Removing the oil sump
OIL SUMP TEST
Visually check the oil sump to detect possible dam-
age or cracks. Replace the oil sump, if necessary.
Pistone
Piston - Removal and inspection
Piston and connecting rod test
Coupling check between the piston and the pin
Turn the piston around the pin axle. If the move-
ment turns hard, replace the piston and pin.
- IF THE PISTON MOVES REGULARLY, WITHOUT JAM-
MING, THIS PISTON COUPLING IS CONSIDERED NOR-
MAL.
Reference:
Check clearance between the piston and the pin
is as specified.
Clearance measurement between the piston
and the pin
- Clearance can be measured following the proce-
dure below.
1.Clearance measurement with the piston and
connecting rod assembled: place the connecting
rod between two V blocks resting on a reference
surface. Measure clearance trying to move the
piston, as indicated in the figure.
- THIS COUPLING CLEARANCE CAN NOT BE MANUALLY
DETECTED.
Characteristic
Piston/pin clearance
Engine PORTER 1.3 16V
EN - 298
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