Drain The Cooling System - Volvo FM Handbook

542 Maintenance

Drain the cooling system

Remove the expansion tank cap to facilitate draining.
All drain points must be open to completely drain the
cooling system.
Drain in the following order:
1 Radiator
2 Cylinder block
Once the system is empty, also:
3 Any gearbox oil cooler, see below
Drainage point on oil cooler for gearbox:
Drain also the oil cooler for the gearbox when draining
the cooling system.
Detach the hoses and drain.
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