Engine Peugeot XUD11ATE

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.

The XUD series includes: XUD7, XUD7TE, XUD9, XUD9SD, XUD9TE, XUD11A, XUD11ATE.

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.

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

  • 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.

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