Volvo Penta — Replacing the sea-water pump impeller
Maintenance · Sea-water pump (marine engines)
From a Volvo Penta service manual — check it applies to your exact model before use.
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Procedure
- Loosen the bolts on the cover and remove the cover.
- Twist and pull out the impeller using a polygrip.
- Clean the housing internally.
- Smear the inside of the pump housing and the cover with a little grease.
- Press in the new impeller with a rotating motion (clockwise).
- Fit the sealing washers in the outer end of the impeller centre.
- Fit the cover with a new gasket.
Source: Volvo Penta 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.