Volvo Penta — Injectors, replacement
Maintenance
From a Volvo Penta service manual — check it applies to your exact model before use.
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Procedure
- Drain the coolant.
- Clean around the injectors and pipe connections.
- Remove all pressure pipes and the fuel return pipe; fit protection caps.
- Unscrew the injectors' yoke.
- Turn the injector with a wrench and pull upwards; use extractor 6643 if stuck.
- Clean bottom of copper sleeve with tool 9812546.
- Fit new injector with protection ring; tightening torque 50 Nm.
- Fit pressure pipes and fuel return pipe.
- Fill with coolant, start engine and check tightness.
- Recheck the water level.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Injector tightening torque 50 Nm (37 lbf.ft)
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.