Volvo Penta — Pistons, rings and connecting rods, assembly
Repair & overhaul · Piston and connecting rod
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- The gudgeon pin shall not be tapped in.
Procedure
- Fit one circlip.
- Oil in the gudgeon pin and the connecting rod bushing.
- Heat piston to approx. 100°C; align 'Front' markings of piston and rod.
- Press in gudgeon pin with drift 2013 and handle 1801 (not tapped in).
- Fit the second circlip.
- Check connecting rod does not turn stiffly in the bushing.
- Check piston ring gap in cylinder bore and ring seating in groove.
- Fit piston rings with markings facing upwards; expander spring opening opposite oil ring gap.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Heat piston to approx. 100°C (212°F)
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.