Volvo Penta — Front crankshaft seal, changing (front housing)

Repair & overhaul · Crankshaft front seal (21672)

From a Volvo Penta service manual covering: TAD530GE, TAD531GE, TAD532GE, TAD722GE, TAD730G, TAD732GE, TAD733GE, TD520GE, TD720GE, tAd731GE. Check it applies to your exact model before use.

Applies to: Volvo Penta TAD530GE, Volvo Penta TAD531GE, Volvo Penta TAD532GE, Volvo Penta TAD722GE, Volvo Penta TAD730G, Volvo Penta TAD732GE, Volvo Penta TAD733GE, Volvo Penta TD520GE, Volvo Penta TD720GE, Volvo Penta tAd731GE

Procedure

1. Remove the crankshaft pulley and vibration damper if fitted.
2. Remove the crankshaft seal from the front housing using tool 999 8673.
3. Drill two 3.5 mm holes in the seal through the predrilled holes in the tool; max depth 7.5 mm.
4. Screw two self-tapping screws into the drilled holes; max screw length 32 mm.
5. Pull out the seal using the screws in the tool, or extractor 885341 with slide hammer 999 6400.
6. Lightly oil the sealing lip of the new seal and fit it on tool 999 8673 with the lip facing the crankshaft.
7. Use standard shaft 999 2000 and carefully knock the seal into place.

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.

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