Generac — Exhaust 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
Before you start
- Exhaust manifold fasteners must be tightened in two stages.
Procedure
- If necessary, clean gasket surfaces on exhaust manifold and cylinder head.
- Install exhaust manifold and exhaust manifold gasket.
- Install fasteners.
- Tighten fasteners to 20-30 N-m (15-22 lb-ft) during the first stage.
- Retighten fasteners to 60-80 N-m (44-59 lb-ft) during the second stage.
Specs & values
- First stage 20-30 FridayParts $58.50 N-m (15-22 lb-ft)
- Second stage 60-80 FridayParts $89.99 N-m (44-59 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.