L81 Saturn L81
3.0-літровий V6 двигун Saturn L81, відомий своєю надійністю при належному обслуговуванні, але може мати проблеми з прокладкою головки блоку циліндрів.
4
Brand engines
6
Modifications
Technical Specifications
| Engine Displacement | 3.0 L (3,400 cc) |
| Configuration | V6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 2 |
| Power | 170 - 200 л.с. |
| Torque | 300 - 340 Н*м |
| Cylinder Bore | 89.00 mm |
| Piston Stroke | 88.00 mm |
| Compression Ratio | 9.5:1 |
| Firing Order | 1-2-3-4-5-6 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 3,200 rpm |
| Valve Train | SOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 200000 or as needed |
| Block Material | Cast Iron |
| Head Material | Aluminum |
| Engine Weight | 180 kg |
| Dimensions (L×W×H) | 600 × 600 × 700 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | GM Ecotec |
| Manufacturing Plant | Spring Hill, Tennessee, USA |
Maintenance
| Engine Oil Capacity | 5 L (with filter: 5.5 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | API SL |
| Recommended Brands | AC Delco, Mobil 1, Castrol |
| Oil Change Interval | 8 000 km or 6 mo |
| Oil Filter | AC Delco PF46E |
| Air Filter |
AC Delco A3140C
Replace every 30 000 km |
| Spark Plugs |
Type: Platinum Part number: AC Delco 41-110Gap: 1.1 mm Quantity: 6 pcs Replace every 100 000 km |
| Coolant Capacity | 8 L |
| Coolant Type | Dex-Cool (GM Dex-Cool) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 125°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from valve cover gaskets | Medium | 100000-150000 km | $300-500 |
| Timing chain noise | High | 150000-200000 km | $800-1200 |
Known defects
- Oil consumption issues in early models
- Head gasket failures
Warranty extensions
- GM extended warranty for engine issues up to 5 years/100000 miles
Tuning potential
Tuning potential: Medium | Max. safe power: 350 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 220 hp | 380 Nm |
ECU remap Reliability impact: Minimal |
$400 |
| Stage 2 | 250 hp | 420 Nm |
- Required: Cold air intake, Exhaust system upgrade Reliability impact: Low |
$1200 |
| Stage 3 | 300 hp | 480 Nm |
- Required: Forced induction, Upgraded internals Reliability impact: Medium-High |
$3000 |
Popular modifications
- ECU tuning
- Cold air intake
- Performance exhaust
Tuning limitations
- Limited aftermarket support
- Potential transmission issues at high power
Cars with the L81 engine
This engine was fitted to 3 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Saturn | LW | LW | 1998 - 2004 |
|
No photo
|
Cadillac | Catera | Catera (GM Epsilon) | 1996 - 2001 |
|
No photo
|
Saturn | LS | LS (L-Series) | 1998 - 2004 |
All modifications (6)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Saturn LW | LW | 3.0L V6 182 л.с. 5-МКП 2WD | 182 hp | 5-МКП | 2WD |
| Saturn LW | LW | 3.0L V6 182 л.с. 4-Автомат 2WD | 182 hp | 4-Автомат | 2WD |
| Cadillac Catera | Catera (GM Epsilon) | 3.0 V6 200 л.с. 4-Автомат 2WD | 200 hp | 4-Автомат | 2WD |
| Cadillac Catera | Catera (GM Epsilon) | 3.0 V6 200 л.с. 5-Автомат 2WD | 200 hp | 5-Автомат | 2WD |
| Saturn LS | LS (L-Series) | 3.0L V6 182 л.с. 5-МКП 2WD | 182 hp | 5-МКП | 2WD |
| Saturn LS | LS (L-Series) | 3.0L V6 182 л.с. 4-Автомат 2WD | 182 hp | 4-Автомат | 2WD |
Interesting Facts
- The L81 engine was part of GM's Ecotec family.
- It was used in both Saturn and other GM vehicles.
Applications
Total produced: approximately 300000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Saturn Vue | 2002-2007 | 2002-2007 | 170hp/200hp | North America |
| Saturn L-Series | 2000-2005 | 2000-2005 | 170hp/200hp | North America |
Compatible transmissions: 4-speed Automatic, 5-speed Manual
Drive types: FWD
Fuel Economy
| Fuel Type | Petrol 87 |
| Octane Rating | Minimum: 87 | Recommended: 89 |
| Consumption (City) | 12 L/100km |
| Consumption (Highway) | 8 L/100km |
| Consumption (Combined) | 10 L/100km |
| Real Consumption | 11 L/100km |
| Fuel Tank Capacity | 60 L |
| Range | 600 km |
| Cost per 100 km | 10-15 USD |
Emissions Standards
| Emission Standard | Euro 3 |
| CO₂ Emissions | 210 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |