Nissan KA24E (2.4 L, 12 valves, SOHC) Engine Specs, Review, Power & Torque

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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.

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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 Engine Specs

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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

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  • 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

Also Check:

Final Words

This concludes our discussion of the Nissan KA24E engine specs and review; however, if you have any questions regarding this article, please submit them in the comment section below. We will do our best to respond to you as soon as possible.

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