- Citroen C3 Diesel cylinder head bolts tightening sequence
Bolts are 'stretch bolts' and can be reused if they are no longer than 149mm
- Citroen C3 head bolt
The torque is a Pre-tightening of : 2 ± 0.2 m.daN,
then a tightening of : 4 ± 0.4 m.daN
Followed up by an angular tightening of : 230° ± 5°
Deca Newton Meter (daN·m) is 0.1 of 1 Newton Meter (N·m)
Advice for head bolt reuse:
The bolts should have been thoroughly cleaned with a dry wire brush.
Lubricate the threads and under the heads of the bolts with this Molykote G-Rapid Plus.
Gently pass a tap into the holes in the cylinder block to clean the threads.
A complete set of the 10 bolts is available here should yours be suspect, exceed 149mm or show any surface corrosion.
