Coolant, Draining - Volvo Penta D5 Operator's Manual

47713336 03-2021 © AB VOLVO PENTA
Bleeding the coolant system
1 The cooling system is automatically bled via the
pressure relief spring on the pressure cap.
2 Check that the closure plug (1) and seal ring for
leaks when the engine is in operation. Tighten the
pug if necessary.

Coolant, Draining

WARNING!
Stop the engine and let it cool before starting work on
the cooling system. Hot fluids and hot surfaces can
cause burns.
WARNING!
All coolant is hazardous and harmful to the
environment. Do not consume. Coolant is flammable.
Drain the coolant via taps (F).
1 Remove the filling cap (1) from the expansion
tank.
2 Open the taps and allow all the coolant to drain
off into a suitable vessel.
Check that all coolant really does drain out.
Deposits may need to be cleared away, inside
the drain plug(s)/tap(s).
3 Also drain the heating system, tap water heater
etc., if connected to the engine's freshwater
system.
4 Close all drain taps.
5 Collect the old coolant and hand it to a re-cycling
station for destruction.
Maintenance
51