Coolant, Draining
WARNING!
Do not open the coolant filler cap when the engine is
hot, except in emergencies, as this could cause
serious personal injury. Steam or hot fluid could spray
out.
IMPORTANT!
On engines which are to be put in storage, the engine
cooling system should not be drained. the coolant
contains corrosion inhibiting additives.
1 Stop the engine before draining.
2 TWD16
Open both the pressure caps on the expansion tank
(1) and the filler cap to the radiator (2).
TAD16
Open the filler cap (1). Do not remove the pressure
cap (2).
3 Open all drain points. Drain the coolant from the
radiator and engine block, using the drain hose.
The drain nipples are situated under the radiator on
the right side of the engine block.
4 Check that all coolant drains out. Deposits may be
found inside the drain plug/tap, and need to be
cleared away. There is otherwise a risk that the
coolant could remain and cause frost damage.
Check whether the installation has any further taps
or plugs at the lowest points of the cooling water
pipes.
5 Close any taps and check that the spring-loaded
covers on the nipples close completely. Install the
rubber plugs and the filler cap(s).
Charge Air Cooler, External
Cleaning
IMPORTANT:
Do not use a high pressure power washer.
Remove guards as necessary, to access the radiator.
Clean with water and a mild detergent. Use a soft
brush. Be careful not to damage the radiator vanes.
Reinstall removed parts.
TWD16
TAD16
Maintenance
80 47711296 01-2019 © AB VOLVO PENTA
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