2005 Citroen C4 head

Downloaded from www.Manualslib.com manuals search engine 91
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
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 91

Downloaded from www.Manualslib.com manuals search engine 97
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
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 97

Downloaded from www.Manualslib.com manuals search engine 100
ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
1 Air inlet manifold 1 ± 0,1
2 Oil trap 1 ± 0,1
Camshaft bearing covers
3Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
Engine: 9HY
B1BP39YPB1DP1D7D
(3) Camshaft bearing cover screws
(4) Camshaft bearing cover studs
C4
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 100

Downloaded from www.Manualslib.com manuals search engine 101
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
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 101

Downloaded from www.Manualslib.com manuals search engine 102
ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
9 Exhaust manifold 2,5 ± 0,2
10 Exhaust manifold stud 1 ± 0,2
11 Turbocompressor nuts 2,6 ± 0,6
12 Catalytic converter nuts 2 ± 0,1
Air flowmeter
13Pre-tightening0,1
Tightening0,9 ± 0,2
Engine: 9HX
B1BP39YP
C4
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 102

Downloaded from www.Manualslib.com manuals search engine 112
ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
1 Air inlet manifold 1 ± 0,1
2 Oil trap 1 ± 0,1
Camshaft bearing cover screws
3Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
Engines: 9HY - 9HZ
B1DP1D7D
(3) Sequence for tightening the camshaft bearing cover screws
B1BP39XP
C4
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 112

Downloaded from www.Manualslib.com manuals search engine 113
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
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 113

Downloaded from www.Manualslib.com manuals search engine 114
ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
9 Exhaust manifold 5 ± 0,2
10 Exhaust manifold stud 1 ± 0,2
11 Turbocompressor nuts 2,6 ± 0,6
12 Catalytic converter nuts 2 ± 0,1
Double butterfly housing (according to equipment)
13Pre-tightening0,1
Tightening0,9 ± 0,2
Engines: 9HY - 9HZ
B1BP39XP
C4
Angl.-t2-page040-134-2005 9/01/06 10:11 Page 114