Citroen Xantia

Since 1993 of release

Repair and car operation

Citroen Xantia
+ Introduction
+ The operation manual
+ Routine maintenance
- Engine repair
   + The repair procedures which are not demanding extraction of the engine from the car - petrol engines
   + The repair procedures which are not demanding extraction of the engine from the car - diesel engines
   + Removal and engine major repairs
+ Systems of cooling, heating
+ The power supply system and release
+ Engine electric equipment
+ Coupling
+ Transmission
+ Power shafts
+ Uniform hydraulic system
+ Brake system
+ Running gear and steering
+ Body and salon furnish
+ Onboard electric equipment
+ Electric equipment schemes

Engine repair

Specifications

The repair procedures which are not demanding extraction of the engine from the car - the petrol engine

The general parametres

Designations
The engine of 1580 sm³	XU5
The engine of 1761 sm³	XU7
The engine of 1998 sm³	XU10
Engine code *
The engine of 1580 sm³	BFZ (XU5 JP/Z)
The engine of 1761 sm³	LFZ (XU7 JP/Z or XU7 JP/L3) or L6A (XU7 JP/K)
The engine of 1998 sm³	RFX (XU10 J2C/Z or XU10 J2C/L3), R6D (XU10 J2C/K) or RFY (XU J4D/Z or XU10 J4D/L3)
Quantity of valves
Everything, except 1998 sm³RFY	8
1998 sm³RFY	16
Diameter of cylinders	Mm
The engine of 1580 sm³	83.00
The engine of 1761 sm³	83.00
The engine of 1998 sm³	86.00
Course of pistons	Mm
The engine of 1580 sm³	73.00
The engine of 1761 sm³	81.40
The engine of 1998 sm³	86.00

Direction of rotation of a cranked shaft	Clockwise (looking on the right side of the car)

Site of the first cylinder	From the party of the block turned to transmission
Compression degree
The engine of 1580 sm³	9.25:1
The engine of 1761 sm³	9.25:1
The engine of 1998 sm³	9.5:1

Ignition order (all models)	1-3-4-2
The maximum developed capacity	Kw/h.p.
The engine of 1580 sm³	66/90 or 65/89 (at 6000 rpm)
The engine of 1761 sm³
• L6A	70/95 (at 6000 rpm)
• LFZ	74/101 (at 6000 rpm)
The engine of 1998 sm³
• RFX and R6D	90/123 or 89/121 (at 5750 rpm)
• RFY	114/155 or 112/152 (at 6500 rpm)
The maximum twisting moment	Nanometer
The engine of 1580 sm³	130 (at 2600 rpm)
The engine of 1761 sm³
• L6A	142 (at 3000 rpm)
• LFZ	153 (at 3000 rpm)
The engine of 1998 sm³
• RFX and R6D	176 (at 2750)
• RFY	183.5 (at 3500)

* The engine code is beaten out on шильде, fixed in front at the left end face of the block of cylinders (engines of 1580 sm^{of 3}and 1761 sm³), or is direct on a forward surface of the block, more to the left of the oil filter (the engine of 1998 sm³). The code resulted in brackets is identification number of manufacturer and in the present Management can not be mentioned.

Camshaft

Drive
Zubchatoremennaja transfer
• Quantity of bearings	5

Diameter подшипниковых necks	At the moment of drawing up of the Management by manufacturers it is not stipulated
Diameter of bearings in a head of cylinders	At the moment of drawing up of the Management by manufacturers it is not stipulated

Klapannye backlashes, mm

Inlet valves	0.20 ± 0.05
Final valves	0.40 ± 0.05

Greasing system


Type of the oil pump	Шестеренчатый, with a chain drive from the right end of a cranked shaft
The minimum admissible pressure of oil at temperature 80°С	Bar
BFZ and LFZ	5.3 (at 4000 rpm)
RFX 6.4	6.4 (at 4000 rpm)

Pressure of operation of the gauge-switch of a control lamp, bar	0.5

Efforts of a tightening of carving connections, Nanometer

Engines of 1580 and 1761 sm³
Nuts/bolts of fastening of a cover of a head of cylinders	10
Bolts of fastening of covers газораспределительного a belt	8
Bolt of fastening of a pulley of a cranked shaft	120
Bolt of fastening of a roller натяжителя газораспределительного a belt	20
Bolt of fastening of a cogwheel of a camshaft	35
Nuts of fastening of covers of bearings of a camshaft	15
Bolts of fastening of a head of cylinders
• the Stage 1	60
• Completely to weaken all bolts
• the Stage 2	20
• the Stage 3	To hold on for 300 °
Bolts of fastening of the pallet картера	19
Bolts of fastening assembly скобы the generator	22
Bolts of fastening of the oil pump	16
Bolts of fastening of a flywheel/privodnogo of a disk	50
Nuts of fastening of covers шатунных bearings:
• the Stage 1	40
• Completely to weaken all nuts
• the Stage 2	20
• the Stage 3	To hold on for 70 °
Nuts/bolts of fastening of covers of radical bearings
• Fixing nuts/bolts	54
• Lateral bolts of a cover of the central bearing	16
Fixture of the right support of the power unit
• Bolts of fastening of an arm of a support to the engine	45
• Nuts of fastening of an arm	45
Fixture of the left support of the power unit
• Bolts of fastening of an arm of a support to a body	25
• the Fixing hairpin	50
• the Central nut	80
Fixture of a back support of the power unit
• Bolts of fastening of assemblage of a support to the block	45
• the Bolt of fastening of an arm to a support	50
• the Bolt of fastening of an arm to a stretcher	50
Engines of 1998 sm³
Nuts/bolts of fastening of a cover of a head of cylinders	10
Bolts of fastening of covers газораспределительного a belt	8
Bolt of fastening of a pulley of a cranked shaft	110
Bolt of fastening of a roller натяжителя газораспределительного a belt	20
Bolt of fastening of a cogwheel of a camshaft	35
Nuts of fastening of covers of bearings of a camshaft	16
Bolts of fastening of a head of cylinders
• the Stage 1	35
• the Stage 2	70
• the Stage 3	To hold on for 160 °
Bolts of fastening of the pallet картера	19
Bolts of fastening assembly скобы the generator	22
Bolts of fastening of the oil pump	16
Bolts of fastening of a flywheel/privodnogo of a disk	50
Nuts of fastening of covers шатунных bearings:
• the Stage 1	40
• the Stage 2	20
• the Stage 3	To hold on for 70 °
Bolts of fastening of covers of radical bearings	70
Fastening bolts распылительной tubes of jets of giving of oil to pistons	10
Bolts of fastening of the holder of a forward epiploon	16
Fixture of the right support of the power unit
• Nuts of fastening of an arm of a support	45
• the Bent fixing plate	20
Fixture of the left support of the power unit
• Bolts of fastening of an arm of a support to a body	20
• the Fixing hairpin	50
• the Central nut	65
Fixture of a back support of the power unit
• Bolts of fastening of assemblage of a support to the block	45
• the Bolt of fastening of an arm to a support	50
• the Bolt of fastening of an arm to a stretcher	70

The repair procedures which are not demanding extraction of the engine from the car - the diesel engine

The general parametres

Designations
The engine of 1905 sm³	XUD9
Engine code *
The engine of 1905 sm³without a turbo-supercharging	D9B (XUD9 A/L)
The engine of 1905 sm³with a turbo-supercharging	D8B (XUD9 TF/L)
The engine of 1905 sm³with a turbo-supercharging	DHX (XUD9 TF/Y)

Diameter of cylinders, mm	83.00

Course of pistons, mm	86.00

Direction of rotation of a cranked shaft	Clockwise (looking on the right side of the car)

Site of the first cylinder	From the party of the block turned to transmission
Compression degree
The engine of 1905 sm³without a turbo-supercharging	23.00:1
The engine of 1905 sm³with a turbo-supercharging	21.80:1

Ignition order	1-3-4-2
The maximum developed capacity	Kw/h.p.
Models without a turbo-supercharging	(47 - 51) / (65 - 71) (at 4600 rpm)
Models with a turbo-supercharging	(66 - 67.5) / (90 - 92) (at 4000 rpm)
The maximum twisting moment	Nanometer
Models without a turbo-supercharging	118 - 120 (at 2000 rpm)
Models with a turbo-supercharging	196 (at 2250 rpm)
The maximum admissible frequency of rotation of the engine without loading	Rpm
Models without a turbo-supercharging	5150 ± 125
Models with a turbo-supercharging	5100 ± 125
The maximum turns of the engine under loading	Rpm
All models	4600 ± 80
Kompressionnoe pressure (at the heated-up engine and turns проворачивания)	Bar
The nominal	25 - 30
Is minimum admissible	18

The maximum admissible disorder between cylinders	5

* The engine code is beaten out on шильде, fixed on a forward wall of the block of cylinders. The code resulted in brackets is identification number of manufacturer and in the present Management can not be mentioned.

Camshaft

Drive	Zubchatoremennaja transfer
Quantity of bearings	3
Admissible axial люфт, mm	0.07 - 0.16

Klapannye backlashes, mm

Inlet valves	0.15 ± 0.08
Final valves	0.30 ± 0.08

Greasing system


Type of the oil pump	Шестеренчатый, with a chain drive from the right end of a cranked shaft
The minimum admissible pressure of oil at temperature 90°С	Bar
Models without a turbo-supercharging	3.5 (at 4000 rpm)
Models with a turbo-supercharging	4.9 (at 4000 rpm)

Pressure of operation of the gauge-switch of a control lamp, bar	0.8

Efforts of a tightening of carving connections, Nanometer

Bolts of fastening of a cover of a head of cylinders	20
Bolt of fastening of a pulley of a cranked shaft
• the Stage 1	40
• the Stage 2	To hold on for 60 °
Bolt of fastening of covers натяжителя газораспределительного a belt	8
Adjusting bolt натяжителя газораспределительного a belt	18
Axial nut натяжителя газораспределительного a belt	18
Bolt of fastening of a cogwheel of a camshaft	45
Screws of fastening of a stripper of cogwheel ТНВД	10
Nut of fastening of cogwheel ТНВД	50
Nuts of fastening of covers of bearings of a camshaft	20
Bolts of fastening of a head of cylinders
- Models without a turbo-supercharging
• the Stage 1	20
• the Stage 2	60
• the Stage 3	To hold on for 180 °
- Models with a turbo-supercharging
• the Stage 1	20
• the Stage 2	60
• the Stage 3	To hold on for 220 °
Bolts of fastening of the pallet картера	19
Bolts of fastening of the oil pump	13
Bolts of fastening of a casing of a forward epiploon of a cranked shaft	16
Bolts of fastening of a flywheel/privodnogo of a disk	50
Nuts of fastening of covers шатунных bearings:
• the Stage 1	20
• the Stage 2	To hold on for 70 °
Bolts of fastening of covers of radical bearings	70
Fastening bolt распылительной tubes of jets of giving of oil to pistons (to model with a turbo-supercharging)	10
Fixture of the right support of the power unit
• Bolts of fastening of an arm of the engine (assemblage натяжителя)	18
• Nuts of fastening of an arm	45
• Bolts of the bent fixing plate	20
Fixture of the left support of the power unit
• Bolts of fastening of assemblage of a rubber pillow of a support to a body	20
• the Fixing hairpin	50
• the Central nut	65
Fixture of a back support of the power unit
• Bolts of fastening of assemblage of a support to the block	45
• the Bolt of fastening of an arm to a support	50
• the Bolt of fastening of an arm to a stretcher	70

Removal and engine major repairs

At the moment of drawing up of the present Management the data on some engines was inaccessible. In case of absence of any parametres it is necessary to address for consultation to experts of the firm service-centre of company Citroyon.

Head of cylinders

Maximum admissible неплоскостность interfaced surfaces	Mm
Engines of series XU	0.05
Engines of series XUD	0.07
Height of a head of cylinders	Mm
Engines of series XU	141.0 ± 0.05
Engines of series XUD	235.0 ± 0.05

Size выступания vortical chambers (only diesel models), mm	0 - 0.03

Valves

Diameter of plates	Mm
The inlet
- Petrol engines
• 1580 sm³	41.6
• 1761 sm³	Data is absent
• 1998 sm³	42.6
- Diesel engines
• 1905 sm³	38.6
The final
- Petrol engines
• 1580 sm³	34.7
• 1761 sm³	Data is absent
• 1998 sm³	34.5
- Diesel engines
• 1905 sm³	33.0
Diameter of cores	Mm
The inlet
- Petrol engines
• 1580 sm³	7.83 - 7.98
• 1761 sm^{of 3}and 1998 sm³	Data is absent
- Diesel engines
• 1905 sm³	7.99
The final
- Petrol engines
• 1580 sm³	7.83 - 7.98
• 1761 sm^{of 3}and 1998 sm³	Data is absent
- Diesel engines
• 1905 sm³	7.97
Total length	Mm
The inlet
- Petrol engines
• 1580 sm³	108.79
• 1761 sm^{of 3}and 1998 sm³	Data is absent
- Diesel engines
• 1905 sm³	112.40
The final
- Petrol engines
• 1580 sm³	108.37
• 1761 sm^{of 3}and 1998 sm³	Data is absent
- Diesel engines
• 1905 sm³	111.85

The block of cylinders

Diameter of cylinders	Mm
Petrol engines
- 1580 sm^{of 3}and 1761 sm³
• Dimensional group And	83.000 - 83.010
• Dimensional group In	83.010 - 83.020
• Dimensional group C	83.020 - 83.030
- 1998 sm³	Data is absent (face value of 86 mm)
Diesel engines
- Rating value	83.000 - 83.018
- The repair size (with excess) R1	83.200 - 83.218
- The repair size (with excess) R2	83.500 - 83.518
- The repair size (with excess) R3	83.800 - 83.818
Size выступания sleeves of cylinders over a surface of the block of cylinders (the aluminium block) - only engines of 1580 and 1761 sm³	Mm
Rating value	0.03 - 0.10
The maximum admissible difference between two sleeves	0.05

Pistons

Diameter	Mm
Petrol engines
- 1580 sm^{of 3}and 1761 sm³
• Dimensional group And	82.960 ± 0.007
• Dimensional group In	82.970 ± 0.007
• Dimensional group C	82.980 ± 0.007
- 1998 sm³	Data is absent
Diesel engines
- Rating value	82.930 - 82.939
- 1st repair size	83.130 - 83.139
- 2nd repair size	83.430 - 83.439
- 3rd repair size	83.730 - 83.739

Rods

The maximum admissible weight difference between two shatunno-piston assemblages	г
Petrol engines
- 1580 sm^{of 3}and 1761 sm³	13.0
- 1998 sm³	7.0
Diesel engines	4.0

Cranked shaft


Axial люфт, mm	0.07 - 0.32
Diameter of radical necks	Mm
Petrol engines
- 1580 sm³
• Rating value	59.981 - 60.000
• Repair value	59.681 - 59.700
- 1791 sm^{of 3}and 1998 sm³	Data is absent
Diesel engines
• Rating value	^{60.0 +0}, 60.0-_0.019
• Repair value	^{59.7 +0}, 59.7-_0.019
Diameter шатунных necks	Mm
Petrol engines
- 1580 sm³
• Rating value	49.984 - 50.000
• Repair value	49.684 - 49.700
- 1791 sm^{of 3}and 1998 sm³	Data is absent
Diesel engines
• Rating value	^{50.0 +0}, 50.0-_0.019
• Repair value	^{49.7 +0}, 49.7-_0.019

The maximum admissible ovality of necks (all models), mm	0.007
Working backlash in radical bearings	Mm
Petrol engines *
1580 sm^{of 3}and 1791 sm³	0.025 - 0.050
1998 sm³	0.038 - 0.069
Diesel engines **	0.025 - 0.050
• 1761 sm^{of 3}and 1998 sm³	Data is absent

Working backlash in шатунных bearings, mm	0.025 - 0.050

* On engines of 1791 sm³since 1994 the nominal size of a backlash is changed - the text see.
** The presumable data typical for engines of this kind (address in company Citroyon services-centres) are cited.

Piston rings

Backlashes in locks	Mm
Petrol engines
- Top компрессионное a ring
• 1580 sm³*	0.4 - 0.6
• 1761 sm³*	0.3 - 0.5
- The second компрессионное a ring
• 1580 sm³	0.15 - 0.35
• 1761 sm³*	0.3 - 0.5
- Maslosemnoe ring
• 1580 sm^{of 3}and 1761 sm³*	0.3 - 0.5
• 1761 sm³*	0.3 - 0.5
Diesel engines
- Both компрессионных rings	0.20 - 0.40
- Maslosemnoe ring	0.25 - 0.50

* The presumable data typical for engines of this kind (address in company Citroyon services-centres) are cited.

Efforts of a tightening of carving connections, Nanometer

- Engines series XU (petrol)	The Repair procedures which are not demanding extraction of the engine from the car - petrol engines see above the Specification to section
- Engines series XUD (diesel)	The Repair procedures which are not demanding extraction of the engine from the car - diesel engines see above the Specification to section

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