Technical data

COMPLETE CAR
CHECK ANiD ADJUSTMENT
OF THE IDLE R.P.M.
‘For @m-l only
Carry out the adjustment of the idle
r.p.mi with the engine warmed up,
the g~ears in neutral and all ancillary
devices tut out, operating as follows.
Unlock ‘the locknut and turn the
adjusting screw 0 until the speci-
fied value
920 + 960 r.p.m.
is encountered.
1
w
1 Adjusting screw
CAkYTlC MUFFLER
REPLACEMENT
This :procedure is for electronic in-
jection 1.7 engines with catalytic
muffler only.
When Km stated on “Chart of Vehicle
Mainten:ance’ Operations” are co-
verecl, please proceed to replace cata-
lytic muffler as follows:
1. &t the vehicle on auto lift.
2. Loosen clamp @ bolt.
~
3. Unscrew the three bolts on flange
@ contiecting catalytic muffler and
exhaust manifolds.
4. Unscrew catalytic muffler @
from split rings @ and remove it dis-
engaging it from rear track of exhaust
pipe.~
PA3335kJ883300
1 Catalytic muffler
2 Supporting split ring
3. Clamp
4. Flange connecting catalytic
muffler - exhaust manifold
5. Install a new catalytic muffler
working with opposite order in respect
to removal, fitting a new gasket on
flange connecting exhaust manifold.
6.
Check that, with the engine runn-
ing, there are no leaks from’ pipe
connections and that the exhaust
system is not unusually noisy
LAtiBDA ;PROBE
REPLACEMENT
This procedure is valid for electronic
injection 1.7 engines with catalytic
convertor only.
At km stated on “Chart of vehicle
Maintenance Operations” replace
lambda probe as follows:
00-l 7
1.
Put the vehicle on auto lift.
2. Working from en ine room, dis-
connect connectors 1
Q
and @ of
lambda probe and disengage wiring
from clips.
1
Lambda probe resistance connecter
2 Lanibda probe signal connecter
3 Working from below the vehicle,
unscrew Lam,bda probe 0 and
remove it.
1 Laibda probe
4. On installation, spread the probe
body thread with grease R. Gori Never
Seez or Bosch 5.964.080.1005 and
tighten iifully
5. Reconnectthewiringofthelambda
probe.
May 1988