The Mazda AJ-DE 3.0-liter V6 gasoline engine was produced by the company from 2000 to 2007 and was installed on many concern models for the American market, such as 6, MPV or Tribute. In its design, this power unit is similar to the Ford REBA engine, as well as the Jaguar AJ30.
Mazda V6 family: GY-DE, AJ-DE, AJ-VE.
Specifications
| Production years | 2000-2007 |
| Displacement, cc | 2967 |
| Fuel system | distributed injection |
| Power output, hp | 200 – 220 |
| Torque output, Nm | 260 – 270 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 79.5 |
| Compression ratio | 10 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.7 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Mazda MPV 2005) — city — highway — combined |
15.0 9.5 11.9 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 175 |
The engine was installed on:
- Mazda 6 I (GG) in 2003 – 2007;
- Mazda MPV LW in 2002 – 2006;
- Mazda Tribute EP in 2000 – 2006.
Disadvantages of the Mazda AJ-DE engine
- This unit is famous for its high reliability, but also for its impressive fuel consumption;
- Monitor the condition of the mesh in the tank or your fuel pump will quickly fail;
- The water pump serves relatively little here, and radiators also regularly flow;
- Often there are lubricant leaks in the area of the oil pan and from under the cylinder head covers;
- After 200,000 km, oil consumption often appears due to the occurrence of piston rings.
Frequently asked questions about the Mazda AJ-DE
How much power does the Mazda AJ-DE make?
The Mazda AJ-DE develops 200 - 220 hp and 260 - 270 Nm of torque.
How much oil does the Mazda AJ-DE take and which one?
Engine oil capacity: 5.7 liters. Recommended oil: 5W-30.
Does the Mazda AJ-DE have a timing belt or chain?
The Mazda AJ-DE uses a timing chain.
Is the Mazda AJ-DE turbocharged?
No, the Mazda AJ-DE is naturally aspirated.
Does the Mazda AJ-DE need valve clearance adjustment?
No, the Mazda AJ-DE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mazda AJ-DE last?
The typical lifespan of the Mazda AJ-DE is ~400 000 km with proper maintenance.
What is the fuel consumption of the Mazda AJ-DE?
Mazda MPV 2005: city 15.0, highway 9.5, combined 11.9 L/100 km.
What cars was the Mazda AJ-DE installed on?
Mazda 6 I (GG) in 2003 - 2007; Mazda MPV LW in 2002 - 2006; Mazda Tribute EP in 2000 - 2006.
What are the common problems of the Mazda AJ-DE?
This unit is famous for its high reliability, but also for its impressive fuel consumption. Monitor the condition of the mesh in the tank or your fuel pump will quickly fail. All known problems.
