The 2.0-liter 16-valve Renault N7Q engine was produced in Sweden from 1995 to 2000 and was installed only on the first generation of the Laguna model and the restyled version of the Safrane. This power unit is essentially a Volvo engine under the symbol B4204S.
N-series family: N7Q, N7U.
Specifications
| Production years | 1995-2000 |
| Displacement, cc | 1948 |
| Fuel system | injector |
| Power output, hp | 136 – 140 |
| Torque output, Nm | 176 – 182 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 90 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 6.2 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Renault Laguna 1998) — city — highway — combined |
12.1 7.1 8.5 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 143 |
The engine was installed on:
- Renault Laguna 1 (X56) in 1995 – 1999;
- Renault Safrane 1 (B54) in 1996 – 2000.
Disadvantages of the Renault N7Q engine
- Most often, Renault owners with such an engine are worried about grease leaks from the oil separator;
- Due to clogged crankcase ventilation, an impressive oil consumption often appears;
- The timing belt does not always serve the required 90,000 km, and when it breaks, the valves bend;
- This power unit is afraid of overheating and the gasket breaks through here very quickly;
- Weaknesses also include engine mounts, thermostat, pump and fuel pump.
Frequently asked questions about the Renault N7Q
How much power does the Renault N7Q make?
The Renault N7Q develops 136 - 140 hp and 176 - 182 Nm of torque.
How much oil does the Renault N7Q take and which one?
Engine oil capacity: 6.2 liters. Recommended oil: 5W-40.
Does the Renault N7Q have a timing belt or chain?
The Renault N7Q uses a timing belt.
Is the Renault N7Q turbocharged?
No, the Renault N7Q is naturally aspirated.
Does the Renault N7Q need valve clearance adjustment?
No, the Renault N7Q has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Renault N7Q last?
The typical lifespan of the Renault N7Q is ~300 000 km with proper maintenance.
What is the fuel consumption of the Renault N7Q?
Renault Laguna 1998: city 12.1, highway 7.1, combined 8.5 L/100 km.
What cars was the Renault N7Q installed on?
Renault Laguna 1 (X56) in 1995 - 1999; Renault Safrane 1 (B54) in 1996 - 2000.
What are the common problems of the Renault N7Q?
Most often, Renault owners with such an engine are worried about grease leaks from the oil separator. Due to clogged crankcase ventilation, an impressive oil consumption often appears. All known problems.
What engines are related to the Renault N7Q?
N-series family: N7U.
