Nissan CA18DET Engine Specs, Problems And Reliability

CA18DE is a 1.8L (1,809 cubic centimeters, 110.39 cubic inches) inline-4, 4-cycle gasoline motor of the Nissan CA series, manufactured from 1987 to 1989.

CA18DE features a DOHC system with 4 valves for each cylinder, a block of cast iron, an aluminum cylinder head, plus a well-balanced 5-bearing crankshaft. The motor keeps a Multiport Fuel Injection system.

It owns a cylinder block of cast iron 204.8 millimeters (8.06 inches) wide, a monoblock with a specific casting texture, with a 5-bearing support system. Having a cylinder bore of 83 millimeters (3.268 inches) and a piston stroke of 83.6 millimeters (3.291 inches), it reaches a compression index equal to 10.0:1. Every piston keeps two compression rings and one oil ring. Capacity is 132 hp (99KW or 134 PS) at 6,400 rpm and a torque of 159 Nm (16.2 kg/m; 117.3 ft/lb) at 5,200 rpm.

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
  • T – Turbocharged

CA18DET Specs

Engine codeCA18DET
LayoutFour-stroke, Inline-4 (Straight-4)
Fuel typeGasoline
Displacement1.8 L, 1,809 cm3 (110.39 cu in)
Fuel systemMultiport Fuel Injection
Power adderTurbocharger Garrett T25
Max. horsepowerWithout intercooler:
145 PS (107 KW; 143 HP) at 6,400 rpm
160 PS (118 KW; 158 HP) at 6,400 rpm
With intercooler:
175 PS (129 KW; 173 HP) at 6,400 rpm
185 PS (136 KW; 182 HP) at 6,400 rpm
Max. torqueWithout intercooler:
201 Nm (20.5 kg·m; 148.3 ft·lb) at 4,000 rpm
211 Nm (21.5 kg·m; 155.7 ft·lb) at 4,000 rpm
With intercooler:
226 Nm (23.0 kg·m; 166.8 ft·lb) at 4,000 rpm
240 Nm (24.5 kg·m; 177.1 ft·lb) at 4,000 rpm
Firing order1-3-4-2
Dimensions (L x H x W):
Compression pressure
Standard12.0 kg/cm2 (11.77 bar, 171 psi) / 350 rpm
Minimun10.0 kg/cm2 (9.81 bar, 142 psi) / 250 rpm
Oil system
Oil consumption, L/1000 km (qt. per mile)up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil10W-30
Oil type APISF/CC or SF/CD
Engine Oil Capacity (Refill capacity)With oil filter: 3.5 l (3-1/8 qt)
Without oil filter: 3.1 l (2-3/4 qt)
Oil change interval, km (miles)6,000 (3,500)
Ignition system
Spark plugWith catalyzer: Platinum-tipped type BCPR6-11 (NGK)
Without catalyzer: BCPR6ES-11 (NGK)
Spark plug gap1.0-1.1 mm (0.039-0.043 in)
Spark plug tightening torque20-29 Nm; 2.0-3.0 kg·m; 14-22 ft·lb

What Cars Have A CA18DET?

  • 1987-1988 Silvia S12 RS-X
  • 1989-1990 Nissan Silvia/180SX S13 (International market)
  • 1987-1989 Nissan Bluebird RNU12 SSS ATTESA Limited (Japanese Market)
  • 1989-1994 Nissan 200SX RS13-U Europe.
  • 1985-1990 Nissan Auster “1.8Xtt” and “Euroform Twincam Turbo”

Nissan CA18ET Engine Oil Capacity

The Nissan 1.8 CA18DET requires 4 quarts of 10W-30 oil with a filter replacement.

Nissan CA18DET Engine Problems And Reliability

CA18DET, a turbo version of the mentioned above the motor, is a 1.8L (1,809 cubic centimeters, 110.39 cubic inches) inline-four, 4-cycle gasoline engine released by Nissan in 1985-1994.

This engine features DOCH system with 4 valves for the cylinder, a block of cast iron, and an aluminum cylinder head. Having a Multiport Fuel Injection system, CA18DET utilizes a Garrett T25 turbocharger. Moreover, it has 2 modifications:  featuring an intercooler or not. Like its non-turbo variation, this motor features a cylinder bore of 83 millimeters (3.268 inches) plus a piston stroke of 83.6 millimeters (3.291 inches). The compression rate equals 8.5:1.

The aluminum alloy cylinder head keeps great cooling performance. The crankshaft controls the timing belt, which drives the camshaft. The size of intake valves is 34.0-34.2 millimeters (1.339-1.346 inches) while exhaust ones are 28.0-28.2 millimeters (1.102-1.110 inches). The intake valve has a duration of 240 degrees and lift 7.8 millimeters (0.307 inches). The exhaust valve has a duration of 248 degrees and lift 8.5 millimeters (0.335 inches). Besides, the motor features hydraulic valve lifters.

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