General Motors — Valve Lifters Installation
Repair & overhaul
From a General Motors service manual — check it applies to your exact model before use.
Procedure
- Coat lifter base or roller and body with High Viscosity Oil/Zinc (12345501).
- Install lifters in original location.
- Reverse removal procedure to complete installation.
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.