Nissan KA24E Engine Specs
The Nissan KA24E is a 2.4 l (145.79 cu-in, 2,389 cc) straight-4, four-stroke cycle gasoline engine from Nissan Ka-family. The Nissan KA24E motor was made from 1988 through 1997.
The Nissan KA24E engine delivered 143 PS (105 kW; 140 Horsepower) at 5,600 rpm of horsepower and 206 Nm (21.0 kg·m; 152.0 ft·lb) at 4,400 rpm of torque.
The Nissan KA24E engine has a single overhead camshaft (SOHC) design with 12 valves (3 per cylinder).
The Nissan KA24E engine used an aluminum cylinder head and cast-iron cylinder block. The Nissan KA24E engine is fitted with an ignition timing control system and EGR system, Hitachi sequential electronic fuel injection system.
The compression ratio is 8.6:1 or 9.1:1 for the early 1989 Nissan 240SX. An 89 mm (3.5 in) cylinder bore and 96 mm (3.78 in) piston stroke give the motor a total of 2,389 cc of displacement.
Nissan KA24E (2.4 L, 12 valves, SOHC) Engine Specs
Engine Specifications
| Engine code | KA24E |
| Layout | Four stroke, Inline-4 (Straight-4) |
| Fuel type | Gasoline |
| Production | 1988-1997 |
| Displacement | 2.4 L, 2,389 cm3 (145.79 cu in) |
| Fuel system | Electronic fuel injection system |
| Power adder | None |
| Max. horsepower | 136 PS (100 KW; 134 HP) at 5,200 rpm 143 PS (105 KW; 140 HP) at 5,600 rpm |
| Max. torque | 206 Nm (21.0 kg·m; 152.0 ft·lb) at 4,400 rpm 209 Nm (21.3 kg·m; 154.2 ft·lb) at 3,600 rpm |
| Firing order | 1-3-4-2 |
| Dimensions (L x H x W): | – |
| Weight | – |
Cylinder head
| Valve Arrangement: | SOHC, chain drive | |
| Valves: | 12 (3 valves per cylinder) | |
| Intake/Exhaust duration: | All models: 240°/248° SUV: 232°/232° |
|
| Valve head diameter: | INTAKE | 34.0-34.2 mm (1.339-1.346 in) |
| EXHAUST | 40.0-40.2 mm (1.575-1.583 in) | |
| Valve length: | INTAKE | 119.9-120.2 mm (4.720-4.732 in) |
| EXHAUST | 120.67-120.97 mm (4.7508-4.7626) in) | |
| Valve stem diameter: | INTAKE | 6.965-6.980 mm (0.2742-0.2748 in) |
| EXHAUST | 7.948-7.960 mm (0.3129-0.3134 in) | |
| Valve spring free length: | INTAKE | Outer: 57.44 mm (2.2614 in) Inner: 53.34 mm (2.1000 in) |
| EXHAUST | Outer: 53.21 mm (2.0949 in) Inner: 47.95 mm (1.8878 in) |
|
| Valve lift: | INTAKE | 10.4 mm (0.409 in) |
| EXHAUST | 10.4 mm (0.409 in) | |
| Camshaft cam height: | INTAKE | 44.839-45.029 mm (1.7653-1.7728 in) |
| EXHAUST | 44.839-45.029 mm (1.7653-1.7728 in) | |
| Outer camshaft journal diameter: | 32.935-32.955 mm (1.2967-1.2974 in) | |
Head tightening procedure and torque specs:
- Step 1: 29 Nm; 3.0 kg·m; 22 ft·lb
- Step 2: 78 Nm; 8.0 kg·m; 58 ft·lb
- Step 3: Loosen all bolts completely
- Step 4: 29 Nm; 3.0 kg·m; 22 ft·lb
- Step 5: Turn all bolts 80-85° or to 74-83 Nm; 7.5-8.5 kg·m; 54-61 ft·lb
Camshaft sprocket bolt
- 118-157 Nm; 12-16 kg·m; 87-116 ft·lb
Cylinder block
| Cylinder block alloy | Cast iron | |
| Compression ratio: | 8.6:1 or 9.1:1 | |
| Cylinder bore: | 89.0 mm (3.50 in) | |
| Piston stroke: | 96.0 mm (3.78 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Number of main bearings: | 5 | |
| Cylinder inner diameter (standard): | 89.000-89.010 mm (3.5039-3.5043) in) | |
| Piston skirt diameter (standard): | 88.970-88.980 mm (3.5027-3.5031 in) | |
| Piston pin outer diameter: | 20.989-21.001 mm (0.8263.0.8268 in) | |
| Piston ring side clearance: | Top | 0.040-0.080 mm (0.0016-0.0031 in) |
| Second | 0.030-0.070 mm (0.0012-0.0028 in) | |
| Oil | 0.065-0.135 mm (0.0026-0.0053) in) | |
| Piston ring end gap: | Top | 0.28-0.43 mm (0.0110-0.0169 in) |
| Second | 0.45-0.60 mm (0.0177-0.0236 in) – R or T 0.55-0.70 mm (0.0217-0.0276 in) – N |
|
| Oil | 0.20-0.60 mm (0.0079-0.0236 in) | |
| Connecting rod center distance: | 164.95-165.05 mm (6.4941-6.4980 in) | |
| Crankshaft journal diameter: | 59.967-59.975 mm (2.3609-2.3612 in) | |
| Crankpin diameter: | 49.968-49.974 mm (1.9672-1.9675 in) | |
| Crankshaft center distance: | 47.97-48.03 mm (1.8886-1.8909 in) | |
main bearing beam bolts tightening procedure and torque specs:
- 46-52 Nm; 4.7-5.3 kg·m; 34-38 ft·lb in two-three stages
After securing bearing cap bolts, make sure crankshaft turns smoothly by hand.
Connecting rod bearing nut
- Step 1: 14-16 Nm; 1.4-1.6 kg·m; 10-12 ft·lb
- Step 2: Turn nuts 60-65°
Crankshaft pulley bolt
- 118-157 Nm; 12-16 kg·m; 87-116 ft·lb
Flywheel (M/T) or Drive plate (A/T) fixing bolts
- 93-103 Nm; 9.5-10.5 kg·m; 69-76 ft·lb
Maintenance Data
| Compression pressure | |
| Standard | 13.5 kg/cm2 (192 psi) / 300 rpm |
| Minimun | 10.0 kg/cm2 (142 psi) / 300 rpm |
| Differential limit between cylinders | 1.0 kg/cm2 (14 psi) / 300 rpm |
| Oil system | |
| Oil consumption , L/1000 km (qt. per miles) | up to 0.5 (1 qt. per 1200 miles) |
| Recommended engine oil | 10W-30 |
| Oil type API | SF or SG |
| Engine oil capacity (Refill capacity) | With oil filter: 3.5 l Without oil filter: 3.2 l |
| Oil change interval, km (miles) | 12,000 (7,500) |
| Oil pressure | 4.2-4.9 kg/cm2 (49.8-56.9 psi) at 3,000 rpm |
| Ignition system | |
| Spark plug | Standard type: ZFR5D-11 (NGK) Hot type: ZFR4D-11 (NGK) Cold type: ZFR6D-11 (NGK) |
| Spark plug gap | 1.0-1.1 mm (0.039-0.043 in) |
| Spark plug tightening torque | 20-29 Nm; 2.0-3.0 kg·m; 14-22 ft·lb |
Vehicle Applications
| Model | Years Produced |
| Nissan 240SX | 1989–1990 |
| Nissan D21 Truck | 1990–1997 |
| Nissan D22 Navara | 1997-1999 |
| Nissan Pathfinder | 1990-1995 |
| Nissan Axxess | 1989–1995 |
| Nissan Prairie | 1989–1995 |
| Nissan Stanza | 1990–1992 |
| Nissan Pintara | 1989–1992 |
| Ford Corsair | 1989–1992 |
| Nissan Terrano II | 1993-1996 |
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Final Words
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