Tightening The Cylinder Head - Renault 2000 Megane Technical Note

VALUES AND SETTINGS

Tightening the cylinder head

Tightening the cylinder head
METHOD FOR TIGHTENING THE CYLINDER HEAD
REMINDER: in order to tighten the bolts correctly, use
a syringe to remove any oil which may have entered
the cylinder head mounting bolt holes.
All the cylinder head bolts must always be changed
after removal. There is no cylinder head retightening
operation.
Preseating the gasket
Tighten all the bolts to 3 daN.m, then angle tighten to
100˚ ± 4˚ in the order shown below.
Wait 3 minutes settling time.
Tightening the cylinder head:
– cylinder head tightening is carried out in stages, and
the following procedure is applied successively to
bolts 1-2 then 3-4, 5-6, 7-8 and 9-10,
– slacken bolts 1-2 until they are completely free,
– tighten bolts 1-2 to 2.5 daN.m, then angle tighten to
213 ± 7˚,
– repeat the slackening and tightening operations for
bolts 3-4, 5-6, 7-8 and 9-10.
There is no cylinder head retightening operation.
90775S
07-5
07