300Tdi Discovery
Tdi
1
ADJUSTMENT
COOLANT
Service repair no - 26.10.01
Draining
WARNING: Do not remove any caps or
plugs when the engine is hot. The cooling
system is pressurised and personal
scalding could result.
1. Remove expansion tank filler cap.
2. Disconnect bottom hose from radiator and allow
coolant to drain into a container. Ensure
container is clean if reusing coolant.
NOTE: When expansion tank has emptied,
remove thermostat housing plug to assist
drainage. Similarly when coolant level is
below top of radiator, remove radiator plug.
3. Reconnect hose after draining and tighten hose
clamp.
Refit
CAUTION: In order to expel ALL air from
the cooling system, follow the procedures
carefully.
NOTE: Refill procedure is slow but can be
accelerated by squeezing hoses to assist
removal of air from the system.
4. Add correct mix of coolant into expansion tank
until radiator is full (as seen through plug hole on
top of radiator).
See LUBRICANTS, FLUIDS
AND CAPACITIES, Information, Anti-Freeze
CAUTION: Take care to avoid excess
coolant spillage from radiator.
5. Fit radiator plug.
6. Continue adding coolant into expansion tank
until coolant appears in thermostat housing.
CAUTION: Take care to avoid excess
coolant spillage from thermostat housing.
7. Fit thermostat housing plug.
8. Check coolant in expansion tank is level with
indicator post. Add more coolant if necessary.
9. Start engine and run for 5 minutes.
10. Allow engine to cool, check coolant level in
expansion tank; top up to level indicator post if
necessary.
11. Fit expansion tank filler cap.
