JTDm 1.9 Alfa Romeo JTDm 1.9
Дизельний двигун з Common Rail системою впорскування, відомий своєю економічністю та хорошою тягою на низьких обертах.
48
Brand engines
1
Modifications
Technical Specifications
| Engine Displacement | 1.9 L (1,910 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 120 - 150 л.с. |
| Torque | 280 - 320 Н*м |
| Cylinder Bore | 82.00 mm |
| Piston Stroke | 90.40 mm |
| Compression Ratio | 17.5:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | Garrett GT1544V |
| Intercooler | Yes |
| Maximum RPM | 4,200 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 | 1.9 JTD |
| Successor | 2.0 JTDm |
Maintenance
| Engine Oil Capacity | 4.6 L (with filter: 4.8 L) |
| Recommended Viscosity | 5W-40 |
| Oil Standard | ACEA C3 |
| Recommended Brands | Selenia WR, Castrol Edge, Mobil 1 |
| Oil Change Interval | 20 000 km or 12 mo |
| Oil Filter | 71736161 |
| Air Filter |
71754219
Replace every 60 000 km |
| Fuel filter | 71736164 |
| Cabin Filter | 71753209 |
| Spark Plugs | |
| Coolant Capacity | 7 L |
| Coolant Type | G12 (Paraflu) |
| 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 | 500-800 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| EGR valve clogging | Medium | 80000-120000 km | $200-400 |
| Turbocharger failure | High | 150000-200000 km | $1000-1500 |
Known defects
- Early models had issues with the EGR valve
- DPF clogging in urban driving conditions
Warranty extensions
- Extended warranty for DPF issues in some markets
Tuning potential
Tuning potential: Medium | Max. safe power: 220 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 170 hp | 380 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 190 hp | 420 Nm |
ECU, Downpipe Required: Upgraded intercooler, ECU remap Reliability impact: Low |
$1500 |
| Stage 3 | 210 hp | 450 Nm |
- Required: Bigger turbo, Upgraded fuel system Reliability impact: Medium |
$5000 |
Popular modifications
- ECU remap
- Intercooler upgrade
- Turbo upgrade
Tuning limitations
- Stock clutch may not handle increased torque
- DPF removal is illegal in some regions
Cars with the JTDm 1.9 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Alfa Romeo | GT | GT | 2003 - 2010 |
All modifications (1)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Alfa Romeo GT | GT | 1.9 JTD 120 л.с. 6-МКП 2WD | 120 hp | 6-МКП | 2WD |
Interesting Facts
- The JTDm 1.9 was one of the first diesel engines to use a common rail system with multiple injections per cycle.
- It was praised for its balance of performance and fuel efficiency.
Applications
Total produced: unknown
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Alfa Romeo 147 | Phase 2 | 2004-2010 | 120hp/150hp | Europe |
| Alfa Romeo 156 | Facelift | 2003-2006 | 120hp/150hp | Europe |
| Alfa Romeo 159 | All | 2005-2011 | 120hp/150hp | Europe |
Compatible transmissions: 6-speed Manual, 6-speed Automatic
Drive types: FWD
Fuel Economy
| Fuel Type | Diesel |
| Consumption (City) | 7 L/100km |
| Consumption (Highway) | 4.5 L/100km |
| Consumption (Combined) | 5.5 L/100km |
| Real Consumption | 6 L/100km |
| Fuel Tank Capacity | 58 L |
| Range | 1,054 km |
| Cost per 100 km | 8-10 USD |
Emissions Standards
| Emission Standard | Euro 4 |
| CO₂ Emissions | 145 g/km |
| Particulate Filter (DPF) |
Present Regeneration every 500 km |
| AdBlue | Not Required |
Awards and Recognition
- Engine of the Year (2005) — 1.8L to 2.0L