Nissan CG13DE

Nissan CG13DE, 1.3 lThe Nissan CG13DE is a 1.3 l (1,275 cc, 77.80 cu in) natural aspirated inline-four gasoline engine from Nissan CG-family. The engine was manufactured from 1992 through 2003.

The CG13DE features an aluminum block and cylinder head with dual overhead camshafts (DOHC) and four valves per cylinder (16 valves in total). The Nissan CG13DE engine is equipped with a multi-point fuel injection system.

Compression ratio rating is 9.5:1. Cylinder bore and piston stroke is 71.0 mm (2.79 in) and 80.5 mm (3.17 in), respectively. The engine has on 9 mm shorter connecting rods than CG10DE. Redline is at 7,300 rpm.

The Nissan CG13DE produced from 79 PS (58 kW, 78 HP) at 6,000 rpm to 82 PS (60 kW, 81 HP) at 6,000 rpm, and from 104 N⋅m (10.6 kg·m, 74.7 lb⋅ft) at 4,000 rpm to 106 N⋅m (10.8 kg·m, 78.2 lb⋅ft) at 4,000 rpm.

The breakdown of the engine code is as follows:

  • CG – Engine Family
  • 13 – 1.3 Liter Displacement
  • D – DOHC (Dual Overhead Camshafts)
  • E – Multi Point Fuel Injection

General information

Engine Specifications
Engine codeCG13DE
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Production1992-2002
Displacement1.3 l, 1,275 cm3 (77.80 cu in)
Fuel systemMulti Point Fuel Injection
Power adderNone
Power output 79 PS (58 kW, 78 HP) at 6,000 rpm
82 PS (60 kW, 81 HP) at 6,000 rpm
Torque output 104 N⋅m (10.6 kg·m, 74.7 lb⋅ft) at 4,000 rpm
106 N⋅m (10.8 kg·m, 78.2 lb⋅ft) at 4,000 rpm
Firing order1-3-4-2
Dimensions (L x W x H):
Weight105 kg (231,5 lbs)

Cylinder block

The Nissan CG13DE has an aluminum block with a five-bearings crankshaft supported system. The cylinder bore is 71.0 mm (2.79 in), piston stroke is 80.5 mm (3.17 in) and compression ratio rating is 9.5:1. The CG13DE motor has two compression and single oil control rings. The connecting rod center distance is 120.7 mm (4.75 in). The crankshaft main journal diameter is 44.97 mm (1.77 in) and crankpin diameter is 39.97 mm (1.53 in), center distance is 42.0 mm (1.65 mm).

Cylinder block
Cylinder block alloyAluminum
Compression ratio:9.5:1
Cylinder bore:71.0 mm (2.79 in)
Piston stroke:63.0 mm (2.48 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):71.000-71.010 mm (2.7952-2.7956 in)
Piston skirt diameter (standard):70.980-70.990 mm (2.7945-2.7949 in)
Piston pin outer diameter:17.994-18.000 mm (0.7084-0.7086 in)
Piston ring side clearance:Top0.050-0.073 mm (0.0020-0.0029 in)
Second0.030-0.070 mm (0.0012-0.0027 in)
Piston ring end gap:Top0.20-0.30 mm (0.0079-0.0118 in)
Second0.30-0.45 mm (0.0118-0.0177 in)
Oil0.25-1.00 mm (0.0098-0.0393 in)
Connecting rod small end diameter:17.962-17.978 mm (0.7071-0.7078 in)
Connecting rod center distance:129.45-129.55 mm (5.096-5.100 in)
Crankshaft main journal diameter:44.97 mm (1.7323 in)
Crankpin diameter:39.97 mm (1.5354 in)
Crankshaft center distance:42.0 mm (1.535 in)

Cylinder head

The cylinder head is made of strong, light aluminum alloy which gives it good cooling efficiency. The Nissan CG13DE engine has a dual overhead camshaft with four valves per cylinder. The camshafts are driven by two-timing chains.

The intake valve diameter is 27.5 mm (1.08 in), the duration is 222°. The exhaust valve diameter is 22.5 mm (0.88 in), the duration is 22°. The CG13DE has the same valves as the CG10DE engine, but other camshafts. The CG13DE engine does not have hydraulic lifters, so special valve lifters are used to adjust the valve clearance.

Cylinder head
Block head alloyAluminium
Valve Arrangement:DOHC, chain drive
Head surface flatnessLess than 0.05 mm (0.002 in)
Valves:16 (4 valves per cylinder)
Intake valve timing222°
Exhaust valve timing:222°
Valve head diameter:INTAKE27.40-27.60 mm (1.078-1.086 in)
EXHAUST22.4-22.6 mm (0.881-0.889 in)
Valve length:INTAKE95.5-96.0 mm (3.7598-3.7795 in)
EXHAUST95.57-96.07 mm (3.7626-3.7823 in)
Valve stem diameter:INTAKE5.465-5.480 mm (0.2151-0.2157 in)
EXHAUST5.445-5.460 mm (0.2148-0.2150 in)
Valve spring free length:40.0 mm (1.5748 in)
Camshaft cam height:INTAKE39.880-40.070 mm (1.5700-1.5775 in)
EXHAUST39.880-40.070 mm (1.5700-1.5775 in)
Camshaft journal diameter:№127.935-27.955 mm (1.0998-1.1005 in)
№2-523.435-23.455 mm (0.9226-0.9234 in)

Head tightening procedure and torque specs:

  • Step 1: 39 Nm; 4.0 kg·m; 29 ft·lb
  • Step 2: 74-83 Nm; 7.5-8.5 kg·m; 55-61 ft·lb
  • Step 3: Loosen all bolts completely
  • Step 4: 30-40 kg·m; 3.1-4.1 kg·m; 22-29 ft·lb
  • Step 5: Turn all bolts 60-65°

Maintenance data

Valve clearance (HOT)
Intake valve0.33-0.41 mm (0.013-0.016 in)
Exhaust valve0.36-0.44 mm (0.014-0.017 in)
Compression pressure
Standard13.5 kg/cm2 / 350 rpm
Minimun11.5 kg/cm2 / 300 rpm
Compression differential limit between cylinders1.0 kg/cm2 / 300 rpm
Oil system
Oil consumption , L/1000 km (qt. per miles)up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil 5W-30, 5W-20, 10W-30, 10W-40
Oil type APISH, SJ
Engine oil capacity (Refill capacity) With filter change 2.9 l
Without filter change 3.1 l
Oil change interval, km (miles)Every 12,000 (7,500)
Oil Pressure, kPa (bar, kg/cm 2) 650-750 rpm: 78.5-117.7 (0.785-1.177, 0.0-1.2)
2,000 rpm: 294.2-411.9 (2.942-4.118, 3-4.2)
Ignition system
Spark plug Standard type: NGK BKR5E-11
Hot type: NGK BKR4E-11
Cold type: NGK BKR6E-11
Spark plug gap1.0-1.1 mm (0.039-0.043 in)

Valve clearance adjustment data

Calculate the thickness of new adjusting valve lifter so valve clearance comes within specified values.

R = Thickness of removed valve lifter
N = Thickness of new valve lifter
M = Measured valve clearance

Intake:
N = R + [M – 0.30 mm (0.012 in)]
Exhaust:
N = R + [M – 0.35 mm (0.014 in)]

Valve lifters are available in 50 sizes from 2.00 mm (0.0787 in) to 2.98 mm (0.1173 in), in steps of 0.02 mm (0.0008 in).

Example (intake valve):
R = 2.10 mm
M = 0.52 mm
N = 2.10 + (0.52 – 0.30) = 2.22 mm, so we need a valve lifter with code TS222.

For adjustingFor checking
ColdHot
Intake0.24-0.32 mm (0.009-0.013 in)0.33-0.41 mm (0.013-0.016 in)
Exhaust0.32-0.40 mm (0.012-0.016 in)0.36-0.44 mm (0.014-0.017 in)

Vehicle applications

ModelYears Produced
Nissan March K111992-2003
Nissan Micra K111992-2003
Nissan Cube Z101998–2000
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