Technical data

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ENGINE MAIhI ‘MECHANICAL UNIf
6. Flem&e sleeve and cooling sys-
tem union.
(1)L~o~enclampsfixingfollowingcool-
,ing s’ys’tem hoses:
-
Hqse, @ connecting between
thermostat and union ‘0
-
Hose 0, connecting between
ihkrmostat’and union @
-
Hdse' ,@'
connecting thermo-
s$f a,nd right manifold.
(2) Rehove hose @ and @ .
8,
1 Ho’se &necting thermostat-union
2 Un~ion
3 H+e connecting thermostat-union
4 Thermostat
5 Hose connecting thermostat - right mani-
!Ol’d
(3) $nscrew and take out screws
@
fixing union m@ on cylinder block,
the,n ;reniove union.
PA3!3500883300
1 Union
2 Screws
7. Remove thermostat.
Remove screw @ fixing thermostat
@ on cylinder block and remove it.
9. P’ropeed as per (Alfa331 from
step 11 to end, but for step 21 “Re-
move Cylinder Heads”, which should
be modified as follows:
(1) Unscrew the six screws @ which
secure cylinder headsto, engine block.
(2) Remove heads ‘along with cam-
shaft Supports and the gaskets on en-
gine bldck.
1 Screws securing heads and camshafi sup-
ports:to engine block
~ CYLINDER HEADS
Procedure is as per [=33)
taking
into account that camshaft supports
have no caver. Therefore, on head
supports disassembly, recover the oil
still present in the supports.
1 Screw
2 Thermostat
8. Remove intake manifolds
(1) Unscrew all, three nuts securing
each intake manifold and remove
them from heads with relevant
gaskets.
(2) If necessary, remove water tem-
perature transmitters from iniake
hanifolds.
(3) If necessary, working on bench,
p.2.0226
unscrew the two fixing screws and
remove supplementary, air solenoid 1 Camehafl support
valve from right manifold.
2 Cylinder head
cil-13
May 1988
I