Nissan CA18DE

Nissan CA18DE engineThe Nissan CA18DE is a 1.8 liter (1,809 cc, 110.39 cu in) straight-4, four-stroke cycle gasoline engine from Nissan CA-family. The CA18DE motor was produced from 1987 through 1989.

The Nissan CA18DE engine has DOHC (double overhead camshaft) design with four valves per cylinder (16 valves in total), cast-iron block and an aluminum cylinder head; fully balanced five-bearing crankshaft. The engine is equipped with Multiport Fuel Injection system.

The CA18DE motor has an 83.0 mm (3.268 in) cylinder bore and 83.6 mm (3.291 in) piston stroke with a compression ratio rating of 10.0:1. It produced 134 PS (99 kW; 132 HP) at 6,400 rpm of horsepower and 159 Nm (16.2 kg·m; 117.3 ft·lb) at 5,200 rpm of torque.

The breakdown of the engine code is as follows:

  • CA – Engine Family
  • 18 – 1.8 Liter Displacement
  • D – DOHC (Dual Overhead Camshafts)
  • E – Multi Point Fuel Injection

General information

Engine Specifications
Engine codeCA18DE
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline
Displacement1.8 L, 1,809 cm3 (110.39 cu in)
Fuel systemMultiport Fuel Injection
Power adderNone
Max. horsepower134 PS (99 KW; 132 HP) at 6,400 rpm
Max. torque159 Nm (16.2 kg·m; 117.3 ft·lb) at 5,200 rpm
Firing order1-3-4-2
Dimensions (L x H x W):

Cylinder block

The Nissan CA18DE motor has a cast-iron cylinder block. The cylinder block, a monoblock special casting structure, employs a five-bearing-support system. The CA18DE engine cylinder bore is 83.0 mm (3.268 in) and the piston stroke is 83.6 mm (3.291 in), compression ratio rating is 10.0:1.

Each piston is fitted with two compression rings and a single oil ring. The cylinder block height is 204.8 mm (8.06 in).

Cylinder block
Cylinder block alloyCast iron
Compression ratio:10.0:1
Cylinder bore:83.0 mm (3.268 in)
Piston stroke:83.6 mm (3.291 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):83.000-83.050 mm (3.2677-3.2697 in)
Piston skirt diameter (standard):82.975-83.025 mm (3.2667-3.2687 in)
Piston pin outer diameter:19.995-20.000 mm (0.7872-0.7874 in)
Piston ring side clearance:Top0.040-0.073 mm (0.0016-0.0029 in)
Second0.030-0.063 mm (0.0012-0.0025 in)
Oil0.025-0.085 mm (0.0010-0.0033 in)
Piston ring end gap:Top0.22-0.39 mm (0.0087-0.0154 in)
Second0.19-0.45 mm (0.0075-0.0177 in)
Oil0.20-0.76 mm (0.0079-0.0299 in)
Connecting rod center distance:132.95-133.05 mm (5.2342-5.2382 in)
Crankshaft journal diameter:52.951-52.964 mm (2.0847-2.0852 in)
Crankpin diameter:44.961-44.974 mm (1.7701-1.7706 in)
Crankshaft center distance:41.77-41.83 mm (1.6445-1.6468 in)

Cylinder head

Cylinder head
Valve Arrangement:DOHC
Valves:16 (4 valves per cylinder)
Intake/Exhaust duration:
Valve head diameter:INTAKE34.0-34.2 mm (1.339-1.346 in)
EXHAUST28.0-28.2 mm (1.102-1.110 in)
Valve length:INTAKE88.8-89.0 mm (3.496-3.504 in)
EXHAUST89.2-89.4 mm (3.512-3.520 in)
Valve stem diameter:INTAKE5.965-5.980 mm (0.2348-0.2354 in)
EXHAUST5.945-5.960 mm (0.2341-0.2346 in)
Valve spring free length:INTAKE43.10 mm (1.697 in)
EXHAUST43.10 mm (1.697 in)

Maintenance data

Compression pressure
Standard14.0 kg/cm2 (199 psi) / 350 rpm
Minimun12.0 kg/cm2 (171 psi) / 350 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 APISF/CC or SF/CD
Engine oil capacity (Refill capacity) With oil filter: 3.6 l (3-7/8 US qt, 3-1/8 Imp qt)
Without oil filter: 3.2 l (3-3/8 US qt, 2-7/8 Imp qt)

Vehicle applications

ModelYears Produced
Nissan Pulsar NX SE (USA and Canada)
Nissan EXA (Australia and Japan)
Nissan Skyline 1800I (HR31),(Japan)1985-1991
Nissan Silvia (S13)1989-1990
Nissan Sunny N13 (UK)
Nissan Sunny B12 Coupe (UK)
Nissan Bluebird T72 (UK)
Nissan Bluebird1987-1989
Nissan Auster1985-1990
Nissan EXA (Australia)1988-1991
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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