Citroën Xantia

since 1993 release

Repair and operation of the car

Citroën Xantia
+ Introduction
+ Operation manual
+ Routine maintenance
- Repair of the engine
   + 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 capital repairs of the engine
+ Cooling systems, heating
+ Power supply system and release
+ 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

Repair of the engine

Specifications

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

General parameters

Designations
Engine of 1580 cm³	XU5
Engine of 1761 cm³	XU7
Engine of 1998 cm³	XU10
Engine code *
Engine of 1580 cm³	BFZ (XU5 JP/Z)
Engine of 1761 cm³	LFZ (XU7 JP/Z or XU7 JP/L3) or L6A (XU7 JP/K)
Engine of 1998 cm³	RFX (XU10 J2C/Z or XU10 J2C/L3), R6D (XU10 J2C/K) or RFY (XU J4D/Z or XU10 J4D/L3)
Number of valves
Everything, except 1998 cm^{3 RFY}	8
1998 cm^{3 RFY}	16
Diameter of cylinders	mm
Engine of 1580 cm³	83.00
Engine of 1761 cm³	83.00
Engine of 1998 cm³	86.00
Course of pistons	mm
Engine of 1580 cm³	73.00
Engine of 1761 cm³	81.40
Engine of 1998 cm³	86.00

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

Location of the first cylinder	From the party of the block turned to transmission
Extent of compression
Engine of 1580 cm³	9.25:1
Engine of 1761 cm³	9.25:1
Engine of 1998 cm³	9.5:1

Ignition order (all models)	1-3-4-2
The maximum developed power	kW/h.p.
Engine of 1580 cm³	66/90 or 65/89 (at 6000 rpm)
Engine of 1761 cm³
• L6A	70/95 (at 6000 rpm)
• LFZ	74/101 (at 6000 rpm)
Engine of 1998 cm³
• RFX and R6D	90/123 or 89/121 (at 5750 rpm)
• RFY	114/155 or 112/152 (at 6500 rpm)
Maximum torque	Nanometer
Engine of 1580 cm³	130 (at 2600 rpm)
Engine of 1761 cm³
• L6A	142 (at 3000 rpm)
• LFZ	153 (at 3000 rpm)
Engine of 1998 cm³
• RFX and R6D	176 (at 2750)
• RFY	183.5 (at 3500)

* The code of the engine is beaten out on Schild, fixed in front at the left end face of the block of cylinders (engines of 1580 cm^{of 3}and 1761 cm³), or directly on the forward surface of the block, is more left than an oil filter (the engine of 1998 cm³). The code given in brackets is identification number of manufacturer and can not be mentioned in the present manual.

Camshaft

Drive
Zubchatoremenny transfer
• Number of bearings	5

Diameter of bearing necks	At the time of drawing up the Management of manufacturers it is not stipulated
Diameter of bearings in a head of cylinders	At the time of drawing up the Management of manufacturers it is not stipulated

Valvate gaps, mm

Inlet valves	0.20 ± 0.05
Final valves	0.40 ± 0.05

Lubrication system


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

Pressure of operation of the sensor switch of a control lamp, bar	0.5

Efforts of tightening of threaded connections, Nanometer

Engines 1580 and 1761 of cm³
Nuts/bolts of fastening of a cover of a head of cylinders	10
Bolts of fastening of covers of a gas-distributing belt	8
Bolt of fastening of a pulley of a bent shaft	120
Bolt of fastening of a roller of a natyazhitel of a gas-distributing belt	20
Bolt of fastening of a cogwheel of the camshaft	35
Nuts of fastening of covers of bearings of the camshaft	15
Bolts of fastening of a head of cylinders
• Stage 1	60
• To completely weaken all bolts
• Stage 2	20
• Stage 3	To hold on for 300 °
Bolts of fastening of the pallet of a case	19
Bolts of fastening of an assembly bracket of the generator	22
Bolts of fastening of the oil pump	16
Bolts of fastening of a flywheel / driving disk	50
Nuts of fastening of covers of conrod bearings:
• Stage 1	40
• To completely weaken all nuts
• Stage 2	20
• Stage 3	To hold on for 70 °
Nuts/bolts of fastening of covers of radical bearings
• Fixing nuts / bolts	54
• Side 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
• Fixing hairpin	50
• Central nut	80
Fixture of a back support of the power unit
• Bolts of fastening of assembly of a support to the block	45
• A bolt of fastening of an arm to a support	50
• A bolt of fastening of an arm to a stretcher	50
Engines of 1998 cm³
Nuts/bolts of fastening of a cover of a head of cylinders	10
Bolts of fastening of covers of a gas-distributing belt	8
Bolt of fastening of a pulley of a bent shaft	110
Bolt of fastening of a roller of a natyazhitel of a gas-distributing belt	20
Bolt of fastening of a cogwheel of the camshaft	35
Nuts of fastening of covers of bearings of the camshaft	16
Bolts of fastening of a head of cylinders
• Stage 1	35
• Stage 2	70
• Stage 3	To hold on for 160 °
Bolts of fastening of the pallet of a case	19
Bolts of fastening of an assembly bracket of the generator	22
Bolts of fastening of the oil pump	16
Bolts of fastening of a flywheel / driving disk	50
Nuts of fastening of covers of conrod bearings:
• Stage 1	40
• Stage 2	20
• Stage 3	To hold on for 70 °
Bolts of fastening of covers of radical bearings	70
Bolts of fastening of a raspylitelny tube of jets of supply 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
• Curved 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
• Fixing hairpin	50
• Central nut	65
Fixture of a back support of the power unit
• Bolts of fastening of assembly of a support to the block	45
• A bolt of fastening of an arm to a support	50
• A 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

General parameters

Designations
Engine of 1905 cm³	XUD9
Engine code *
The engine of 1905 cm³without turbo-supercharging	D9B (XUD9 A/L)
The engine of 1905 cm³with a turbo-supercharging	D8B (XUD9 TF/L)
The engine of 1905 cm³with a turbo-supercharging	DHX (XUD9 TF/Y)

Diameter of cylinders, mm	83.00

Course of pistons, mm	86.00

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

Location of the first cylinder	From the party of the block turned to transmission
Extent of compression
The engine of 1905 cm³without turbo-supercharging	23.00:1
The engine of 1905 cm³with a turbo-supercharging	21.80:1

Ignition order	1-3-4-2
The maximum developed power	kW/h.p.
Models without turbo-supercharging	(47 - 51) / (65 - 71) (at 4600 rpm)
Models with a turbo-supercharging	(66 - 67.5) / (90 - 92) (at 4000 rpm)
Maximum torque	Nanometer
Models without 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 turbo-supercharging	5150 ± 125
Models with a turbo-supercharging	5100 ± 125
The maximum turns of the engine under loading	rpm
All models	4600 ± 80
Compression pressure (at the heated-up engine and turns of a provorachivaniye)	bar
Nominal	25 - 30
Minimum admissible	18

The maximum admissible dispersion between cylinders	5

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

Camshaft

Drive	Zubchatoremenny transfer
Number of bearings	3
Admissible axial side play, mm	0.07 - 0.16

Valvate gaps, mm

Inlet valves	0.15 ± 0.08
Final valves	0.30 ± 0.08

Lubrication system


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

Pressure of operation of the sensor switch of a control lamp, bar	0.8

Efforts of tightening of threaded connections, Nanometer

Bolts of fastening of a cover of a head of cylinders	20
Bolt of fastening of a pulley of a bent shaft
• Stage 1	40
• Stage 2	To hold on for 60 °
Bolt of fastening of covers of a natyazhitel of a gas-distributing belt	8
Adjusting bolt of a natyazhitel of a gas-distributing belt	18
Axial nut of a natyazhitel of a gas-distributing belt	18
Bolt of fastening of a cogwheel of the camshaft	45
Screws of fastening of a stripper of a cogwheel of TNVD	10
Nut of fastening of a cogwheel of TNVD	50
Nuts of fastening of covers of bearings of the camshaft	20
Bolts of fastening of a head of cylinders
- Models without turbo-supercharging
• Stage 1	20
• Stage 2	60
• Stage 3	To hold on for 180 °
- Models with a turbo-supercharging
• Stage 1	20
• Stage 2	60
• Stage 3	To hold on for 220 °
Bolts of fastening of the pallet of a case	19
Bolts of fastening of the oil pump	13
Bolts of fastening of a casing of a forward epiploon of a bent shaft	16
Bolts of fastening of a flywheel / driving disk	50
Nuts of fastening of covers of conrod bearings:
• Stage 1	20
• Stage 2	To hold on for 70 °
Bolts of fastening of covers of radical bearings	70
Bolt of fastening of a raspylitelny tube of jets of supply 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 (assembly of a natyazhitel)	18
• Nuts of fastening of an arm	45
• Bolts of a curved fixing plate	20
Fixture of the left support of the power unit
• Bolts of fastening of assembly of a rubber pillow of a support to a body	20
• Fixing hairpin	50
• Central nut	65
Fixture of a back support of the power unit
• Bolts of fastening of assembly of a support to the block	45
• A bolt of fastening of an arm to a support	50
• A bolt of fastening of an arm to a stretcher	70

Removal and capital repairs of the engine

At the time of drawing up the present manual data on some engines were inaccessible. In case of lack of any parameters it is necessary to address for consultation to experts company service center of the Citroyon company.

Head of cylinders

The maximum admissible not planeness the interfaced surfaces	mm
XU series engines	0.05
XUD series engines	0.07
Height of a head of cylinders	mm
XU series engines	141.0 ± 0.05
XUD series engines	235.0 ± 0.05

Size of a vystupaniye of vortex cameras (only diesel models), mm	0 - 0.03

Valves

Diameter of plates	mm
Inlet
- Petrol engines
• 1580 cm³	41.6
• 1761 cm³	Data are absent
• 1998 cm³	42.6
- Diesel engines
• 1905 cm³	38.6
Final
- Petrol engines
• 1580 cm³	34.7
• 1761 cm³	Data are absent
• 1998 cm³	34.5
- Diesel engines
• 1905 cm³	33.0
Diameter of cores	mm
Inlet
- Petrol engines
• 1580 cm³	7.83 - 7.98
• 1761 cm^{of 3} and 1998 cm³	Data are absent
- Diesel engines
• 1905 cm³	7.99
Final
- Petrol engines
• 1580 cm³	7.83 - 7.98
• 1761 cm^{of 3} and 1998 cm³	Data are absent
- Diesel engines
• 1905 cm³	7.97
Total length	mm
Inlet
- Petrol engines
• 1580 cm³	108.79
• 1761 cm^{of 3} and 1998 cm³	Data are absent
- Diesel engines
• 1905 cm³	112.40
Final
- Petrol engines
• 1580 cm³	108.37
• 1761 cm^{of 3} and 1998 cm³	Data are absent
- Diesel engines
• 1905 cm³	111.85

Block of cylinders

Diameter of cylinders	mm
Petrol engines
- 1580 cm^{of 3}and 1761 cm³
• Dimensional group A	83.000 - 83.010
• Dimensional group B	83.010 - 83.020
• Dimensional group C	83.020 - 83.030
- 1998 cm³	Data are absent (face value of 86 mm)
Diesel engines
- Nominal rate	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
The size of a vystupaniye of sleeves of cylinders over the surface of the block of cylinders (the aluminum block) - only engines 1580 and 1761 of cm³	mm
Nominal rate	0.03 - 0.10
The maximum admissible difference between two sleeves	0.05

Pistons

Diameter	mm
Petrol engines
- 1580 cm^{of 3}and 1761 cm³
• Dimensional group A	82.960 ± 0.007
• Dimensional group B	82.970 ± 0.007
• Dimensional group C	82.980 ± 0.007
- 1998 cm³	Data are absent
Diesel engines
- Nominal rate	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 conrod and piston assemblies
Petrol engines
- 1580 cm^{of 3}and 1761 cm³	13.0
- 1998 cm³	7.0
Diesel engines	4.0

Bent shaft


Axial side play, mm	0.07 - 0.32
Diameter of radical necks	mm
Petrol engines
- 1580 cm³
• Nominal rate	59.981 - 60.000
• Repair value	59.681 - 59.700
- 1791 cm^{of 3}and 1998 cm³	Data are absent
Diesel engines
• Nominal rate	60.0⁺⁰,_{60.0 - 0.019}
• Repair value	59.7⁺⁰,_{59.7 - 0.019}
Diameter of conrod necks	mm
Petrol engines
- 1580 cm³
• Nominal rate	49.984 - 50.000
• Repair value	49.684 - 49.700
- 1791 cm^{of 3}and 1998 cm³	Data are absent
Diesel engines
• Nominal rate	50.0⁺⁰,_{50.0 - 0.019}
• Repair value	49.7⁺⁰,_{49.7 - 0.019}

Maximum admissible ovality of necks (all models), mm	0.007
Working gap in radical bearings	mm
Petrol engines *
1580 cm^{of 3}and 1791 cm³	0.025 - 0.050
1998 cm³	0.038 - 0.069
Diesel engines **	0.025 - 0.050
• 1761 cm^{of 3} and 1998 cm³	Data are absent

Working gap in conrod bearings, mm	0.025 - 0.050

* On engines of 1791 cm³since 1994 the nominal size of a gap is changed - see the text.
** The presumable data typical for engines of this kind are provided (address in service centers of the Citroyon company).

Piston rings

Gaps in locks	mm
Petrol engines
- Top compression ring
• 1580 cm³*	0.4 - 0.6
• 1761 cm³*	0.3 - 0.5
- Second compression ring
• 1580 cm³	0.15 - 0.35
• 1761 cm³*	0.3 - 0.5
- Oil scraper ring
• 1580 cm^{of 3}and 1761 cm³*	0.3 - 0.5
• 1761 cm³*	0.3 - 0.5
Diesel engines
- Both compression rings	0.20 - 0.40
- Oil scraper ring	0.25 - 0.50

* The presumable data typical for engines of this kind are provided (address in service centers of the Citroyon company).

Efforts of tightening of threaded connections, Nanometer

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

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