The 2.1-liter Peugeot XUD11A or P9A diesel engine was produced from 1990 to 1997 and was installed only on two models of the French concern: Peugeot 605 and Citroen XM. This unit is significantly less common relative to its turbocharged counterparts.
XUD family: XUD7, XUD7TE, XUD9, XUD9SD, XUD9TE, XUD11A, XUD11ATE.
Specifications
| Production years | 1990-1997 |
| Displacement, cc | 2138 |
| Fuel system | prechambers |
| Power output, hp | 82 |
| Torque output, Nm | 145 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 92 |
| Compression ratio | 22.5 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for Peugeot 605 1995) — city — highway — combined |
8.0 5.1 6.7 |
| Engine lifespan, km | ~500 000 |
| Weight, kg | 160 |
The engine was installed on:
- Peugeot 605 I (Y30) in 1991 – 1993;
- Citroen XM in 1990 – 1997.
Disadvantages of the XUD11A engine
- This very reliable and almost omnivorous diesel engine has a resource of under 500,000 km;
- The low location of the expansion tank brings owners a lot of problems;
- At the slightest drop in the level of antifreeze, the motor overheats and breaks through the gasket;
- Change the fuel filter more often, as the Lucas injection pump is difficult to repair;
- This filter must be replaced carefully, it is very easy to break its glass;
- Hydraulic lifters do not tolerate cheap oil and can knock up to 100,000 km;
- The network describes cases of loss of fore-chambers on runs of more than 300 – 400 thousand km.
Frequently asked questions about the Peugeot XUD11A
How much power does the Peugeot XUD11A make?
The Peugeot XUD11A develops 82 hp and 145 Nm of torque.
How much oil does the Peugeot XUD11A take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-40.
Does the Peugeot XUD11A have a timing belt or chain?
The Peugeot XUD11A uses a timing belt.
Is the Peugeot XUD11A turbocharged?
No, the Peugeot XUD11A is naturally aspirated.
Does the Peugeot XUD11A need valve clearance adjustment?
No, the Peugeot XUD11A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot XUD11A last?
The typical lifespan of the Peugeot XUD11A is ~500 000 km with proper maintenance.
What is the fuel consumption of the Peugeot XUD11A?
Peugeot 605 1995: city 8.0, highway 5.1, combined 6.7 L/100 km.
What cars was the Peugeot XUD11A installed on?
Peugeot 605 I (Y30) in 1991 - 1993; Citroen XM in 1990 - 1997.
What are the common problems of the Peugeot XUD11A?
This very reliable and almost omnivorous diesel engine has a resource of under 500,000 km. The low location of the expansion tank brings owners a lot of problems. All known problems.
