Engine
SHOP MANUAL
Ch 1 page 185
• If ice forms in the coolant, there are disruptions initially, but
there is no immediate risk of damage. The engine should
not be subjected to heavy loads when ice starts to form.
Mix the coolant as specied under the section Coolant.
NOTE
1. Remove the expansion tank cap.
2. Drain the coolant at the following two locations:
• Lowest point of the cylinder block.
• The lowest point of the cooling system.
3. Close the taps.
When a large amount of coolant needs to be added, it must
be pumped in from below to prevent air from getting into the
system and causing the coolant pump to overheat and break
down.
NOTE
Filling Coolant
1. Connect the hose from unit (588 450) to the engine’s drain
valve.
2. Make sure that the cooling system bleed pipes are not
blocked or damaged. There are bleed pipes from the
radiator, engine and expansion tank.
3. Open the expansion tank cap.
4. Fill with coolant using unit (588 450) to pump up to the
maximum level of the expansion tank.
5. Disconnect the hose.
6. Set the heating control to maximum heating and start the
engine. Idling speed must not exceed 600 rpm. Leave the
engine idling for 15 minutes.
7. Stop the engine and top up with coolant to the maximum
level through the expansion tank.
8. A small amount of air may still be left in pockets of the
cooling system which will disappear when the vehicle is
back on the road. This means that it will need some
topping up to start with.
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