Engine Volkswagen AEX

The 1.4-liter Volkswagen AEX engine was assembled at the company’s factory from 1995 to 1999 and installed on the third Golf, Polo, Caddy or the second generation of the Ibiza model. There was also a modernized version of this unit under its own APQ index.

The EA111-1.4 series includes: AEX, AKQ, AXP, BBY, BCA, BUD, CGGA, CGGB.


Production years 1995-1999
Displacement, cc 1390
Fuel system injector
Power output, hp 60
Torque output, Nm 116
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 76.5
Piston stroke, mm 75.6
Compression ratio 10.2
Features SOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.2
Fuel type petrol
Euro standards EURO 2
Fuel consumption, L/100 km (for VW Golf 3 1997)
— city
— highway
— combined
Engine lifespan, km ~275 000

The engine was installed on:

  • Volkswagen Caddy 2 (9K) in 1995 – 1999;
  • Volkswagen Golf 3 (1H) in 1995 – 1999;
  • Volkswagen Polo 3 (6N) in 1995 – 1999;
  • Seat Ibiza 2 (6K) in 1996 – 1999.

Disadvantages of the VW AEX engine

  • This power unit is simple and reliable, but it is not very convenient to maintain.
  • The most famous engine problem is oil leaks from under the valve covers.
  • The timing belt is famous for its unstable resource, and when it breaks, the valves always bend.
  • Throttle fouling is usually the cause of floating idle.
  • On long runs, owners are faced with the occurrence of rings and oil burners.

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