Citroen C5 2000 (DC/DE) / 1.G Service Manual

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X = MAXI reusable
Engines : 6FZ - RFN - RLZ
Cylinder head tightening (m.daN) Cylinder head bolts
A= Washer thickness : 4 ± 0.2 mm.
X= Length under heads of the new bolts = 144.5 ± 0.5 mm. - Pre-tightening1.5 ± 0.1
- Tightening5 ± 0.1
- Untightening360° ± 2°
- Tightening2 ± 0.2
- Angular tightening285° ± 5°
(in the order 1 to 10)
NOTE : Oil the threads and
under the heads of the cylinder
head bolts. (Use engine oil or
Molykote G Rapid Plus.)
B1BP05BC
6FZ - RFN - RLZ
6FZ - RFN - RLZ
X= 147 mm
CYLINDER HEAD
B1DP16FC
NOTE : Retightening of the cylinder head
after a completed repair is prohibited.
Intervention est interdit.

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CYLINDER HEAD (Continued)
Engines : 6FZ - RFN - RLZCamshafts
The camshafts are identified by the
following markings :
- Paint rings.
- Cold stamp at the camshaft extremity
(Distribution end).
(1) Inlet camshaft.
(2) Exhaust camshaft.
"j" Camshaft position sensor target.
"h"Paint rings : repair reference.
Valve clearances when cold :
Hydraulic followers with clearance
B1EP15YDInlet camshaft Exhaust camshaft
6FZ RFN-RLZ 6FZ RFN-RLZ
Marking at «g» 9630426980 9624727280 9630426680 9624728080
Lifting law marking at «f» D1269 D1149 D5016 D1148
Paint rings Blue at «k» Green at «i»

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Engines : 6FZ-RFN-RLZ-RHY-RHZ-4HX
CrankshaftDiesel Petrol
6FZ RFN RLZ RHY RHZ 4HX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)
Bearing cap screws.
- Pre-tightening2 ± 0.1 2.5 ± 0.2
- Angular tightening60°±6° 60°
Con-rod cap screws.
- Tightening1
- Untightening180°
- Tightening2.3 ± 0.2 2.3 ± 0.1
- Angular tightening46°+2°-4° 46°±5°
Con-rod nuts.
- Pre-tightening2 ± 0.2
- Angular tightening70°
Accessories drive pulley
- Tightening2.1 ± 0.1 4 ± 0.4 7 ± 0.25
- Angular tightening51° 60°
Accessories drive pulley hub
- Pre-tightening4 ± 0.4
- Angular tightening(Sintered washer)40°±4°
Angular tightening(Steel washer)53°±5°

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Sump
- Pre-tightening1
- Tightening0.8 ± 0.2 1.6 ± 0.2 1.6 ± 0.3
Timing belt guide roller
- Pre-tightening1.5
- Tightening3.7 ± 0.3 2.5 ± 0.2 4.3 ± 0.4
Timing guide roller
- Pre-tightening1.5
- Tightening2.5 ± 0.2 4.3 ± 0.4
Timing belt tensioner roller 2.1 ± 0.2 2.5 ± 0.2
RH engine mounting
- Pre-tightening1(4 screws)
- Tightening2 ± 0.2 (Ø 8)
- Tightening6.1 ± 0.6 2.7 ± 0.2 4.5±0.2 (Ø10)
ENGINE
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Engines : 6FZ-RFN-RLZ-RHY-RHZ-4HX
Cylinder blockDiesel Petrol
6FZ RFN RJZ RHY RHZ 4HX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)

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42 Camshaft bearing cover
- Tightening1 ± 0.1
- Pre-tightening0.5 ± 0.1 0.5 (Ø6)
- Tightening0.9 ± 0.1 1 ± 0.1 1±0.1(Ø10)
Exhaust manifold
- Pre-tightening1.5
- Tightening3.5 ± 0.3 2 ± 0.2 3 ± 0.3
Valve cover
- Pre-tightening0.5 0.5 ± 0.15
- Tightening1.1 ± 0.1 0.9 ± 0.1 0.8 ± 0.1 0.9 ± 0.1
Camshaft pulley hub 7.5 ± 0.7 4.3 ± 0.5
Hub pulley2 ± 0.2
Flywheel / Clutch
Flywheel
- Pre-tightening2 ± 0.2 1.5
- Tightening21° ± 3° 4.8 ± 0.5 4.7 ± 0.4
Clutch plate 2 ± 0.2 2 ± 0.2
Engines : 6FZ-RFN-RLZ-RHY-RHZ-4HX
Cylinder headDiesel Petrol
6FZ RFN RLZ RHY RHZ 4HX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)

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43 Oil pump
- Pre-tightening0.7
- Tightening0.9 ± 0.1 1.3 ± 0.1 0.9 ± 0.1
Water / oil heat exhanger5.8 ± 0.5
Lubrication pipe
- Engine end3 ± 0.3
- Turbocompressor end2 ± 0.2
Injection circuit
Injector(Flange nut)
- Tightening3 ± 0.3 4 ± 0.3
- Angular tightening45°±5°
Union on injection rail2 ± 0.2
Injection pump0.5 ± 0.1 2.25 ±0.3
Union on injector 2 ± 0.2
Common rail fixing screw 0.9 ± 0.1 0.8 ± 0.1
Injection pump pulley5 ± 0.5
Union on injection pump 2.6 ± 0.3 2 ± .02
Cooling circuit
Water pump 1.4 ± 0.1 1.6 ± 0.3
Water inlet housing 0.9 ± 0.1 2 ± .02
Engines : 6FZ-RFN-RLZ-RHY-RHZ-4HX
Lubrication circuit Diesel Petrol
6FZ RFN RJZ RHY RHZ 4HX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)

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ENGINE SPECIFICATIONS
Engine : XFX
B1BP27CD
Compusory engine plate :
(1) Identification plate
"a"Engine legislation type.
"b"Component reference.
"c" Factory serial no.

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Engine : XFX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)
(1) Pencil type ignition coil 0.8 ± 0.3.
(2) Valve cover
- Pre-tightening0.5 ± 0.1
- Tightening1 ± 0.1
(3) Camshaft bearing cap cover
- Pre-tightening0.2 ± 0.1
- Tightening1 ± 0.1
(4) Cylinder head
- Pre-tightening2 ± 0.2
- UntighteningYES
- Tightening1.5 ± 0.2
- Angular tightening225°
B1BP27DP

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Engine : XFX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)
(5) Exhaust manifold
(Equipped with a new seal).
- Pre-tightening1 ± 0.1
- Tightening3 ± 0.3
(6) Con-rod caps
- Tightening2 ± 0.2
- Angular tightening74°
(7) Flywheel.
- Tightening2 ± 0.2
- Angular tightening60°
B1JP02LD

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Engine : XFX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)
(8) Crankshaft bearings
Carry out the following operations :
- Clean the threads of the screws with a brush.
- Refit the screws with a coating of grease, on threads and under
heads "MOLYKOTE G RAPID PLUS".
- Check that the 8 centring pins are in place.
Tightening :
- Pre-tighteningM11to 3 ± 0.3 (Order from 1to8)
- Pre-tighteningM8to 1 ± 0.1(Orer fromAto H)
- TighteningM6 to 1 ± 0.1(Order from a to m)
- UntighteningM11to M8
Proceed screw by screw :
- TighteningM11to 3 ± 0.3(order from 1to 8), then
One angular tightening of 180°
- TighteningM8 to 1 ± 0,1(Order from Ato H), then
One angular tightening of180°
Max. length under heads of the screws M11 = 131.5 mm.
Max. length under heads of the screws M8 = 119 mm.
B1BP1GYD