Repair Manual

VALUES AND SETTINGS
07
07 - 7
CYLIDER HEAD TIGHTENING AND RETIGHTENING
ATTENTION!
In order to obtain a correct tightening of the cylinder head screws, clean the attachment
holes of the cylinder head of oil or coolant liquid, by means a syringe.
Grease the thread of screws with engine oil.
CYLINDER HEAD TIGHTENING
Tighten at the required moment (6,5 daNm)
observing the tightening sequence from the
drawing.
CYLINDER HEAD RE TIGHTENING
Retightening of the cylinder head is
performed as follows:
- for new vehicles at the 800 – 1000 km
check u;
- in case of engine repairing, which
implies the cylinder head dismounting, after
800 – 1000 km driving;
- every 10.000 km.
For retightening, loose the screw (1) with 1/4 rotation, after that retighten it to the
require moment:
- 6,5 daNm at warm (50 min. after engine shopping);
- 5,5-6,5 daNm at cold.
Repeat this operation also for the other screws, observing the sequence showed in the
drawing.
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