ENGINE AND PERIPHERALS
En
gine repair10
- the camshaft seal,
- the camshaft flange,
92078R
10010S
- the camshaft,
- the fuel pump (if fitted),
- the distributor with the ignition wiring loom,
- the thermostat housing,
- the spark plugs,
- the camshaft sprocket, after immobilising i
t
with
Mot. 799-01.
Compress the valve springs (e.g. with
FACOM tool
U43L).
Remove the collets, the upper cups, the springs,
the valves, the valve seals using the pliers
Mot.
1335 and the lower cups. The wearing of gloves is recommended during
this operation.
Do not allow any product to drip on to paintwork.
We would like to stress that the utmost care
should be taken in carr
ying out this operation to
prevent foreign bodies from penetrating the
pipes feeding oil under pressure to the camshafts
(pipes located both in the cylinder block and in
the c
ylinder head) and in the oil return pipe.
Failure to follow this instruction would in fact ris
k
blocking the nozzles of the valve rockers and qui-
ckly causing damage to the rocker cams and fin-
gers. Cleanin
g
It is very important not to scratch the sealing
faces of aluminium parts.
Use the product Decapjoint to dissolve any part of
the seal which remains.
Apply the product to the part to be cleaned; wai
t
about ten minutes, then remove it by means of a
wooden spatula.
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Engine fitted with a CAMSHAFT SPROCKET WITH
MARKS
Set the engine to TDC with ignition in cylinder
No.1.
Turn the crankshaft clockwise
(seen from the
timing side)
as far as the first mark.
SET:exhaust 1
exhaust 3
move on to the second mark:
SET:inlet 1
inlet 3
third mark:
SET:exhaust 2
exhaust 4
fourth mark:
SET:inlet 2
inlet 4
ENGINE AND PERIPHERALS
En
gine repair10
10072S
10-49
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