CITROEN C5 Handbook page 60

Pre-tightening
Slackening
Tightening
Angular
tightening
CYLINDER HEAD
Engines : RFN - 3FZ
Cylinder head tightening (m.daN)
Tighten in the order indicated
RFN
1/ : 1.5
2/ : 5
360°
2
285°
3FZ
270°
57
Cylinder head bolts
B1DK001C
X = MAX. re-usable length
RFN
3FZ
144.5 mm 127.5 mm
C8
B1DB002C