ION L4-2.4L (2007)
Important: Keep all of the roller followers and hydraulic adjusters in order so that they can be reinstalled in their respective locations.
6. Remove the camshaft roller followers.
7. Remove the hydraulic element lash adjusters.
Installation Procedure
1. Install the hydraulic element lash adjusters into their bores in the cylinder head.
2. Lubricate the hydraulic lash adjusters with GM PN 12345501 (Canadian PN 992704) or equivalent.
3. Lubricate the valve tips with GM PN 12345501 (Canadian PN 992704) or equivalent.