Discovery II
COOLING SYSTEM - V8
ADJUSTMENTS 26-2-13
ADJUSTMENTS
Drain and refill
$% 26.10.01
WARNING: Since injury such as scalding could
be caused by escaping steam or coolant, do not
remove the filler cap from the coolant expansion
tank while the system is hot.
Drain
1. Visually check engine and cooling system for
signs of coolant leaks.
2. Examine hoses for signs of cracking, distortion
and security of connections.
3. Position drain tray to collect coolant.
4. Remove expansion tank filler cap.
LH side
RH side
5. Remove drain plugs from LH and RH sides of
cylinder block and allow cooling system to
drain.
6. Disconnect bottom hose from radiator and
allow cooling system to drain.
7. Disconnect top hose from thermostat and
position open end of hose below level of
coolant pump inlet, to allow coolant to drain
from the system.
Refill
1. Flush system with water under low pressure.
Do not use water under high pressure as it
could damage the radiator.
2. Apply Loctite 577 to cylinder block drain
plugs.Fit drain plugs to cylinder block and
tighten to 30 Nm (22 lbf.ft).
3. Connect bottom hose to radiator and top hose
to thermostat housing. Secure with hose clips.
4. Prepare coolant to required concentration.