3. End clearance measurement
With thickness gauge, measure clearance be-
tween the end (tip) of the internal rotor and that one
of the external rotor.
REPLACE THE ROTOR SERIES IF CLEARANCE EXCEEDS
THE PRESCRIBED VALUE.
Characteristic
Clearance
0.16 - 0.24
4. Side clearance measurement
With a rectified bar section and a thickness gauge,
measure side clearance between rotors and the oil
pump housing.
REPLACE THE OIL PUMP IF CLEARANCE EXCEEDS THE
PRESCRIBED VALUE.
Characteristic
Maximum clearance allowed:
0.04 - 0.08 mm
WEAR CHECK
Check if the pump cover rotor series connection
surface is worn.
- REPLACE THE OIL PUMP COVER IF WORN.
Oil cartridge
Oil filter fitting
1. Apply a reduced quantity of engine oil onto the
oil filter gasket.
Engine PORTER 1.3 16V
EN - 358