Get ENGINE -> Special features: Tightening torques (m.daN) Guide for Citroen Xantia 4 Door Second Generation (1993-2002)

XANTIA - XM

SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

Engines : BFZ – BFX - LFX - LFY - RFV - RGX

CYLINDER HEAD (mm)

Engine type

BFZ

BFX

LFX

LFY

RFV

RGX

Maximum permissible bow

Gasket surface regrinding

0.05

- 0.20

TIGHTENING TORQUES (m.daN)

Crankshaft bearing screws :

- Pre-tightening

-

- Tightening

5.5 ± 0.5

-

7 ± 0.7

-

- Angular tightening

Connecting rod screws

- Pre-tightening

- Tightening

4±0.4

2±0.2

- Angular tightening

70°±7°

Flywheel screw

5

Crankshaft pulley screw

Pulley screw at end of camshaft

12

5.5±0.5

7.5±0.7

5.5±0.5

WARNING : After removing the crankshaft pulley, carry out the following operations :

- Clean the thread (Tap 14X150)

- Fit a NEW screw.

- Fit a NEW washer

- Tighten (see table above)

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

SYNERGIE

Engine : RFN

Maximum permissible bow

0.05

Gasket surface regrinding

- 0.20

Crankshaft

Bearing cap screws.

- Pre-tightening

2 ± 0.1

Camshaft pulley hubs

7.5 ± 0.7

- Angular tightening

60° ± 6°

Con-rod cap screws.

- Tightening

- Untightening

Engine flywheel

- Pre-tightening

- Tightening

2 ± 0.2

21° ± 3°

- Tightening

2.3 ± 0.2

- Angular tightening

46° + 2° - 4°

Con-rod nuts.

- Pre-tightening

- Angular tightening

Clutch plate

2 ± 0.2

Accessories drive pulley

- Tightening

2.1 ± 0.1

- Angular tightening

Accessories drive pulley hub

- Pre-tightening

- Angular tightening (Sintered washer)

- Angular tightening (Steel washer)

4 ± 0.4

40° ± 4°

53° ± 5°

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

Engines : LFY - RFV

XANTIA - XM

CYLINDER HEAD COVER

XM - XANTIA

LFY - RFV

- Pre-tighten :0.5

- Tighten

:1±0.1

B1DP01YD

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

XANTIA - XM - V6

Engine : XFZ

(1) Compact coil unit

1 ± 0.1

(9) Flywheel

- Tightening

1

- Angular tightening

60°± 6°

(11) Connecting rod caps

- Tightening

2 ±

- Angular tightening

74° ± 7

(12) Crankshaft hub

- Tightening

4 ± 0.4

- Angular tightening

80° ± 8°

(13) Crankshaft pulley

2.5 ± 0.2

B1BP1HAP

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

XANTIA - XM - V6

Engine : XFZ

- 2 Cylinder head cover (A) Front cyl. head - (B) Rear cyl. head

- 3 Bearing caps housing (A) Front cyl. head - (B) Rear cyl. head

B1DP08UD

B1DP08TD

WARNING : Tighten screw by screw in the order shown.

- Pre-tighten

- Tighten

- Pre-tighten

- Tighten

0.5

0.2

0.8

1 ± 0.1

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

XANTIA - XM - V6

Engine : XFZ

- 5 Air inlet manifold

- 6 Lower manifold (A) Front cyl. head - (B) Rear cyl. head

B1HPOLJC

B1DP097C

WARNING : Tighten screw by screw in the order shown.

- Pre-tighten

- Tighten

1 ± 0.1

2 ± 0.2

- Pre-tighten

- Tighten

1 ± 0.1

2.5 ± 0.2

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

XANTIA - XM - V6

Engine : XFZ

- 7 Exhaust manifold (NEW seal)

- 10 Oil sump

B1BP1GXD

B1BP1GZD

WARNING : Tighten screw by screw in the order shown.

- Pre-tighten

- Tighten

1 ± 0.1

3 ± 0.3

- Pre-tighten

- Tighten

0.5 ±

0.8 ±

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

XANTIA - XM - V6

Engine : XFZ

- 8 Crankshaft bearing

- Clean the threads of the screws with a brush.

- Refit the screws with a coating of grease ( MOLYKOTE G RAPID PLUS ).

- Check that the 8 centring pins are in place.

Maximum length under the heads of the screws :

- M11 = 131.5 mm.

- M8 = 119 mm.

- Pre-tighten the M11 screws to 3 m.daN ± 0,3 (1 to 8).

- Pre-tighten the M8 screws to 1 m.daN ± 0,1 (A to H).

- Tighten the M6 screws to 1 m.daN ± 0,1 (a to m).

- Slacken the M11 and M8 screws (screw by screw).

- Tighten the M11 screws to 3 m.daN ± 0,3 (1 to 8).

- Tighten the M8 screws to 1 m.daN ± 0,1 (A to H).

B1BP1GYD

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XANTIA - XM - V6

SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

Engine : XFZ

(14) Water pump

- Pre-tighten

- Tightening

0.5

0.8

(15) Oil pump

- Pre-tighten

- Tightening

0.5

0.8

(16) Guide roller

8 ± 0.8

(17) Tensioner roller

(18) Camshaft hubs

- Pre-tighten

2 ± 0.2

- Tightening

57° ± 5°

(19) Camshaft pulley

1 ± 0.1

B1BP1HBD

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XANTIA - XM - V6

SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

Engine : XFZ

- 20 Oil fumes recovery unit.

WARNING : Tighten screw by screw in the order shown.

- Pre-tighten 0.5 ±

- Tightening

1 ± 0.1

B1BP1H1D

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SPECIAL FEATURES - TIGHTENING TORQUES (m.daN )

DIESEL - All Types

Engines : DHX - P8C - RHY - RHZ - RHW - THY

CYLINDER HEAD (mm)

DHX

P8C

RHY

RHZ

RHWTHY

Engine type

Maximum permissible bow

Gasket surface regrinding

0.07

0.05

0.03

0.05

- 0.20

- 0.40

TIGHTENING TORQUES (m.daN)

Crankshaft bearing screws :

- Pre-tightening

- Tightening

1.5 ± 0.1

-

60° ± 6°

2.5 ± 0.2

-

60 ± 6°

2 ± 0.2

-

60°±6°

- Angular tightening

Connecting rod screws :

- Pre-tightening

2 ± 0.2

- Angular tightening

70° ± 7°

65° ± 6°

Flywheel screw

5 ± 0.5

Crankshaft pulley screw :

- Pre-tightening

4 ± 0.4

7 ± 0.7

4 ± 0.4

7 ± 0.7

- Angular tightening

51° ± 5°

60° ± 6°

51° ± 5°

Pulley screw at end of camshaft

4.5 ± 0.4

4.3 ± 0.4

WARNING : After removing the crankshaft pulley, carry out the following operations : (Except for THY engines).

- Clean the thread (Tap 14X150)

-Fit a NEW screw.

- Fit a NEW washer

- Tighten (see table above)

50

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ENGINE -> Special features: Tightening torques (m.daN) for Your Citroen Xantia 4 Door Second Generation (1993-2002)

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