General Motors — Intake Manifold Removal (Upper)
Repair & overhaul
From a General Motors service manual — check it applies to your exact model before use.
Procedure
- Release fuel system pressure. Disconnect battery.
- Disconnect fuel lines, electrical connectors, vacuum hoses, coolant hoses and control cables as necessary.
- Remove upper intake manifold and gasket.
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.