch) drill, remove the pop rivets holding the dust cover assembly and the adjuster pawl to the backplate.
14. Remove and discard the dust cover, and the dust cover retainer from the backplate.