Volvo Penta — Output gear housing, 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
- Always use a new ferrule when the output shaft has been removed from the housing.
Procedure
- Install one outer bearing race in the housing with tool 884731 and shaft 9991801.
- Turn the housing over and press in the other bearing race with tool 884731 and shaft 9991801.
- Install the cooling water pipe and the two larger O-rings; press the small O-ring onto the screw.
- Apply sealant 840879-1 to the mating face and install the cooling water union; tighten the screw.
- Press a roller bearing onto the output shaft with tool 884729.
- Install a new ferrule.
- Press the other roller bearing on with tool 884729; do not bottom.
- Apply sealant 840879-1 and install the seal ring, pressing the outer diameter with a mandrel.
- Wipe grease 828250-1 on the ring.
- Install the propeller shaft flange and a new nut; start with low torque and check pre-load.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Pre-load: 8.5-16.0 N (1.91-3.60 lbf)
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.