Engine Nissan VH45DE

Engine Nissan VH45DE under the hood

The 4.5-liter Nissan VH45DE engine (or VH45 for short) was produced from 1989 to 2002 in Japan and was installed only on the especially luxurious President model and the American Infiniti Q45. This power unit is very popular for self-swap on sports cars.

Features of the VH45DE engine: forged steel crankshaft and connecting rods, 6-bolt main bearing caps, lightweight molybdenum-coated pistons, exhaust camshafts made of special materials, hydraulic lifters are present.

The VH family also includes an internal combustion engine: VH41DE.

The engine was installed on:

  • Nissan President 2 (HG50) in 1990 – 2002;
  • Infiniti Q45 1 (G50) in 1989 – 1996.

Specifications

Manufacturer Yokohama Plant
Production years 1989-2002
Cylinder block alloy aluminum
Fuel system injector
Configuration V8
Valves per cylinder 4
Piston stroke, mm 82.7
Cylinder bore, mm 93
Compression ratio 10.2
Displacement, cc 4494
Power output, hp 278/6000
Torque output, Nm / rpm 396/4000
Timing drive single row chain
Fuel type petrol
Euro standards EURO 3/4
Weight, kg 237
Fuel consumption, L/100 km (for Nissan President 2000)
— city
— highway
— combined
16.6
12.4
14.7
Oil consumption, gr/1000 km up to 1000
Recommended engine oil 5W-30 / 5W-40 / 10W-30 / 10W-40
Engine oil capacity, liter 5.6
Oil change interval, km 10000
Engine lifespan, km ~350 000

Disadvantages of the VH45DE engine

  • The only weak point of the internal combustion engine is the plastic timing chain guides;
  • On the electrical side, knock sensors periodically disturb, as well as a mass air flow sensor;
  • In all other respects, the reliability of the motor is almost exemplary, and its resource is huge.

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