Citroën Xantia

since 1993 release

Repair and operation of the car



Citroën Xantia
+ Introduction
+ Operation manual
+ Routine maintenance
+ Repair of the engine
+ Cooling systems, heating
- Power supply system and release
   + A power supply system - petrol models
   + A power supply system - diesel models
   + Systems of decrease in toxicity and production of the fulfilled gases
+ Engine electric equipment
+ Coupling
+ Transmission
+ Power shafts
+ Uniform hydraulic system
+ Brake system
+ Running gear and steering
+ Body and finishing of salon
+ Onboard electric equipment
+ Schemes of electric equipment


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Power supply system and release

Specifications

Petrol models with the distributed fuel injection

General parameters

System type

Models of 1.6 l

Magneti-Marelli 8P

Models of 1.8 l

Bosch Motronic of MP5.1 (AT) or Magneti-Marelli 8P (AT)

Models of 2.0 l

   •  R6D and RFX (8 valves)

Magneti-Marelli 8P

   •  RFY (16 valves)

Bosch Motronic MP3.2

Type of the fuel pump

Electric, submersible

Constant adjustable pressure of the fuel pump (at single turns)

bar

Bosch system

3.0 ± 0.2

Magneti-Marelli system

2.5 ± 0.2

Turns of idling, rpm

850 ± 50 (to adjustment are not subject, ECU are controlled)

WITH mix of idling, %

No more than 0.4 (to adjustment is not subject, ECU is controlled)

The recommended fuel grade

AI (RON) 95, unleaded

Efforts of tightening of threaded connections, Nanometer

Bolt of fastening of the fuel tank

28

Nuts of fastening of the inlet pipeline

20

Nuts of fastening of a final collector

35

Diesel models

General parameters

System type

The fuel tank located in a back part of the car; the fuel pump of high pressure (FPHP) of distributive type with the built-in giving pump; indirect injection; a turbocompressor with the built-in cooler (at the corresponding complete set).

Ignition order

1-3-4-2 (No. 1 - the next to a flywheel / to a driving disk)

Maximum admissible frequency of rotation of the engine

rpm

D9B engines without turbo-supercharging

5150 ± 125

D8B engines with a turbo-supercharging

5100 ± 80

Turns of idling, rpm

800 +0, 800 - 50

with climate control

800 +0, 800 - 50

Turns of bystry idling

rpm

All models

950 ± 50

TNVD

Lucas (D9B engines [XUD 9A/L])

Direction of rotation

Clockwise, looking from the drive

Number of the pump

XUD 101-8443B952B

Static moment of injection

Position of the engine

The piston of the fourth cylinder in the provision of VMT

Pump piston stroke

It is designated on the pump (see the text)

Dynamic adjustment

12 ° ± 1 °

Bosch (models without turbo-supercharging)

Direction of rotation (all engines)

Clockwise, looking from the drive

Number TNVD

XUD 9A/L engine

VER 425.1 201

XUD 9Y engine

VER 162.4 518

Static moment of injection

Position of the engine

The piston of the fourth cylinder in the provision of VMT

Pump piston stroke

mm

XUD 9A/L engine

1.07 ± 0.02

XUD 9Y engine

0.77 ± 0.02

Dynamic adjustment (it is regulated by the special device)

XUD 9A/L engine

18 ° ± 1 °

XUD 9Y engine

12 ° ± 1 °

Adjustment of residual volume of a stream

Thickness of an adjusting washer

mm

XUD 9A/L engine

3.0

XUD 9Y engine

1.0

The received rotation frequency

rpm

XUD 9A/L engine

1250 ± 100

XUD 9Y engine

775 +20, 775 - 50

Bosch (models with a turbo-supercharging)

Direction of rotation (all engines)

Clockwise, looking from the drive

Number TNVD

XUD 9A/L engine

VER 445.2 XUD 203

XUD 9Y engine

VER 472 XUD 210

Static moment of injection

Position of the engine

The piston of the fourth cylinder in the provision of VMT

Pump piston stroke

mm

XUD 9A/L engine

0.66 ± 0.02

XUD 9Y engine

0.63 ± 0.02

Dynamic adjustment (it is regulated by the special device)

XUD 9A/L engine

12.5 ° ± 1 °

XUD 9Y engine

10.5 ° ± 1 °

Adjustment of residual volume of a stream

Thickness of an adjusting washer

mm

XUD 9A/L engine

3.0

XUD 9Y engine

3.0

The received rotation frequency

rpm

XUD 9A/L engine

1500 ± 100

XUD 9Y engine

1500 ± 100

Nozzles

Type

Bayonet

Opening pressure

bar

Models with TNVD Lucas

   •  Pink marking

123 ÷ 128

   •  Green-pink marking

127 ÷ 132

Models with TNVD Bosch

   •  Models with a turbo-supercharging (blue marking)

175

Turbocompressor

Type

KKK K14, or Garrett T2

Pressure of pressurization, bar

1 (at 3000 rpm)

Efforts of tightening of threaded connections, Nanometer

Locking electromagnetic valve

   •  TNVD Lucas

15

   •  TNVD Bosch

20

Cap nuts of nipple connections of fuel lines

20

Cap of VMT of the fourth cylinder

30

Cap of a distributive opening of TNVD

   •  Lucas

6

   •  Bosch

15

Bolts/nut of fastening of TNVD

20

TNVD cogwheel nut

50

TNVD cogwheel stripper bolts

10

Nozzles in a head of cylinders

90

Bolts of fastening of a turbocompressor

55

Nipple connections of lines of an oil path of a turbocompressor

20

Systems of decrease in toxicity and production of the fulfilled gases

Efforts of tightening of threaded connections, Nanometer

Petrol models

Fixture of components of system of production of the fulfilled gases

Nuts of fastening of a reception pipe to a final collector

10

Gangs of a tightening ring

20

Diesel models

Fixture of components of system of production of the fulfilled gases

Nuts of connecting bolts of a collector

10

Gangs of a tightening ring

20


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