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| Home / Car Engines / Nissan Engines / Nissan CA18ET |
Nissan CA18ET Engine Specifications
The Nissan CA18ET is a turbocharged 1.8 liter (1,809 cc,
110.39 cubic inches) straight-4, four-stroke cycle gasoline engine from
Nissan CA-family. The CA18ET motor was produced from 1984 through 1990.
The engine has SOHC (single overhead camshaft) design with
two valves per cylinder, cast-iron block, and an aluminum cylinder head;
fully balanced five-bearing crankshaft. The engine is equipped with
Multiport Fuel Injection system and single Garrett T2 turbocharger
without an intercooler.
The CA18ET motor has an 83.0 mm (3.268 in) cylinder bore and 83.6 mm
(3.291 in) piston stroke with a compression ratio of 8.0:1. It produced
133 HP (99 kW; 135 PS) of max power at 6,000 rpm and 183 Nm (18.6 kgm;
135.0 lb-ft) of peak torque at 3,600 rpm.
Engine code identification:
CA - Engine Family
18 - 1.8 Liter Displacement
E - Multi Point Fuel Injection
T - Turbocharged
| GENERAL TECHNICAL DATA |
Engine model ............... CA18ET
Cylinder layout ............... Four stroke, Inline-4 (Straight-4)
Fuel type ............... Gasoline
Production years ............... 1984-1990
Total displacement ............... 1.8 L, 1,809 cm3 (110.39 cubic
inches)
Fuel system ............... Multiport Fuel Injection
Power adder ............... Turbocharger Garrett T2
Max. horsepower ............... 133 HP (99 kW; 135 PS) at 6,000 rpm
Max. torque ............... 183 Nm (18.6 kgm; 135.0 lb-ft) at 3,600 rpm
Firing order ............... 1-3-4-2
Dimensions (L x H x W) ............... No data available
Weight ............... No data available
| CYLINDER BLOCK |
The motor has a cast-iron cylinder block. The cylinder
block, a monoblock special casting structure, employs a
five-bearing-support system. The CA18ET 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 8.0:1.
The crankshaft is a special steel forging. Fully balanced, it turns out
smooth, dependable power at high speed. The pistons are each fitted with
two compression rings and a single oil ring. The cylinder block height
is 209.8 mm (8.26 in).
Cylinder block alloy ............... Cast iron
Compression ratio ............... 8.0:1
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) ............... 82.965-83.015 mm
(3.2663-3.2638 in)
Piston pin outer diameter ............... 19.995-20.000 mm
(0.7872-0.7874 in)
Piston ring side clearance ............... Top ...............
0.040-0.073 mm (0.0016-0.0029 in)
Second ............... 0.030-0.063 mm (0.0012-0.0025 in)
Piston ring end gap ............... Top ............... 0.25-0.42 mm
(0.0098-0.0165 in)
Second ............... 0.15-0.31 mm (0.0059-0.0122 in)
Oil ............... 0.20-0.78 mm (0.0079-0.0229 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 |
The cylinder head is made of light and strong aluminum alloy with good
cooling efficiency. The valve system has a rocker arm that is activated
directly by the cam mechanism. The camshaft is driven by a timing belt
driven by the crankshaft. Intake valves are 41.0 mm (1.61 in) in
diameter and the exhaust valves are 35.0 mm (1.37 in). The intake valve
duration is 240 deg, valve lift is 9.0 mm (0.35 in); the exhaust valve
duration is 248 deg, valve lift is 10.0 mm (0.39 in).
Valve Arrangement ............... OHV
Valves ............... 8 (2 valves per cylinder)
Intake/Exhaust duration ............... 240 deg/248 deg
Valve head diameter ............... INTAKE ............... 41.0-41.2 mm
(1.614-1.622 in)
EXHAUST ............... 35.0-35.2 mm (1.378-1.386 in)
Valve length ............... INTAKE ............... 105.48-105.9 mm
(4.1527-4.1693 in)
EXHAUST ............... 106.49-106.91 mm (4.1926-4.2090 in)
Valve stem diameter ............... INTAKE ............... 6.965-6.980
mm (0.2742-0.2748 in)
EXHAUST ............... 6.945-6.960 mm (0.2734-0.2740 in)
Valve spring free length ............... INTAKE ............... Outer:
49.98 mm (1.968 in)
Inner: 44.10 mm (1.736 in)
EXHAUST ............... Outer: 49.98 mm (1.968 in)
Inner: 44.10 mm (1.736 in)
Valve lift ............... INTAKE ............... 9.0 mm (0.354 in)
EXHAUST ............... 10.0 mm (0.394 in)
Camshaft cam height ............... INTAKE ............... 38.240-38.290
mm (1.5055-1.5075 in)
EXHAUST ............... 38.834-38.884 mm (1.5289-1.5309 in)
Outer camshaft journal diameter ............... №1-4 ...............
45.935-45.955 mm (1.8085-1.8092 in)
№5 ............... 45.915-45.935 mm (1.8077-1.8085 in)
TIGHTENING TORQUE SPECS
Tightening torque specs
Cylinder head bolt ............... Step 1: 29 Nm; 3.0 kgm; 22 lb-ft
Step 2: 78 Nm; 8.0 kgm; 58 lb-ft
Step 3: Loosen all bolts completely
Step 4: 29 Nm; 3.0 kgm; 22 lb-ft
Step 4: 74-83 Nm; 7.5-8.5 kgm; 54-61 lb-ft
Connecting rod bearing nuts ............... 32-36 Nm; 3.3-3.7 kgm; 24-27
lb-ft
Flywheel bolt ............... 98-108 Nm; 10.0-11.0 kgm; 72-80 lb-ft
Main bearing cap bolt ............... 44-54 Nm; 4.5-5.5 kgm; 33-40 lb-ft
Camshaft sprocket bolt ............... 78-88 Nm; 8.0-9.0 kgm; 57-65
lb-ft
Oil pan ............... 5-7 Nm; 0.5-0.7 kgm; 3.6-5.1 lb-ft
Oil pump ............... 12-16 Nm; 1.2-1.6 kgm; 9-12 lb-ft
Oil pan drain plug ............... 29-39 Nm; 3.0-4.0 kgm; 22-29 lb-ft
Rocker shaft ............... 18-22 Nm; 1.8-2.2 kgm; 13-16 lb-ft
Rocker arm nut ............... 18-22 Nm; 1.8-2.2 kgm; 13-16 lb-ft
Camshaft locate plate ............... 78-88 Nm; 8.0-9.0 kgm; 58-65 lb-ft
Exhaust manifold ............... 20-29 Nm; 2.0-3.0 kgm; 14-22 lb-ft
Exhaust outlet to turbocharger ............... 20-29 Nm; 2.0-3.0 kgm;
14-22 lb-ft
Fuel injector ............... 2.5-3.2 Nm; 0.25-0.32 kgm; 1.8-2.4 lb-ft
Crank pulley damper bolt ............... 123-132 Nm; 12.6-13.5 kgm;
90-98 lb-ft
| MAINTENANCE DATA |
Valve clearance (HOT)
Intake valve ............... 0.30 mm (0.012 in)
Intake valve ............... 0.30 mm (0.012 in)
Valve clearance (COLD)
Intake valve ............... 0.21 mm (0.008 in)
Exhaust valve ............... 0.23 mm (0.009 in)
Compression pressure
Standard ............... 12.0 kg/cm2 (11.77 bar, 171 psi) / 350 rpm
Minimun ............... 9.0 kg/cm2 (8.83 bar, 128 psi) / 250 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
20W-40
20W-50
Oil type API ............... SF/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)
Oil change interval, km (miles) ............... 12,000 (7,500)
Oil pressure, kg/cm2 (psi) ............... 3.0 (43) at 2,000 rpm
Ignition system
Ignition timing ............... 15 deg B.T.D.C.
Spark plug ............... BCPR6ES-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 kgm;
14-22 lb-ft
| VEHICLE APPLICATIONS |
Model ............... Years Produced
Nissan 200SX Turbo ............... 1984-1988
Nissan Bluebird U11 Turbo ............... 1984-1986
Nissan Bluebird U11 SSS-X ............... 1983-1985
Nissan Silvia ............... 1986-1988
Nissan Bluebird T12/T72 Turbo ............... 1986-1990
Nissan Auster 1.8Xt ............... 1985-1990
Nissan Silvia S12 ............... Mid 1980s
Reliant Scimitar SS1 1800Ti ............... 1986-1990
Reliant Scimitar SST 1800Ti ............... 1990-1992
Nissan Van C22 (Vanette) ............... No data available
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| Engines Technical Specifications |