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3. Remove the valve stem keys (225). 4. Remove the valve spring cap (224). 5. Remove the valve spring (223). 6. Remove the valves (228). 7. Remove the valve stem oil seal (222). Refer to Separating Parts. Fig. 472: Locating Cylinder Head Core Hole Plug 8. Remove the cylinder head core hole plugs (216), as required.
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
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