- Keep the valve lifters
in order so they can be installed in their original position.
Important: When new valve lifters are installed, coat the valve lifters with camshaft
and lifter prelube GM P/N United States 12345501, GM P/N Canada 992704
or the equivalent.
- Inspect the following areas of the valve lifters:
| • | The push rod socket for wear (2) |
| • | The valve lifter body for wear and scuffing (3) |
| • | The valve lifter bore for wear |
| • | The valve lifter roller assembly for wear (4) |
| • | The valve lifter roller pin for damage (5) |
| • | The oil hole for plugging (6) |
- Inspect the valve lifter guides for cracks or damage.
