J37A2 Acura J37A2
3.7-літровий V6 двигун від Acura, відомий своєю потужністю та надійністю, але потребує регулярного обслуговування для запобігання проблемам з системою VTEC.
28
Brand engines
4
Modifications
Technical Specifications
| Engine Displacement | 3.5 L (3,471 cc) |
| Configuration | V6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 4 |
| Power | 300 л.с. |
| Torque | 366 Н*м |
| Cylinder Bore | 90.00 mm |
| Piston Stroke | 96.00 mm |
| Compression Ratio | 11.2:1 |
| Firing Order | 1-4-2-5-3-6 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,800 rpm |
| Max Torque RPM | 5,000 rpm |
| Valve Train | SOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 160,000 km |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Honda J engine series |
| Manufacturing Plant | Anna, Ohio, USA |
| Predecessor | J35A8 |
| Successor | null |
Maintenance
| Engine Oil Capacity | 4.5 L (with filter: 4.7 L) |
| Recommended Viscosity | 5W-20 |
| Oil Standard | API SN |
| Recommended Brands | Mobil 1, Castrol, Valvoline |
| Oil Change Interval | 12 000 km or 12 mo |
| Oil Filter | 15400-PLM-A02 |
| Air Filter |
17220-RYE-A00
Replace every 30 000 km |
| Cabin Filter | 80292-SDA-A01 |
| Spark Plugs |
Type: Iridium Part number: 12290-R70-A01Gap: 1.1 mm Quantity: 6 pcs Replace every 100 000 km |
| Coolant Capacity | 8.5 L |
| Coolant Type | Honda Type 2 (Honda) |
| Coolant Change Interval | 160 000 km |
| Thermostat Opening Temperature | 82°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 600-1000 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil consumption | Medium | 80000-120000 km | $500-1500 |
Known defects
- VTEC system issues
- Oil consumption in some models
Warranty extensions
- Extended warranty for VTEC issues in certain regions
Tuning potential
Tuning potential: Medium | Max. safe power: 400 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 320 hp | 380 Nm |
ECU remap only Reliability impact: Minimal |
$600 |
| Stage 2 | 350 hp | 410 Nm |
ECU, Performance Exhaust Required: Cold air intake, Exhaust system, ECU remap Reliability impact: Low |
$2500 |
| Stage 3 | 380 hp | 450 Nm |
- Required: High-performance camshafts, Upgraded fuel injectors, ECU remap Reliability impact: Medium |
$5000 |
Popular modifications
- Cold air intake
- Performance exhaust
- ECU tuning
Tuning limitations
- Limited by naturally aspirated design
- Transmission may require upgrades for high power
Cars with the J37A2 engine
This engine was fitted to 2 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Acura | MDX | MDX II (YD2) | 2007 - 2013 |
|
No photo
|
Honda | Legend | Legend | 2006 - 2012 |
All modifications (4)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Acura MDX | MDX II (YD2) | 3.7L V6 300 л.с. 5-Автомат 4x4 | 300 hp | 5-Автомат | 4x4 |
| Acura MDX | MDX II (YD2) | 3.7L V6 300 л.с. 6-Автомат 4x4 | 300 hp | 6-Автомат | 4x4 |
| Honda Legend | Legend | 3.7 V6 280 л.с. 5-Автомат 2WD | 280 hp | 5-Автомат | 2WD |
| Honda Legend | Legend | 3.7 V6 280 л.с. 6-Автомат 4x4 | 280 hp | 6-Автомат | 4x4 |
Interesting Facts
- The J37A2 engine was one of the largest displacement V6 engines produced by Honda.
- It featured Honda's VTEC system for improved performance and efficiency.
Applications
Total produced: unknown
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Acura TL | Fourth | 2009-2014 | 300hp | USA, Canada |
Compatible transmissions: 6-speed Automatic, 6-speed Manual
Drive types: FWD, AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 91 | Recommended: 95 |
| Consumption (City) | 13.1 L/100km |
| Consumption (Highway) | 9.4 L/100km |
| Consumption (Combined) | 11.3 L/100km |
| Real Consumption | 12 L/100km |
| Fuel Tank Capacity | 73 L |
| Range | 646 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 5 |
| CO₂ Emissions | 265 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| 2GR-FE | Toyota | 3,456 cc | 268 hp | 336 Nm |
Pros
- Higher power output compared to some competitors
- Smooth and refined operation
- Good reliability record
Cons
- Higher fuel consumption
- Potential oil consumption issues