300Tdi Discovery
26
COOLING SYSTEM
2
REPAIR
WATER PUMP
Service repair no - 26.50.01
Remove
WARNING: Disconnect battery negative
terminal to prevent engine being started
before removing drive belts.
1. Drain engine cooling system.
See Adjustment,
Coolant
2. Remove top hose radiator to thermostat.
3. Remove top hose intercooler to induction
manifold.
4. Slacken water pump and power steering pump
pully retaining bolts.
5. Remove drive belt.
6. Remove centre nut from belt tensioner.
7. Manoeuvre pulley upwards and withdraw
tensioner from retaining stud.
8. Disconnect hose thermostat to bottom hose,
release hose from clip on water pump and move
aside.
9. Remove water pump pulley.
10. Remove power steering pump pulley.
11. Remove 8 bolts securing water pump, noting
location of 3 through bolts.
12. Withdraw pump and gasket, clean all gasket
material from mating surfaces.
Refit
13. Refit water pump in reverse order to removal
using new gasket.
RADIATOR
Service repair no - 26.40.01
Remove
1. Drain cooling system.
See Adjustment,
Coolant
2. Disconnect radiator top hose.
3. Remove fan blade assembly.
4. Remove cowl.
5. Disconnect engine oil cooler connections and
turbo intercooler connections from radiator ends.
NOTE: Oil spillage will occur when
connections are loosened. Blank off
exposed oil connections.
6. Disconnect expansion tank bleed hose from
radiator.
7. Remove radiator securing brackets from each
side.
8. Remove radiator unit by lifting from its location.
Check condition of rubber mounting pads.
Refit
9. Check radiator sealing strips are securely
located.
10. Transfer oil cooler adaptors if fitting new radiator.
11. Reverse removal procedure. Tighten oil cooler
connections to
30 Nm before fitting fan blades
and cowl.
12. Check all connections for leaks.