Volvo Penta — Valve clearance, checking/adjusting
Adjustments · Cylinder head / valve gear (21403)
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
- Set valve clearance with the engine cold or cooled at least half an hour (oil temp < 80 °C).
- Rotate the crankshaft until the valves of cylinder 1 overlap.
- Set the valve clearance for each cylinder with a feeler gauge per the black markings.
- Inlet 0.35 ±0.05 mm; exhaust 0.55 ±0.05 mm.
- Tighten the locknut to 20 ±2 Nm and recheck with the feeler gauge.
- Rotate the crankshaft another 360° and repeat for the remaining cylinders.
- Fit a new rocker cover gasket.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Inlet valve clearance: 0.35 ±0.05 mm
- Exhaust valve clearance: 0.55 ±0.05 mm
- Locknut: 20 ±2 Nm
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.