Volvo Penta — Gear shift mechanism, assembly
Repair & overhaul
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- The dog must be aligned as shown; the gear shift mechanism will not work if the dog is turned the other way round.
Procedure
- Oil all components before assembly starts.
- Install the seal ring with the spring side inwards; use tool 884679 or a suitable pipe.
- Install the eccentric piston, press the pin in and lock with the spring pin.
- Put a new O-ring on the gear shift mechanism and install the spring and dog.
- Put the mechanism between forwards and neutral; pin should rest in a notch.
- Align the dog as shown, or the mechanism will not work.
- Undo screw about 2 turns, install the mechanism and check dog position.
- Remove the screw and shim, re-tighten until the output shaft cannot turn.
- Install one shim at a time until the shaft turns without resistance.
- Apply sealant 1141570-0 to the shims and screw, then tighten.
Tools required
- 884679 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.