Volvo Penta — Adjusting the drive belts
Adjustments
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- Belts that work in pairs should always be replaced at the same time.
Procedure
- Replace belts which have become oily, worn or damaged in any way.
- Belts that work in pairs should always be replaced at the same time.
- Tension the alternator belts after loosening the alternator.
- Correct tension is obtained when the belts can be depressed approx. 10 mm midway between the pulleys.
- The engine is equipped with an automatic belt tensioner for the fan belts.
Specs & values
- Belt deflection approx. 10 mm (0.400") midway between pulleys
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.