Tech Info

td5Engine

Type: 2.5 litre in-line direct injection Diesel, turbocharged and intercooled
Number of cylinders: 5in-line, No. 1 cylinder at front of engine
Bore: 84.450 mm (3.3248 in)
Stroke: 88.950 mm (3.5020 in)
Capacity: 2498 cm3(152.5 in3)
Firing order: 1 – 2 – 4 – 5 – 3
Compression ratio: 19.5:1
Direction of rotation: Clockwise viewed from the front of the engine.
Dimensions
Length: 766 mm (30.1 in)
Width: 708 mm (27.8 in)
Height: 788 mm (31.0 in)
Emissions standard
Engine Serial No. Prefixes 10P to 14P – EU2 Model: ECD 2
Engine Serial No. Prefixes 15P to 19P – EU3 Model: ECD 3
Injection timing: Controlled by ECM
Maximum governed speed: 4850 rev/min
Maximum overrun speed: 5460 rev/min
Idle speed: 740 + 50 rev/min

HEATER PLUGS
Make & type: Beru 12 V.
Number of plugs: Four plugs only, in cylinders 1, 2, 3 and 4

INJECTORS
Make/Type: Lucas EV1 Nominal operating pressure
EU2 models: 1500 bar (21750 Ibf.in2)
EU3 models: 1750 bar (25380 Ibf.in2)

TURBOCHARGER
Make / type: GarrettGT2052
Type: Wet sump, pressure fed
Pump type: Eccentric rotor, crankshaft driven integral with stiffener plate.
Filter type:
Primary: Centrifuge filter
Secondary: Disposable canister with full flow by-pass
Pressure at idle (cold): 3.0 bar (43.5 Ibf.in2)
Pressure at 3500 rev/min (hot): 1.5 – 3.0 bar (21.75 – 43.5 Ibf.in2)
Relief valve opening pressure: 4.0 bar (58 Ibf.in2)
Low oil pressure switch opening pressure : 0.2 – 0.6 bar (3.0 – 8.8 Ibf.in2)
Crankshaft
Main bearing journal diameter: 61.9875 – 62.0125 mm
Crankpin journal diameter: 53.99 – 54.01 mm
Crankshaft end float: 0.020 – 0.250 mm
Main bearings
Number and type: 6 half shells (5 main, 1 thrust)
Pistons
Type: Graphite compound skirt with combustion chamber in crown.
Clearance in cylinder bore: 0.172 – 0.206 mm (measured at bottom of skirt, 90° to gudgeon pin)
Diameter: 84.270 – 85.254 mm (measured 90° to gudgeon pin and 40.00 mm from bottom of skirt.)
Gudgeon pins
Type: Fully floating, offset towards piston thrust side.
Piston rings
Type
Upper compression: Barrel edge, chrome plated
Lower compression: Taper faced
Oil control: Bevelled ring with spring
New ring to groove clearance
Upper compression: Not measured
Lower compression: 0.050 – 0.082 mm (0.002 – 0.003 in)
Oil control:0.050 – 0.082 mm (0.002 – 0.003 in)
Piston ring fitted gap in cylinder bore
Upper compression: 0.30 – 0.45 mm (0.0118 – 0.0177 in)
Lower compression: 0.40 – 0.60 mm (0.0157 – 0.0236 in)
Oil control: 0.25 – 0.40 mm (0.0098 – 0.0157 in)
Camshaft
Drive: Duplex chain
End float: 0.6 – 0.16 mm
Number of bearings: 6
Tappets
Type: Hydraulic lash adjusters with followers
Valves
Stem diameter
Exhaust: 6.905 ± 0.008 mm (0.271 ± 0.0003 in)
Inlet: 6.915 ±0.008 mm (0.272 ±0.0003 in)
Head diameter
Exhaust: 31.7 mm (1.25 in)
Inlet: 34.7 mm (1.37 in)
Seat face angle
Exhaust: 45°
Inlet: 30°
Valve face angle
Exhaust: 44°48’±12′
Inlet: 29°48′ ± 12′
Valve springs
Type:Parallel, single coil

FUEL SYSTEM
Type:Direct injection from pressure regulated supply with cooled return flow
Pressure regulator setting: 4 bar (58 Ibf.in2)
Pump: Electric two stage submersible
Pump output
Low pressure: 30 l/h (6.6 gal/h) at 0.5 bar (7.25 Ibf.in2)
High pressure: 180 l/h (39.6 gal/h) at 4 bar (58 Ibf.in2)
Max consumption: 30 l/h (6.6 gal/h)
Injectors: Electronic unit injectors
Injector normal operating pressure
EU2 models: 1500 bar (21750 Ibf.in2)
EU3 models: 1750 bar (25380 Ibf.in2)
Filter: In-line canister filter/water separator with water detection

COOLING SYSTEM – Td5
Type: Pressurised spill return partial flow, thermostatically controlled
Cooling fans: 11 blade axial flow on viscous coupling and 11 blade axial flow
Electric cooling fan switching points
On: Vehicle speeds of 50 mph (80 km/h) and below while ambient temperature is 28°C (82°F) or above
Off: vehicle speeds of 62.5 mph (100 km/h) and above or ambient temperatures of 25°C (77°F) and below
Coolant pump: Centrifugal impeller, belt driven from crankshaft
Thermostat: Waxstat with pressure relief valve
Thermostat opening temperature
Initial opening: 82°C (179°F)
Fully open: 96°C (204°F)
Expansion tank cap relief valve operating pressure: 1.4 bar (20.3 Ibf)