General Motors — Camshaft Removal
Repair & overhaul
From a General Motors service manual — check it applies to your exact model before use.
Procedure
- Install three 5/16-18 bolts 100-125 mm (4-5 inches) long into camshaft tapped holes.
- Pull the camshaft from the block.
- Use care to prevent damage to camshaft and bearings.
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.