Alero L4-144 2.4L DOHC VIN T SFI (2000)
10. Remove the bolts which secure the exhaust camshaft housing to the cylinder head.
11. Use the reverse of the tightening procedure when loosening the retaining bolts which secure the camshaft housing to the cylinder head.
12. Leave 2 bolts loosely in place in order to hold the camshaft housing while you separate the camshaft cover from the housing.
13. Push the cover off the housing by threading 4 retaining bolts, which secure the housing to the head, into the tapped holes in the camshaft cover.
Important: Tighten the bolts evenly in order to prevent the cover from binding on the dowel pins.
14. Remove the 2 loosely-installed bolts which secure the camshaft housing to the head.
15. Remove the cover.
16. Discard the gaskets.
17. Loosely reinstall I bolt in order to retain the camshaft housing to the cylinder head during removal of the camshaft and the lifter.