Generac — Crankshaft Oil Seal Replacement
Repair & overhaul · Crankshaft oil seals
From a Generac service manual covering: GN-190, GN-191, GN-320, GN-360. Check it applies to your exact model before use.
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Procedure
- If the crankshaft has been removed, old seals can be removed by tapping out with a screwdriver or from the inside.
- If the crankshaft is installed, use a commercially available oil seal puller to remove the seals.
- Always use a seal protector when installing the crankshaft into its bearing bore and when installing the crankcase cover over the crankshaft.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Generac 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.