CITROEN C6 2005 Service Manual

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ENGINE
ENGINE TIGHTENING TORQUES
Cylinder block
11 Coolant pump 0,9 ± 0,2
Con rod screws
12Pre-tightening2 ± 0,1
Angular pre-tightening 45 ± 5°
Angular tightening45 ± 5°
Starter gearwheel carrier
13Pre-tightening5 ± 0,5
Angular pre-tightening 45 ± 5°Angular tightening45 ± 5°
14 Lower engine block screw (*) 0,9 ± 0,215 Lower engine block screw (*) 2,3 ± 0,3
Bearing cap fixing screws (*)
16Pre-tightening6 ± 0,6
Tightening14,5 ± 1,4
Angular tightening90 ± 20°
Crankshaft bearing cap cover
17Pre-tightening1,5 ± 0,1
Tightening3,3 ± 0,9Angular tightening 47 ± 20°
18 Accessories drive pulley 2,5 ± 0,2
(*) Respect the sequence of tightening.Engine: DT17BTED4
B1DP1M3P
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ENGINE
ENGINE TIGHTENING TORQUES
Engine: DT17BTED4
Order of tightening for screws (14) and (15)
(14) Lower engine block screw (screw M6)
(15) Lower engine block screw(screw M8)
Method of tightening:
- Tighten the 10screws (15) (from 1 to 10)to: 2,3 ± 0,3
- Tighten the 8screws(14) (from 1 to 18)to: 0,9 ± 0,1
Order of tightening for screws (16) and (17)
(16) Bearing cap fixing screw (screw M9)
(17) Crankshaft bearing cap cover screw (screw M6)
Method of tightening:
- Pre-tighten the 16 screws (16)(from 1 to 16) to: 6 ± 0,6
- Pre-tighten the 8screws (17)(from 17 to 24)to: 1,5 ± 0,1
- Pre-tighten the 16screws (16)(from 1 to 16)to: 14,5 ± 2
- Tighten the screws (16)(from 1 to 16): 90° ± 20°
- Tighten the 8 screws (17)(from 17 to 24)to: 3,3 ± 0,3
- Tighten the screws (17)(from 17 to 24): 47° ± 20°
B1DP1M4DB1DP1M5D
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ENGINE
ENGINE TIGHTENING TORQUES
Lubrication
19 Oil filter cover 2,3 ± 0,3
20 Oil filter support
0,9 ± 0,221 Oil/coolant heat exchanger22 Oil pressure switch 1,3 ± 0,223 Oil pump assembly 0,9 ± 0,224 Oil gauge 2,3 ± 0,325 Oil level sensor 2,7 ± 0,526 Oil sump 0,9 ± 0,227 Drain plug 2,3 ± 0,328 Oil suction strainer 0,9 ± 0,129 Piston skirt spray jets 1 ± 0,130 Turbocharger lubrication pipe 0,9 ± 0,231 Turbocharger lubrication pipe 1,3 ± 0,3Engine: DT17BTED4
B1DP1M6P
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ENGINE
ENGINE TIGHTENING TORQUES
Valve timing
Camshaft pulley hub screw
32Tightening8 ± 0,8
Angular tightening90° ± 5°
33 Camshaft pulley screw 2,3 ± 0,3
Camshaft bearing caps (*)
34Tightening0,5 ± 0,1
Pre-tightening0,9 ± 0,1
35 Tensioner roller for the fuel high pressure pump drive belt 2,5 ± 0,2
Fuel high pressure pump drive pulley
36Tightening8 ± 0,8
Angular tightening90° ± 5°
37 Camshaft timing chain tensioner 0,9 ± 0,138 Timing belt guide roller 4,5 ± 0,3
Timing pinion on crankshaft
39Tightening10 ± 1
Angular tightening90° ± 5°
40 Timing belt tensioner roller 2,6 ± 0,2
(*) Respect the sequence of tightening.Engine: DT17BTED4
B1EP1JCD
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ENGINE
ENGINE TIGHTENING TORQUES
Engine: DT17BTED4
IMPERATIVE: The camshaft bearing caps are marked at "a" with a letter on the front cylinder
head and with a number on the rear cylinder head.
Refit the camshaft bearing caps according to the plan below:
Refit:The camshaft bearing caps (34) 9, 8, 7, 6, 4, 3, 2, D, C, B, A, J, Gand F; the screws (41)
Tightening of the screws (41):
Pre-tighten the screws (41)of the camshaft bearing caps (34)by hand in the following sequence
9, 8, 7, 6, 4, 3, 2, D, C, B, A, J, Gand F.
Pre-tighten the screws (41)of the camshaft bearing caps (34)to 0,5 ± 0,1 m.daNin the following
sequence 9, 8, 7, 6, 4, 3, 2, D, C, B, A, J, Gand F.
Tighten the screws (41)of the camshaft bearing caps (34)to 1 ± 0,1 m.daNin the following
sequence 9, 8, 7, 6, 4, 3, 2, D, C, B, A, J, Gand F.
Apply sealing product LOCTITE 518on the camshaft bearing caps (15) K, 5, Eand J(see procedure:
remove/refit camshaft).
Refit:the camshaft bearing caps K, 5, Eand J.
Tightening of the screws (41):
- Pre-tighten the screws (41)of the camshaft bearing caps (34)by hand in the following sequence
K, 5, Eand J.
- Pre-tighten the screws (41)of the camshaft bearing caps (34)to 0,5 ± 0,1 m.daNin the following
sequence K, 5, Eand J.
- Tighten the screws (41)of the camshaft bearing caps (34)to 1 ± 0,1 m.daNin the following sequence
K, 5, Eand J.
B1DP1MQD
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ENGINE
ENGINE TIGHTENING TORQUES
Injection circuit
42 Diesel fuel/cooolant exchanger 2,2 ± 0,343 Diesel injection pump on support 2,3 ± 0,344 Diesel injection pump pinion 5 ± 0,245 Diesel injector fixing flange screw 0,9 ± 0,1
Union on diesel injector
46Pre-tightening1,5 ± 0,3
Tightening2,3 ± 0,3
Fuel high pressure common injection rail on engine block
47Pre-tightening1,5 ± 0,3Tightening3 ± 0,3
Unions on fuel high pressure common injection rail
48Pre-tightening1,5 ± 0,3Tightening3 ± 0,3
49 Fuel filter support 2,3 ± 0,3
Union on diesel fuel high pressure pump
50Pre-tightening1,5 ± 0,3
Tightening3 ± 0,3
Fuel high pressure common injection intermediate rail
51Pre-tightening1,5 ± 0,3Tightening3 ± 0,3 Engine: DT17BTED4
B1HP246D
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ENGINE
ENGINE TIGHTENING TORQUES
Accessories
52 Screw M8 for automatic tensioner roller (accessories drive belt)2,2 ± 0,3
Screw M10 for dynamic tensioner roller (accessories drive belt)4,7 ± 0,7
53 Guide roller 4,7 ± 0,754 Accessories support 2,3 ± 0,355 Multifunction support 2,3 ± 0,356 Power steering pump pulley 2,3 ± 0,357 Power steering pump 2,3 ± 0,358 Alternator screw 5 ± 0,359 Alternator power circuit 1,4 ± 0,260 Aircon compressor screw 2,3 ± 0,3Engine: DT17BTED4
B1BP3C0D
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ENGINE
SPECIAL FEATURES: CYLINDER HEAD TIGHTENING
Engine: ES9A
B1DP1KHC
Cleaning to be carried out just prior to refitting the cylinder head
WARNING: Clean the contact faces with the approved CITROËN cleaning product.
Do not use abrasives or cutting tools on the contact faces.
The contact faces must not bear any traces of impact or scratching.
Insert a tap in the threads of the holes in the cylinder block receiving the cylinder head bolts.
Brush the threads of the cylinder head bolts.
Oil the threads and under the heads of the bolts, using MOLYKOTE G RAPID PLUS.
Engine Tightening(from 1 to 8)X = MAX. re-usable length
Pre-tightening2 ± 0,2
ES9ASlackeningyes
149,5 mm
Tightening1,5 ± 0,1
Angular tightening225° ± 5°
IMPERATIVE: Take new screws if their length is greater than X mm
.
NOTE: Tightening of the cylinder head after a repair is prohibited.
B1DP1KEC
Front cylinder headRear cylinder head
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ENGINE
SPECIAL FEATURES: CYLINDER HEAD TIGHTENING
Engine: DT17BTED4
B1DP1MLC
Cleaning to be carried out just prior to refitting the cylinder head
WARNING: Clean the contact faces with the approved CITROËN cleaning product.
Do not use abrasives or cutting tools on the contact faces.
The contact faces must not bear any traces of impact or scratching.
Insert a tap in the threads of the holes in the cylinder block receiving the cylinder head bolts.
Brush the threads of the cylinder head bolts.
Oil the threads and under the heads of the bolts, using MOLYKOTE G RAPID PLUS.
Engine Tightening (from 1 to 8)NOT re-usable
Pre-tightening2 ± 0,2
DT17BTED4Tightening4 ± 0,4
New screws
Tightening8 ± 0,8
Angular tightening180° ± 5°
NOTA : Tightening of the cylinder head after a repair is prohibited.
B1DP1MDD
Front cylinder headRear cylinder head
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ENGINE
Tools
BELT TENSION/SEEM UNITS CORRESPONDENCE TABLE
!
4099-T (C.TRONIC.105)4122-T (C.TRONIC.105.5)
!
!
!
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