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ENGINE
91
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engine: RFK
B1GP08WCB1DP05BC
IMPERATIVE: Respect the tightening sequence.
Cylinder head
(21) Crankshaft bearing cap screws
(23) Con rod cap screws(20) Flywheel screws(18) Coolant pump screws
B1CP0GCC
C4
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Page 103 of 462
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines8HX 8HZ
Cylinder head
Camshaft bearing covers
Pre-tightening0,5
Tightening1
Fixing of camshaft sub-assemblies on cylinder head
Pre-tightening0,5
Tightening1
Exhaust manifold2,5 ± 0,2
Valve cover2,5 ± 0,2
Camshaft pulley4,3 ± 0,4
Flywheel
Flywheel
Pre-tightening1,7 1,7
Angular tightening70°±5° 75°±5°
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump assembly
Pre-tightening0,5 ± 0,06
Tightening0,9 ± 0,1
Coolant/oil heat exchanger1 ± 0,1
XSARA
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Page 104 of 462
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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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Page 107 of 462
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Camshaft bearing cover studs
4Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
5 Exhaust gas recycling electrovalve (EGR) 1 ± 0,1
Cylinder head
6Pre-tightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260° ± 5°
7 Vacuum pump 1,8 ± 0,2
Coolant outlet housing
8Pre-tightening0,3 ± 0,1
Tightening0,7 ± 0,1
Engine: 9HX
B1DP05BC
(6) Sequence for tightening the cylinder head bolts
B1BP39YP
C4
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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)
Lubrication
21
Turbocharger lubrication pipe3 ± 0,5
222,1 ± 0,3
23 Oil pressure switch 2 ± 0,2
24 Oil gauge 0,8 ± 0,2
25 Electric oil gauge 2,7 ± 0,5
26 Piston skirt spray jets 2 ± 0,5
27 Oil filter cover 2,5 ± 0,5
28 Oil filter support 1 ± 0,2
29 Coolant/oil heat exchanger 1 ± 0,1
30 Drain plug 2,5 ± 0,3
31 Oil induction strainer 1 ± 0,1
32 Sump 1,2 ± 0,2
33 Oil pump assembly 0,9 ± 0,1
Engine: 9HX
B1DP1LMD
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Camshaft bearing cover studs
4Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
5 Exhaust gas recycling electrovalve (EGR) 1 ± 0,1
Cylinder head
6Pre-tightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260° ± 5°
7 Vacuum pump 1,8 ± 0,2
Coolant outlet housing
8Pre-tightening0,3 ± 0,1
Tightening0,7 ± 0,1
Engines: 9HY - 9HZ
B1DP05BC
(6) Sequence for tightening the cylinder head bolts
B1BP39XP
C4
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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°
Damping flywheel (according to equipment)
Pre-tightening3 ± 0,3
16Angular tightening90°±5°
Flywheel (according to equipment)
Pre-tightening1,7 ± 0,2
Angular tightening75°±5°
Engines: 9HY - 9HZ
B1DP1LKPB1CP0GKC
(16) Sequence for tightening the flywheel screws
C4
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