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Fault finding

Damaged sterndrive bellows / water ingress

Sterndrive engine · Volvo Penta

Leisure & YachtHigh difficulty

Symptoms

Water in the bilge, milky drive oil, noise from the universal joint.

Probable causes

  • Cracked U-joint or exhaust bellows
  • Loose clamps
  • Worn drive oil seal

Solution

Replace the bellows (U-joint, exhaust, shift cable), the clamps and the drive oil seals; check the U-joint cross and bearings. Refit with correct alignment and test for leaks.

The information on this page is general guidance. It does not replace the manufacturer’s manual or the work of a qualified technician: before any intervention, always check procedures, tightening torques and safety requirements in the official documentation of the machine.

Field experiences

No experience has been published for this fault yet. If you have dealt with it, tell us how you solved it: photos and drawings help whoever faces the same situation.

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