Cylinder Head Tightening - CITROEN C6 2005 Service Manual

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.
Front cylinder head
B1DP1KEC
Rear cylinder head
B1DP1KHC
SPECIAL FEATURES: CYLINDER HEAD TIGHTENING
Engine: ES9A
Cleaning to be carried out just prior to refitting the cylinder head
Engine
Pre-tightening
Slackening
ES9A
Tightening
Angular tightening
IMPERATIVE: Take new screws if their length is greater than X mm.
NOTE: Tightening of the cylinder head after a repair is prohibited.
Tightening (from 1 to 8)
42
X = MAX. re-usable length
2 ± 0,2
yes
149,5 mm
1,5 ± 0,1
225° ± 5°