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ENGINE
89
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
17 Oil circuit plugs 3 ± 0,3
Coolant pump screw (*)
18Pre-tightening0,8
Tightening1,4 ± 1
19 Cooling circuit plug 3 ± 0,7
Flywheel screw (*)
20Pre-tightening0,8 ± 0,1
Tightening2 ± 0,2
Angular tightening23°±5°
Crankshaft bearing cap cover screw (*)
21Pre-tightening1 ± 0,1
Tightening2 ± 0,1
Angular tightening60°±5°
Engine: RFK
B1DP1KTP
(*) = IMPERATIVE: Respect the tightening sequence (see following page).
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
22 Crankshaft bearing cap sealing screw 1 ± 0,1
Con rod cap bolt (*)
23Pre-tightening1
Tightening2,3 ± 0,1
Angular tightening46°±3°
24 Knock sensor 2 ± 0,5
Accessories drive belt pulley screw
25Tightening4 ± 0,4
Angular tightening80°±5°
Engine: RFK
B1DP1KTP
(*) = IMPERATIVE: Respect the tightening sequence (see following page).
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines 8HX 8HZ
Crankshaft
Bearing cap fixing screws
Pre-tightening1
SlackeningYES
Tightening3
Angular tightening140°
Con rod nuts
Pre-tightening1
SlackeningYES
Tightening1,5 ± 0,1
Angular tightening100° ± 5°
Accessories drive pulley
Pre-tightening3 ± 0,4
Angular tightening180° ± 5°
Cylinder blocks
Sump1 ± 0,1
Timing belt guide roller 4,5 ± 0,4 3,7 ± 0,4
Timing belt tensioner roller 3 ± 0,3 2,3 ± 0,3
XSARA
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines8HX - 8HZ
Diesel injection circuit
Spherical-base screws for diesel injection fixing fork 0,3 ± 0,1
Fuel high pressure common injection rail on engine block 2 ± 0,2
Unions on fuel high pressure common injection rail
Pre-tightening1,7± 0,2
Tightening2,25 ± 0,2
Diesel injection pump on support
Union on diesel injection pump2,25 ± 0,2
Diesel injection pump pulley5 ± 0,5
Union on diesel high pressure pump 2,25 ± 0,2
Cooling circuit
Coolant pump
Pre-tightening0,3 ± 0,06
Tightening1 ± 0,1
Coolant outlet housing
Pre-tightening0,3 ± 0,06
Tightening0,7 ± 0,08
XSARA
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
Coolant pump
14Pre-tightening0,3 ± 0,1
Tightening0,9 ± 0,1
Con rod screws
15Pre-tightening1 ± 0,1
Angular tightening100° ± 5°
Flywheel (according to equipment)
16Pre-tightening1,7 ± 0,2
Angular tightening75°±5°
Clutch mechanism 2 ± 0,2
Engine: 9HX
B1DP1LKPB1CP0GKC
(16) Sequence for tightening the flywheel screws
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
Bearing cap fixing screws
Pre-tightening1 ± 0,2
17Slackening180°
Tightening3 ± 0,3
Angular tightening140° ± 5°
18 Crankshaft bearing cap cover screws 0,8 ± 0,3
Crankshaft bearing cap cover screws
19Pre-tightening0,6 ± 0,2
Tightening0,8 ± 0,3
Accessories drive pulley
20Pre-tightening3,5 ± 0,4
Angular tightening190° ± 5°
Engine: 9HX
B1DP1LKP
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
Crankshaft bearing cap cover
Tightening method:
Pre-tighten the 10screws (17)
(from 1 to 10)to1
Pre-tighten the 14screws (19) (from 11 to 24)to 0,6
Tighten the 2 screws (18) (inside the flywheel bell housing)to0,8
Slacken the screws (17)by 180°
Tighten the 10screws (17)
(from 1 to 10)to 3
Tighten the screws (17) (from 1 to 10)by 140°Tighten the 14screws (19) (from 11 to 24)to0,8
Engine: 9HX
B1DP1LLD
Sequence for tightening the screws (17), (18) and (19)
(17) Bearing cap fixing screws
(screw M9)
(18) Crankshaft bearing cap cover screws(screw M6)
(19) Crankshaft bearing cap cover screws (screw M6)
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Injection circuit
44 Diesel fuel high pressure pump rear support 2 ± 0,5
Union on diesel fuel high pressure pump
45Pre-tightening2 ± 0,5
Tightening2,5 ± 0,3
46 Fuel high pressure common injection rail on engine block 2,2 ± 0,3
Unions on fuel high pressure common injection rail
47Pre-tightening2 ± 0,5
Tightening2,5 ± 0,3
48 Fuel filter support 0,7 ± 0,1
Engine: 9HX
B1HP22SD
C4
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