Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHV |
|---|---|
| Capacity cc | 2496 |
| Compression ratio :1 | 19,5 |
Injection system
| Fuel/injection pump assembly Make | Bosch |
|---|---|
| Fuel/injection pump assembly Type | R509/1 |
| Pump type | Rotary |
| Fuel feed/lift pump delivery pressure bar | 0,40-0,55 |
| Injector nozzle Make | Bosch |
| Nozzle and holder assembly Part No. | DSLA145P366 |
| Nozzle opening pressure - new/used bar | — |
| Back leak (pressure loss) bar/secs | 150-100/5 |
Injection sequence
The injection sequence for the Land Rover Discovery 2.5 TDI (1995–1998) is 1-3-4-2.
| Injection sequence | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Land Rover Discovery 2.5 TDI (1995–1998) are 0,20 mm inlet and 0,20 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,20 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,20 cold |
Engine oil & fluids
Engine oil
The Land Rover Discovery 2.5 TDI (1995–1998) takes 7.0 litres of engine oil with the filter.
A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 15W-40 for moderate climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification CF/B2.
Manual gearbox
The manual gearbox has a listed capacity of 2.7 litres. The specified oil is Dexron II.
Transfer box
The transfer box has a listed capacity of 2.3 litres. The specified oil is SAE 90W.
Coolant
The listed total cooling-system capacity is 11.5 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | Cold climate |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Moderate climate |
| Engine oil grade SAE | 15W-40 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Moderate climate alternative |
| Engine oil grade SAE | 10W-40 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Hot climate |
| Engine oil grade SAE | 20W-50 |
| Engine oil classification API/ACEA | CF/B2 |
| Engine with filter(s) litres | 7.0 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | Dexron II |
| Manual transmission litres | 2.7 |
| Automatic transmission fluid Type | Dexron II |
| Differential oil grade - front SAE | 90W |
| Differential front/AT litres | 1.7 |
| Differential oil grade - rear SAE | 90W |
| Differential rear litres | 1.7 |
| Transfer box oil grade SAE | 90W |
| Transfer box litres | 2.3 |
| Cooling system - total capacity litres | 11.5 |
| Brake fluid Type | DOT 4 |
| Power steering fluid Type | Dexron II |
| Power steering fluid litres | 3.4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Land Rover Discovery 2.5 TDI (1995–1998) are replaced at a minimum thickness of 12 mm (solid) or 22 mm (ventilated) front and 12 mm rear.
| Minimum disc thickness for replacement - solid Front | 12 mm |
|---|---|
| Minimum disc thickness for replacement - ventilated Front | 22 mm |
| Minimum disc thickness for replacement Rear | 12 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,15 mm |
|---|---|
| Disc runout Rear | 0,15 mm |
| Minimum pad thickness Front | 2 mm |
| Minimum pad thickness Rear | 2 mm |
| Minimum shoe thickness Rear | 2 mm |
| Parking brake travel No. of notches | 3-4 |
Bar lengths use a square-root scale so small and large values stay readable.
Service & electrical
Battery
The Land Rover Discovery 2.5 TDI (1995–1998) uses a 12 V, 95 Ah battery (reserve capacity 175 minutes).
| Battery V/RC(Ah) | 12/175 (95) |
|---|
Glow plugs
Glow plugs for the Land Rover Discovery 2.5 TDI (1995–1998): Beru 0 100 226 129A, Bosch 0 250 201 012, Champion CH70 and Lucas/CAV HDS303. Rated 12 V; activation takes 8 seconds.
| Glow plug nominal rating V/A | 12 |
|---|---|
| Glow plug activation time secs | 8 |
| Glow plug - part no. Beru | 0 100 226 129A |
| Glow plug - part no. Bosch | 0 250 201 012 |
| Glow plug - part no. Champion | CH70 |
| Glow plug - part no. Lucas/CAV | HDS303 |
Tuning and emissions
| Crankshaft position (n = ATDC) °BTDC | — |
|---|---|
| Adjusting method Engine/Pump | Special Tool/Special Tool |
| Idle speed rpm | 720±20 |
| Rated no load speed rpm | 4600+40/-120 |
| Oil temperature °C | 70 |
| Water temperature °C | 90 |
| Idle speed - for smoke test rpm | 650-800 |
| Governed speed range - for smoke test rpm | 4350-4690 |
| Maximum time at governed speed secs | 2,0 |
| Test mode A/B | B |
| Probe type 1/2 | 1 |
| Smoke opacity - EU limit m-1 (%) | 3,00 (73) |
| Smoke opacity - homologation value m-1 (%) | 2,50 (66) |
Starting and charging
| Maximum cranking amps A | 257-314 |
|---|---|
| Alternator output A/V/rpm | 100/14/3000 |
Service checks and adjustments
| Turbo boost pressure bar/rpm | 0,8-1,0/3000 |
|---|---|
| Oil pressure bar/rpm | 1,7-3,8 |
| Radiator cap bar | 1,00 |
| Thermostat opens °C | 88 |
Tightening torques
| Cylinder head instructions | — | |
|---|---|---|
| Cylinder head | ||
| Renew bolts | No | |
| Other engine tightening torques | ||
| Main bearings Renew bolts/nuts | No | |
| Main bearings Stage 1 | 66 Nm | |
| Main bearings Stage 2 | 133 Nm | |
| Big end bearings Renew bolts/nuts | No | |
| Big end bearings Stage 1 | 29 Nm | |
| Big end bearings Stage 2 | 59 Nm | |
| Oil pump to cylinder block | 25 Nm | |
| Sump bolts | 25 Nm | |
| Sump drain bolt | 35 Nm | |
| Flywheel/driveplate | 147 Nm | |
| Clutch pressure plate | 34 Nm | |
| Crankshaft pulley/damper centre bolt | 80 Nm+90° | |
| Camshaft sprocket/gear | 80 Nm | |
| Camshaft/rocker cover | 10 Nm | |
| Inlet manifold to cylinder head | 25 Nm | |
| Exhaust manifold to cylinder head | 45 Nm | |
| Water pump | 25 Nm | |
| Injector/clamp | 25 Nm | |
| Fuel/injection pump sprocket/gear | 25 Nm | |
| Fuel/injection pump mounting | 25 Nm | |
| Glow plugs | 20 Nm | |
| Engine coolant temperature (ECT) sensor | 14 Nm | |
| Engine oil pressure switch | 17 Nm | |
| Oil filter | 13 Nm | |
| Chassis tightening torques | ||
| Front hub | — | |
| Rear hub | — | |
| Steering wheel | 50 Nm | |
| Steering rack/box mounting | 81 Nm | |
| Steering track rod end | 40 Nm | |
| Brake disc to hub Front | 73 Nm | |
| Brake caliper/carrier to hub Front | 82 Nm | |
| Brake disc to hub Rear | 73 Nm | |
| Brake caliper/carrier to hub Rear | 82 Nm | |
| ABS sensor Front | 18 Nm | |
| ABS sensor Rear | 18 Nm | |
| Road wheels | 130 Nm | |
Bar lengths use a square-root scale so small and large values stay readable.
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | Yes |
| Compressor variable displacement solenoid | No |
| Air conditioning refrigerant Type | R134a |
| Air conditioning refrigerant quantity grams | — |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Dens Oil 8 |
| Air conditioning oil quantity cm³ | 180 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the injection sequence of the Land Rover Discovery 2.5 TDI?
The injection sequence for the Land Rover Discovery 2.5 TDI (1995–1998) is 1-3-4-2.
What glow plugs does the Land Rover Discovery 2.5 TDI use?
Glow plugs for the Land Rover Discovery 2.5 TDI (1995–1998): Beru 0 100 226 129A, Bosch 0 250 201 012, Champion CH70 and Lucas/CAV HDS303. Rated 12 V; activation takes 8 seconds.
How much oil does the Land Rover Discovery 2.5 TDI take?
The Land Rover Discovery 2.5 TDI (1995–1998) takes 7.0 litres of engine oil with the filter. A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 15W-40 for moderate climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification CF/B2.
What are the valve clearances for the Land Rover Discovery 2.5 TDI?
Valve clearances for the Land Rover Discovery 2.5 TDI (1995–1998) are 0,20 mm inlet and 0,20 mm exhaust, measured cold.
What is the minimum brake disc thickness for the Land Rover Discovery 2.5 TDI?
Brake discs on the Land Rover Discovery 2.5 TDI (1995–1998) are replaced at a minimum thickness of 12 mm (solid) or 22 mm (ventilated) front and 12 mm rear.
What battery does the Land Rover Discovery 2.5 TDI use?
The Land Rover Discovery 2.5 TDI (1995–1998) uses a 12 V, 95 Ah battery (reserve capacity 175 minutes).