The Jaguar AJ30 3.0-liter gasoline engine was produced by the company from 1999 to 2011 and was installed on such popular models of the British concern as the X-Type, S-Type or XF. This power unit belonged to the Duratec V6 family and, in addition to the Jaguars, was installed on the Lincoln LS.
AJ-V6 family: AJ20, AJ25, AJ30.
Specifications
| Production years | 1999-2011 |
| Displacement, cc | 2967 |
| Fuel system | distributed injection |
| Power output, hp | 230 – 240 |
| Torque output, Nm | 280 – 300 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 79.5 |
| Compression ratio | 10.5 |
| Features | DAMB |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | on the intake shaft |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Jaguar S-Type 2005) — city — highway — combined |
15.3 8.0 10.7 |
| Engine lifespan, km | ~370 000 |
| Weight, kg | 175 |
The engine was installed on:
- Jaguar S-Type 1 (X200) in 1999 – 2007;
- Jaguar X-Type 1 (X400) in 2001 – 2009;
- Jaguar XF 1 (X250) in 2008 – 2011;
- Jaguar XJ 7 (X350) in 2003 – 2009;
- Lincoln LS in 1999 – 2006.
Disadvantages of the Jaguar AJ30 engine
- This motor is highly reliable, but spare parts for it are expensive.
- The main problems are associated with suction in the intake due to cracked gaskets.
- Also, the electric drive for changing the intake geometry is characterized by low reliability.
- If you do not regularly clean the crankcase ventilation valve here, then the oil will press from all the cracks.
- On runs over 200 thousand km, lubricant consumption may appear due to the occurrence of rings.
Frequently asked questions about the Jaguar AJ30
How much power does the Jaguar AJ30 make?
The Jaguar AJ30 develops 230 - 240 hp and 280 - 300 Nm of torque.
How much oil does the Jaguar AJ30 take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 5W-30.
Does the Jaguar AJ30 have a timing belt or chain?
The Jaguar AJ30 uses a timing chain.
Is the Jaguar AJ30 turbocharged?
No, the Jaguar AJ30 is naturally aspirated.
Does the Jaguar AJ30 need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Jaguar AJ30 last?
The typical lifespan of the Jaguar AJ30 is ~370 000 km with proper maintenance.
What is the fuel consumption of the Jaguar AJ30?
Jaguar S-Type 2005: city 15.3, highway 8.0, combined 10.7 L/100 km.
What cars was the Jaguar AJ30 installed on?
Jaguar S-Type 1 (X200) in 1999 - 2007; Jaguar X-Type 1 (X400) in 2001 - 2009; Jaguar XF 1 (X250) in 2008 - 2011; Jaguar XJ 7 (X350) in 2003 - 2009; Lincoln LS in 1999 - 2006.
What are the common problems of the Jaguar AJ30?
This motor is highly reliable, but spare parts for it are expensive. The main problems are associated with suction in the intake due to cracked gaskets. All known problems.
