The Nissan KA24DE is a 2.4 L (2,389 cc, 145.8 cu·in) natural aspirated four-stroke water-cooled internal combustion gasoline engine, manufactured by Nissan Motor Corporation from 1991 to 2016 in Aguascalientes, Mexico for US market, and in Yokohama, Kanagawa, Japan.
The cylinder bore and piston stroke are 89.0 mm (3.5 in) and 96.0 mm (3.78 in), respectively. The compression ratio rating is 9.5:1 on Nissan 240SX, and 9.2:1 or 9.3:1 on trucks.
The KA24DE engine produced from 145.5 PS (107 kW; 143.5 HP) at 4,300 rpm to 157.8 PS (116 kW; 155.6 HP) at 5,600 rpm of maximum horsepower and from 208 N·m (21.2 kg·m, 153.3 ft·lb) at 3,600 rpm to 217 N·m (22.1 kg·m, 159.9 ft·lb) at 4,400 rpm of maximum torque.
The Nissan KA24DE features:
- Cast-iron cylinder block
- Aluminum cylinder head
- DOHC design with four valves per cylinder
- Sequential Electronic Fuel Injection system
- Pressurized lubrication system
General information
| Engine Specifications | |
| Engine model | KA24DE |
| Engine type | 4-stroke, DOHC, vertical |
| Displacement | 2.4 L, 2,389 cm3, (145.8 cu·in) |
| Max. horsepower | From 145.5 PS (107 kW; 143.5 HP) at 4,300 rpm to 157.8 PS (116 kW; 155.6 HP) at 5,600 rpm |
| Max. torque | From 208 N·m (21.2 kg·m, 153.3 ft·lb) at 3,600 rpm 217 N·m (22.1 kg·m, 159.9 ft·lb) at 4,400 rpm |
| Cooling system | Liquid |
| Lubricating system | Pressurized lubrication |
| Fuel system | Sequential Electronic Fuel Injection system |
| Starting system | Starter motor |
| Charging system | Alternator |
| Firing order: | 1-3-4-2 |
Cylinder Block and Head
| Cylinder block | |
| Cylinder block alloy: | Cast-iron |
| Compression ratio: | 9.5:1, 9.2:1 or 9.3:1 |
| Cylinder bore: | 89.0 mm (3.5 in) |
| Piston stroke: | 96.0 mm (3.78 in) |
| Cylinder internal diameter (standard): | 89.000-89.010 mm (3.5039-3.5043 in) |
| Piston skirt outer diameter (standard): | 88.970-88.980 mm (3.5027-3.5031 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Connecting rod big end diameter (standard): | 53.000-53.013 mm (2.0866-2.0871 in) |
| Connecting rod small end diameter (standard): | 21.000-21.012 mm (0.8268-0.8272 in) |
| Connecting rod center distance: | 164.95-165.05 mm (6.4941-6.498 in) |
| Piston pin diameter: | 20.989-21.001 mm (0.8263-0.8268 in) |
| Side clearance (Top): | 0.040-0.080 mm (0.0016-0.0031 in) |
| Side clearance (Second): | 0.030-0.070 mm (0.0012-0.0028 in) |
| Ring end gap (Top): | 0.280-0.520 mm (0.011-0.0205 in) |
| Ring end gap (Second): | 0.450-0.690 mm (0.0177-0.0272 in) |
| Ring end gap (Oil): | 0.200-0.690 mm (0.0079-0.0272 in) |
| Number of main bearings: | 5 |
| Crankshaft main journal diameter: | 59.967-59.975 mm (2.3609-2.3612 in) |
| Crankpin journal diameter: | 49.968-49.974 mm (1.9672-1.9675 in) |
| Crankshaft center distance: | 48 mm (1.89 in) |
| Cylinder head | |
| Cylinder head alloy: | Aluminium |
| Valve arrangement: | DOHC, chain driven |
| Valves: | 4 ,(16 valves in total) |
| Valve head diameter (INTAKE): | 36.5-36.7 mm (1.437-1.4449 in) |
| Valve head diameter (EXHAUST): | 31.2-31.4 mm (1.2283-1.2362 in) |
| Valve length (INTAKE): | 101.020-101.620 mm (3.9772-4.0008 in) |
| Valve length (EXHAUST): | 98.520-99.720 mm (3.8787-3.926 in) |
| Valve steam diameter (INTAKE): | 6.965-6.980 mm (0.2742-0.2748 in) |
| Valve steam diameter (EXHAUST): | 6.945-6.960 mm (0.2734-0.274 in) |
| Valve spring free length (INTAKE): | 44.6 mm (1.7559 in) |
| Valve spring free length (EXHAUST): | 44.6 mm (1.7559 in) |
| Camshaft journal diameter No.1: | 27.935-27.955 mm (1.0998-1.1006 in) |
| Camshaft journal diameter : | 23.935-23.955 mm (0.9423-0.9431 in) |
Service Data
| Compression pressure | |
| Standard: | 1.236 kPA (12.6 kg/cm2; 179 psi) |
| Minimum: | 1,040 kPA (10.6 kg/cm2; 151 psi) |
| Compression differential limit between cylinders: | 98 kPA (1.0 kg/cm2; 14 psi) |
| Valve clearance | |
| Intake valve clearance (HOT): | 0.31-0.39 mm (0.0122-0.0154 in) |
| Exhaust valve clearance (HOT): | 0.33-0.41 mm (0.013-0.0161 in) |
| Oil system | |
| Lubrication system: | Pressurized lubrication |
| Oil type: | API SG |
| Recommended oil: | SAE 5W-30,10W-30, 10W-40 |
| Oil capacity: | With oil filter: 3.8 liters (4.02 US.qts, 3.34 Imp. qts) Without oil filter: 3.5 liters (3.7 US.qts, 3.08 Imp. qts) |
| Oil pressure: | 78 kPA (0.8 kg/cm2; 11.3 psi) at Idle speed 412-481 kPA (4.2-4.9 kg/cm2; 60-70 psi) at 3,000 rpm |
| Fuel system | |
| Type: | Sequential Electronic Fuel Injection system |
| Ignition system | |
| Ignition timing: | 20° ± 2° B.T.D.C. |
| Spark plug: | NGK: BKR5E-11, BKR6E-11, BKR7E-11 |
| Spark plug gap: | 1.0-1.1 mm (0.0394-0.0433 in) |
| Spark plug torque: | 25 N·m (2.5 kg·m, 18.4 ft·lb) |
Applications
| Model | Years Produced |
| Nissan Xterra | 2000-2004 |
| Nissan Navara (D22) | 1998-2016 |
| Nissan Frontier (D22) | 1998-2016 |
| Nissan 240SX | 1991-1998 |
| Nissan R’nessa (4WD, JDM) | 1997-2000 |
| Nissan Presage U30 (JDM) | 1998-2001 |
| Nissan Bassara U30 (JDM) | 1999-2001 |
| Nissan Bluebird U13 | 1993-1997 |
| Isuzu COMO | – |
| Nissan Terrano II | 1993-1996 |
| Nissan Largo | – |
| Nissan Altima (KA24DE-A) | 1993-2001 |
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