CITROEN C2 Handbook page 80

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.
B1DP1CLC
NOTE: Tightening of the cylinder head after a repair is prohibited.
SPECIAL FEATURES - CYLINDER HEAD TIGHTENING
Diesel engines
Cleaning to be carried out just prior to refitting.
Engines
8HX - 8HZ
Pre-tightening
Tightening
8HY Angular tightening
Pre-tightening
9HX Tightening
Angular tightening
Tightening
(m.daN)
74
Cylinder head bolts
(Max. reusable length in mm)
2 ± 0,2
4 ± 0,4 149
230° ± 5°
2 ± 0,2
4 ± 0,4 147
260° ± 5°