Mazda 13B-MSP User Manual Page 46

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MECHANICAL
01–10–29
01–10
Engine Workshop Manual 13B-MSP (Multi Side Port) (1773–1U–03C)
Revised 6/2008 (Ref. No. R108/08)
OIL PUMP INSPECTION
CHU011014100E01
Type A
1. Measure the body clearance between the outer
rotor and the body using a feeler gauge.
If it exceeds the maximum specification,
replace the oil pump.
Standard body clearance
0.20—0.25 mm {0.0079—0.0098 in}
Maximum body clearance
0.3 mm {0.0118 in}
2. Measure the tip clearance between the inner rotor
and the outer rotor using a feeler gauge.
If it exceeds the maximum specification,
replace the oil pump.
Standard tip clearance
0.03—0.12 mm {0.0012—0.0047 in}
Maximum tip clearance
0.15 mm {0.0059 in}
3. Measure the side clearance between the rotor
and the side housing using a straight edge and a
feeler gauge.
If it exceeds the maximum specification,
replace the oil pump.
Standard side clearance
0.03—0.125 mm {0.0012—0.0049 in}
Maximum side clearance
0.15 mm {0.0059 in}
Type B
Note
The oil pump cannot be disassembled because it is a precision unit. If a malfunction occurs, replace the
oil pump component as a single unit.
1. Visually inspect the oil pump gasket.
Replace the oil pump component if the condition corresponds to any one of the following:
The lip is damaged.
The lip and the metallic outer ring are at
the same level.
End Of Sie
BHJ0110E067
BHJ0110E068
BHJ0110E069
METALLIC OUTER RING
SHAPE OF NEW GASKET LIP
SHAPE OF DETERIORATED
GASKET LIP (LEVEL WITH
METALLIC OUTER RING)
GHE0110E002
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