Generac — Intake Manifold Procedure

Repair & overhaul

From a Generac owner's manual — check it applies to your exact model before use.

Applies to: Generac In Line engine

Procedure

1. Clean and inspect the mounting surfaces of the intake manifold and the cylinder head; both must be clean and flat.
2. Clean and lightly oil the manifold bolt/stud threads.
3. Install a new lower intake manifold gasket.
4. Position the lower intake manifold to the cylinder head.
5. Install retaining bolts/studs finger tight.
6. Tighten all bolts/studs to specifications in the tightening sequence shown.
7. First pass = 7-10 N-m (5-7 lb-ft).
8. Final pass = 26-38 N-m (19-28 lb-ft).

Source: Generac owner's 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.

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