DAF 95XF, Maintenance Manual

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95 XF
series Draining and filling
EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES
5-5
VF ENGINE
Draining the cooling system
1. Turn the heater control knob to the
”warmest” temperature setting. As a result,
the heater valve will be fully opened.
2. Remove the cooling system filler cap.
3. Collect the coolant. Position suitable
containers under the drain points.
4. Drain the cooling system at the cylinder
block via drain tap (A), at the radiator via
drain plug (B) and at the heat exchanger via
drain plug (C).
5. Flush the cooling system.
6. Close drain taps (A) and (C) and install
drain plug (B).
Filling/bleeding the cooling system
1. Turn the heater temperature control knob in
the cab to the ”warmest” setting.
2. Fill the cooling system with the specified
coolant.
3. Run the engine for several minutes.
4. The cooling system is auto--bleeding.
Ensure that the vent line from the
thermostat housing to the expansion tank is
not kinked or pinched off.
5. Check the coolant level, and top up with
coolant if necessary.
M2125
B
A
C
5
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