The 1.8-liter Volkswagen AGU 1.8T engine was produced by the concern from 1996 to 2005 and was installed on such popular models as the fourth Golf, the first Octavia and the Audi A3. This transverse power unit, along with the longitudinal AEB, has a cylinder head with wide channels.
EA113-1.8T family: AGU, AWT, AMB, AWM, AUQ, AWC.
Specifications
| Production years | 1996-2005 |
| Displacement, cc | 1781 |
| Fuel system | injector |
| Power output, hp | 150 |
| Torque output, Nm | 210 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 20v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 86.4 |
| Compression ratio | 9.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain & belt |
| Phase regulator | no |
| Turbocharging | KKK K03 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for VW Bora 2002) — city — highway — combined |
10.7 6.2 7.9 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 150 |
The engine was installed on:
- Audi A3 1 (8L) in 1996 – 2003;
- Skoda Octavia 1 (1U) in 1998 – 2004;
- Volkswagen Beetle 1 (9C) in 1998 – 2000;
- Volkswagen Bora 1 (1J) in 2000 – 2005;
- Volkswagen Golf 4 (1J) in 1997 – 2003.
Disadvantages of the VW AGU engine
- An engine turbocharger can fail very quickly with a clogged catalyst;
- The crankcase ventilation system causes many problems, especially its often cracked pipes;
- Due to air leaks in the intake manifold, the engine speed is constantly floating;
- The oil pump and timing chain tensioner have a very limited resource here;
- The cause of unstable engine operation is often a failure of the mass air flow sensor or coolant temperature sensor.
Frequently asked questions about the Volkswagen AGU
How much power does the Volkswagen AGU make?
The Volkswagen AGU develops 150 hp and 210 Nm of torque.
How much oil does the Volkswagen AGU take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Volkswagen AGU have a timing belt or chain?
Timing drive of the Volkswagen AGU: chain & belt.
Is the Volkswagen AGU turbocharged?
Yes, the Volkswagen AGU is turbocharged (KKK K03).
Does the Volkswagen AGU need valve clearance adjustment?
No, the Volkswagen AGU has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volkswagen AGU last?
The typical lifespan of the Volkswagen AGU is ~320 000 km with proper maintenance.
What is the fuel consumption of the Volkswagen AGU?
VW Bora 2002: city 10.7, highway 6.2, combined 7.9 L/100 km.
What cars was the Volkswagen AGU installed on?
Audi A3 1 (8L) in 1996 - 2003; Skoda Octavia 1 (1U) in 1998 - 2004; Volkswagen Beetle 1 (9C) in 1998 - 2000; Volkswagen Bora 1 (1J) in 2000 - 2005; Volkswagen Golf 4 (1J) in 1997 - 2003.
What are the common problems of the Volkswagen AGU?
An engine turbocharger can fail very quickly with a clogged catalyst. The crankcase ventilation system causes many problems, especially its often cracked pipes. All known problems.





