The 2.1-liter Peugeot XUD11ATE, also known as P8A, diesel engine was manufactured between 1989 and 2000 and was fitted to several of the company’s well-known models, including the 406, 605, and 806. In the EURO 2 version, this power unit had its own XUD11BTE index.
XUD7, XUD7TE, XUD9, XUD9SD, XUD9TE, XUD11A, and XUD11ATE are all part of the XUD series.
The engine was mounted 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.
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 |
Disadvantages of the XUD11ATE engine
The expansion tank’s low location is a design flaw.
As a result, occasionally the coolant level falls and the cylinder head gasket breaks;
You will experience injection pump issues if you don’t adhere to the fuel filter replacement schedule;
The costly glass of the fuel filter frequently breaks during installation;
Cheap oil causes hydraulic lifters to knock, and the turbine rapidly fails;
Few experts operate the electronically controlled injection pump, which occasionally malfunctions. During extended runs, the prechambers may crack and fall into the cylinders.