The 2.1-liter Peugeot XUD11ATE or P8A diesel engine was produced from 1989 to 2000 and was installed on some popular models of the French concern such as 406, 605, 806. This power unit in the EURO 2 version had its own XUD11BTE index.
XUD family: XUD7, XUD7TE, XUD9, XUD9SD, XUD9TE, XUD11A, XUD11ATE.
Specifications
| Production years | 1989-2000 |
| Displacement, cc | 2088 |
| Fuel system | prechambers |
| Power output, hp | 110 |
| Torque output, Nm | 250 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 92 |
| Compression ratio | 21.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 6.0 |
| Fuel type | diesel |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for Peugeot 806 1997) — city — highway — combined |
10.8 6.7 8.2 |
| Engine lifespan, km | ~450 000 |
| Weight, kg | 170 |
The engine was installed on:
- Peugeot 406 I (D8/D9) in 1995 – 1999;
- Peugeot 605 I (Y30) in 1990 – 1999;
- Peugeot 806 I (U60) in 1994 – 1999;
- Citroen Xantia in 1996 – 1999;
- Citroen XM in 1989 – 2000.
Disadvantages of the XUD11ATE engine
- A design flaw is the low location of the expansion tank
- Therefore, sometimes the coolant level drops and breaks through the cylinder head gasket;
- Follow the fuel filter replacement schedule or you will have problems with the injection pump;
- During the installation of the fuel filter, its expensive glass often breaks;
- Hydraulic lifters knock from cheap oil and the turbine quickly fails;
- The electronically controlled injection pump periodically fails, and there are few specialists in it;
- On long runs, the prechambers crack and then they can fall into the cylinders.
Frequently asked questions about the Peugeot XUD11ATE
How much power does the Peugeot XUD11ATE make?
The Peugeot XUD11ATE develops 110 hp and 250 Nm of torque.
How much oil does the Peugeot XUD11ATE take and which one?
Engine oil capacity: 6.0 liters. Recommended oil: 5W-40.
Does the Peugeot XUD11ATE have a timing belt or chain?
The Peugeot XUD11ATE uses a timing belt.
Is the Peugeot XUD11ATE turbocharged?
Yes, the Peugeot XUD11ATE is turbocharged.
Does the Peugeot XUD11ATE need valve clearance adjustment?
No, the Peugeot XUD11ATE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot XUD11ATE last?
The typical lifespan of the Peugeot XUD11ATE is ~450 000 km with proper maintenance.
What is the fuel consumption of the Peugeot XUD11ATE?
Peugeot 806 1997: city 10.8, highway 6.7, combined 8.2 L/100 km.
What cars was the Peugeot XUD11ATE installed on?
Peugeot 406 I (D8/D9) in 1995 - 1999; Peugeot 605 I (Y30) in 1990 - 1999; Peugeot 806 I (U60) in 1994 - 1999; Citroen Xantia in 1996 - 1999; Citroen XM in 1989 - 2000.
What are the common problems of the Peugeot XUD11ATE?
A design flaw is the low location of the expansion tank. Therefore, sometimes the coolant level drops and breaks through the cylinder head gasket. All known problems.
