K7M 75 Renault K7M 75
Атмосферний 4-циліндровий двигун, відомий своєю простотою та надійністю, але з обмеженими можливостями для тюнінгу.
14
Brand engines
4
Modifications
Technical Specifications
| Engine Displacement | 1.7 L (1,690 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 8 |
| Power | 75 л.с. |
| Torque | 120 Н*м |
| Cylinder Bore | 82.00 mm |
| Piston Stroke | 90.00 mm |
| Compression Ratio | 9.5:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 3,000 rpm |
| Valve Train | SOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 60,000 km |
| Block Material | Cast Iron |
| Head Material | Aluminum |
| Engine Weight | 130 kg |
| Dimensions (L×W×H) | 600 × 600 × 600 mm |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Renault K engine series |
| Manufacturing Plant | Flins, France |
| Successor | K4M |
Maintenance
| Engine Oil Capacity | 4.5 L (with filter: 5 L) |
| Recommended Viscosity | 10W-40 |
| Oil Standard | ACEA A3/B3 |
| Recommended Brands | Total Quartz, Elf Evolution, Castrol GTX |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 7701471375 |
| Air Filter |
7701471383
Replace every 30 000 km |
| Spark Plugs |
Type: Copper Part number: 7701471376Gap: 0.8 mm Quantity: 4 pcs Replace every 30 000 km |
| Coolant Capacity | 6 L |
| Coolant Type | G12 (Renault Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 85°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 300-500 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Head gasket failure | Medium | 150000-200000 km | $500-800 |
| Timing belt wear | Low | 60000-100000 km | $200-300 |
Known defects
- Oil leaks from the valve cover
- Weak ignition coils
Warranty extensions
- Standard warranty up to 3 years or 100000 km
Tuning potential
Tuning potential: Medium | Max. safe power: 120 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 85 hp | 130 Nm |
ECU remap Reliability impact: Minimal |
$300 |
| Stage 2 | 95 hp | 150 Nm |
- Required: Cold air intake, ECU remap Reliability impact: Low |
$800 |
| Stage 3 | 110 hp | 170 Nm |
- Required: Turbocharger kit, ECU remap Reliability impact: Medium |
$2000 |
Popular modifications
- ECU tune
- Cold air intake
- Performance exhaust
Tuning limitations
- Stock internals limit power
- Turbocharger installation requires extensive modifications
Cars with the K7M 75 engine
This engine was fitted to 3 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Dacia | Sandero | Sandero II | 2013 - 2016 |
|
No photo
|
Renault | Megane | Megane | 1996 - 2008 |
|
No photo
|
Renault | Symbol | Symbol | 2002 - 2022 |
All modifications (4)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Dacia Sandero | Sandero II | 1.2 16V 75 л.с. 5-МКП 2WD | 75 hp | 5-МКП | 2WD |
| Dacia Sandero | Sandero II | 1.2 16V 75 л.с. 4-Автомат 2WD | 75 hp | 4-Автомат | 2WD |
| Renault Megane | Megane | 1.4 16V 75 л.с. 5-МКП 2WD | 75 hp | 5-МКП | 2WD |
| Renault Symbol | Symbol | 1.4 75 л.с. 5-МКП 2WD | 75 hp | 5-МКП | 2WD |
Interesting Facts
- The K7M engine is known for its reliability and low maintenance costs.
- It was widely used in various Renault and Dacia models.
Applications
Total produced: over 500000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Dacia Logan | M1 | 2004-2008 | 75hp | Europe, South America |
| Dacia Sandero | M1 | 2008-2012 | 75hp | Europe, South America |
Compatible transmissions: 5-speed Manual, 4-speed Automatic
Drive types: FWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 95 |
| Consumption (City) | 10 L/100km |
| Consumption (Highway) | 6 L/100km |
| Consumption (Combined) | 7.5 L/100km |
| Real Consumption | 8.5 L/100km |
| Fuel Tank Capacity | 50 L |
| Range | 666 km |
| Cost per 100 km | 10-12 USD |
Emissions Standards
| Emission Standard | Euro 3 |
| CO₂ Emissions | 180 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| K4M | Renault | 1,598 cc | 90 hp | 135 Nm |
| EA111 | Volkswagen | 1,600 cc | 75 hp | 120 Nm |
Pros
- Good fuel economy for a naturally aspirated engine
- Simple design leads to easier repairs
Cons
- Less power compared to turbocharged competitors
- Older technology compared to modern engines