JTDm 2.4 Alfa Romeo JTDm 2.4

Дизельний 5-циліндровий двигун з турбонаддувом, відомий своєю потужністю та економічністю, але потребує регулярного обслуговування.

Brand: Alfa Romeo Type: Diesel Configuration: Inline-5 Production Years: 2005 - 2011 Production: Pratola Serra, Italy
48 Brand engines
1 Modifications

Technical Specifications

Engine Displacement 2.4 L (2,387 cc)
Configuration Inline-5
Number of Cylinders 5
Valves per Cylinder 4
Power 200 - 210 л.с.
Torque 400 - 450 Н*м
Cylinder Bore 82.00 mm
Piston Stroke 90.40 mm
Compression Ratio 17.5:1
Firing Order 1-2-4-5-3
Fuel System Common Rail Direct Injection
Aspiration Turbocharged
Turbocharger Variable Geometry Turbocharger
Intercooler Yes
Maximum RPM 4,500 rpm
Max Torque RPM 2,000 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 120,000 km
Block Material Cast Iron
Head Material Aluminum
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family JTD Multijet
Manufacturing Plant Pratola Serra, Italy
Predecessor JTD 2.4

Maintenance

Engine Oil Capacity 6.4 L (with filter: 6.8 L)
Recommended Viscosity 5W-30
Oil Standard ACEA C3
Recommended Brands Selenia WR, Castrol Edge, Mobil 1
Oil Change Interval 15 000 km or 12 mo
Oil Filter 71754202
Air Filter 71754203
Replace every 60 000 km
Fuel filter 71754204
Cabin Filter 71754205
Spark Plugs
Coolant Capacity 8 L
Coolant Type G12 (Paraflu UP)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 700-1000 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
EGR valve clogging Medium 80000-120000 km $300-500
DPF clogging High 100000-150000 km $800-1500

Known defects

  • Turbocharger failures in early models
  • Swirl flap issues

Tuning potential

Tuning potential: Medium | Max. safe power: 320 hp

Stage Power Torque Method Cost
Stage 1 230 hp 480 Nm ECU remap only
Reliability impact: Minimal 		$400
Stage 2 260 hp 520 Nm ECU, Downpipe, Intake
Required: Upgraded intercooler, Downpipe, ECU remap
Reliability impact: Low 		$2000
Stage 3 300 hp 600 Nm -
Required: Bigger turbo, Upgraded fuel system
Reliability impact: Medium 		$5000

Popular modifications

  • ECU remap
  • Performance air filter
  • Upgraded exhaust system

Tuning limitations

  • Stock turbo limits at ~260hp
  • DPF removal required for higher stages

Cars with the JTDm 2.4 engine

This engine was fitted to 1 model

Photo Brand Model Generation Production years
No photo
 Alfa Romeo GTV GTV 1995 - 2006

All modifications (1)

Vehicle Generation Modification Power Gearbox Drive
Alfa Romeo GTV GTV 2.4 JTD 175 л.с. 6-МКП 2WD 175 hp 6-МКП 2WD

Interesting Facts

  • The JTDm 2.4 engine was one of the first to feature a variable geometry turbocharger in its class.
  • It was praised for its strong mid-range torque and smooth power delivery.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Alfa Romeo 159 939 2005-2011 200hp/210hp Europe
Alfa Romeo Brera 939 2005-2010 200hp/210hp Europe

Compatible transmissions: 6-speed Manual, 6-speed Automatic

Drive types: FWD, AWD

Fuel Economy

Fuel Type Diesel
Consumption (City) 9 L/100km
Consumption (Highway) 5.5 L/100km
Consumption (Combined) 6.8 L/100km
Real Consumption 7.5 L/100km
Fuel Tank Capacity 70 L
Range 1,029 km
Cost per 100 km 10-12 USD

Emissions Standards

Emission Standard Euro 4
CO₂ Emissions 179 g/km
Particulate Filter (DPF) Present
Regeneration every 100,000 km
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
M57D30 BMW 2,993 cc 231 hp 500 Nm
OM642 Mercedes-Benz 2,987 cc 224 hp 510 Nm

Pros

  • Strong mid-range torque
  • Smooth power delivery
  • Advanced turbocharging technology

Cons

  • Higher maintenance costs
  • Potential DPF and EGR issues
  • Limited tuning potential compared to competitors