The Jaguar AJD 2.7-liter V6 diesel engine was produced by the concern from 2003 to 2009 and was installed on a number of well-known models of the British company, such as the XJ, XF and S-Type. A similar power unit was installed on Land Rover SUVs under its index 276DT. This motor is a kind of diesel 2.7 HDi.
Specifications
| Production years | 2003-2009 |
| Displacement, cc | 2720 |
| Fuel system | Common Rail |
| Power output, hp | 207 |
| Torque output, Nm | 435 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 88 |
| Compression ratio | 17.3 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chains & belt |
| Phase regulator | no |
| Turbocharging | two Garrett GTA1544VK |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Jaguar XJ 2008) — city — highway — combined |
10.8 6.5 8.1 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 230 |
The engine was installed on:
- Jaguar S-Type 1 (X200) in 2004 – 2007;
- Jaguar XF 1 (X250) in 2008 – 2009;
- Jaguar XJ 7 (X350) in 2003 – 2009.
Disadvantages of the Jaguar AJD engine
- The most troublesome thing here is the Siemens fuel system with piezo injectors;
- There is also rapid wear of the liners, up to the wedge and crankshaft breakage;
- Another massive problem is oil leaks, especially through the heat exchanger;
- The timing belt changes every 120 thousand kilometers or, with its breakage, the valves will bend;
- The weak points of this motor include the thermostat, EGR valve and crankshaft oil seals.
Frequently asked questions about the Jaguar AJD
How much power does the Jaguar AJD make?
The Jaguar AJD develops 207 hp and 435 Nm of torque.
How much oil does the Jaguar AJD take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 5W-40.
Does the Jaguar AJD have a timing belt or chain?
Timing drive of the Jaguar AJD: chains & belt.
Is the Jaguar AJD turbocharged?
Yes, the Jaguar AJD is turbocharged (two Garrett GTA1544VK).
Does the Jaguar AJD need valve clearance adjustment?
No, the Jaguar AJD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Jaguar AJD last?
The typical lifespan of the Jaguar AJD is ~240 000 km with proper maintenance.
What is the fuel consumption of the Jaguar AJD?
Jaguar XJ 2008: city 10.8, highway 6.5, combined 8.1 L/100 km.
What cars was the Jaguar AJD installed on?
Jaguar S-Type 1 (X200) in 2004 - 2007; Jaguar XF 1 (X250) in 2008 - 2009; Jaguar XJ 7 (X350) in 2003 - 2009.
What are the common problems of the Jaguar AJD?
The most troublesome thing here is the Siemens fuel system with piezo injectors. There is also rapid wear of the liners, up to the wedge and crankshaft breakage. All known problems.





