Discovery 2. Manual - part 384
GENERAL DATA
04-9
Fuel system - V8
Cooling system - Td5
Type
Multiport injection from pressure regulated, returnless supply
Pump
Electric submersible
Regulated pump output pressure
3.5 bar (50.75 lbf.in
2
)
Fuel pump delivery
120 litres/hr (211 pints/hr) (234 US pints/hr)
Filter
In-line canister
Air filter
Mann and Hummell P0036
Type
Pressurised, spill return partial flow, thermostatically controlled
Cooling fans
11 blade axial flow on viscous coupling and 11 blade axial flow
electric
Electric cooling fan switching points:
For A/C system:
Þ
On
When vehicle speed is 50 mph (80 km/h) or less and ambient
temperature is 28
°
C (82
°
F) or more
Þ
Off
When vehicle speed increases to 62.5 mph (100 km/h) or ambient
temperature decreases to 25
°
C (77
°
F)
For engine cooling during normal running:
Þ
On
110
°
C (230
°
F)
Þ
Off
105
°
C (221
°
F)
For engine cooling at ignition off (to counteract heat
soak):
Þ
On
If, within 10 seconds of ignition off, engine coolant temperature is
105
°
C (221
°
F) or more
Þ
Off
After 10 minutes or if engine coolant temperature decreases to
100
°
C (212
°
F)
Coolant pump
Centrifugal impeller, belt driven from crankshaft
Thermostat
Waxstat with pressure relief valve
Thermostat opening temperature:
Þ
Initial opening
82
°
C (179
°
F)
Þ
Fully open
96
°
C (204
°
F)
Expansion tank cap relief valve - system operating
pressure
1.4 bar (20.3 lbf.in
2
)
Fuel cooler thermostat opening temperature
82
°
C (179
°
F)