The 4.2-liter Volkswagen AXQ or Touareg V8 4.2 engine was produced from 2002 to 2006 and was installed on the first generation of the popular Touareg SUV before restyling. After restyling, this engine gave way to a direct fuel injection engine with the BAR index.
3.7-4.2 V8 EA824 family: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR.
Specifications
| Production years | 2002-2006 |
| Displacement, cc | 4172 |
| Fuel system | distributed injection |
| Power output, hp | 310 |
| Torque output, Nm | 410 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 40v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 93 |
| Compression ratio | 11.0 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt & 2 chains |
| Phase regulator | yes |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.5 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for VW Touareg 2004) — city — highway — combined |
20.3 11.1 14.8 |
| Engine lifespan, km | ~280 000 |
| Weight, kg | 199 |
The engine was installed on:
- Volkswagen Touareg 1 (7L) in 2002 – 2006.
Disadvantages of the VW AXQ engine
- It’s an aluminum block, but scuffing is rare with normal maintenance;
- But if you save on oil and allow frequent overheating of the engine, then they will appear;
- The main problems here are associated with unreliable timing chain tensioners;
- You also need to monitor the condition of the timing belt, since with its breakage the valves bend;
- Lubrication leaks often occur here, and especially at the junction of the motor and gearbox.
Frequently asked questions about the Volkswagen AXQ
How much power does the Volkswagen AXQ make?
The Volkswagen AXQ develops 310 hp and 410 Nm of torque.
How much oil does the Volkswagen AXQ take and which one?
Engine oil capacity: 7.5 liters. Recommended oil: 5W-30.
Does the Volkswagen AXQ have a timing belt or chain?
Timing drive of the Volkswagen AXQ: belt & 2 chains.
Is the Volkswagen AXQ turbocharged?
No, the Volkswagen AXQ is naturally aspirated.
Does the Volkswagen AXQ need valve clearance adjustment?
No, the Volkswagen AXQ has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volkswagen AXQ last?
The typical lifespan of the Volkswagen AXQ is ~280 000 km with proper maintenance.
What is the fuel consumption of the Volkswagen AXQ?
VW Touareg 2004: city 20.3, highway 11.1, combined 14.8 L/100 km.
What cars was the Volkswagen AXQ installed on?
Volkswagen Touareg 1 (7L) in 2002 - 2006.
What are the common problems of the Volkswagen AXQ?
It's an aluminum block, but scuffing is rare with normal maintenance. But if you save on oil and allow frequent overheating of the engine, then they will appear. All known problems.
