Engine Volkswagen AET

The 2.5-liter VW AET or T4 2.5 gasoline engine was produced by the concern from 1996 to 2003 and was installed on the fourth generation Transporter, Caravelle, Multivan and California after restyling. There are also updated modifications of this power unit under the APL and AVT indices.

Gasoline engines of the EA153 series: AAF, AET.


Production years 1996-2003
Displacement, cc 2461
Fuel system distributed injection
Power output, hp 115
Torque output, Nm 200
Cylinder block cast iron R5
Block head aluminum 10v
Cylinder bore, mm 81
Piston stroke, mm 95.5
Compression ratio 10.0
Features SOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-40
Engine oil capacity, liter 5.0
Fuel type petrol
Euro standards EURO 2/3
Fuel consumption, L/100 km (for VW Transporter 1998)
— city
— highway
— combined
Engine lifespan, km ~400 000
Weight, kg 180

The engine was installed on:

  • Volkswagen Transporter T4 (7D) in 1996 – 2003.

Disadvantages of the VW AET engine

  • This is a very reliable unit and owners often only complain about high consumption.
  • Instead of the capricious Digifant, there is Simos and there are no problems with gas equipment.
  • There are many complaints on specialized forums about the loss of a spark and other failures in the ignition system.
  • The cause of engine malfunctions is often a broken wiring of one of the sensors.
  • The timing belt and auxiliary units can also fly off, but the valves do not bend here.

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