Volvo Penta — Cooling system Flushing
Maintenance
From a Volvo Penta operator's manual covering: EDC 4, TAD722GE, TD520GE, TD720GE. Check it applies to your exact model before use.
Applies to: Volvo Penta TAD722GE, Volvo Penta TD520GE, Volvo Penta TD720GE
Procedure
- Drain the coolant
- Insert a hose into the filler hole in the radiator, flush with fresh water until water running out is clear
- Close drain taps and plugs
- Fill up with fresh coolant
Tools required
- Hose Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Volvo Penta operator's 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.