Engine Lubrication System: For M16A Engine with VVT 1E-9
Radial clearance
Check radial clearance between outer rotor (1) and case
(2) using thickness gauge (3).
If clearance exceeds its limit, replace outer rotor or case.
Radial clearance between outer rotor and case for oil
pump
Limit: 0.310 mm (0.0122 in.)
Side clearance
Using straightedge (1) and thickness gauge (2),
measure side clearance.
If side clearance exceeds its limit, replace oil pump
assembly.
Side clearance for oil pump inner rotor
Limit: 0.15 mm (0.0059 in.)
Relief valve spring free length and load
Check relief valve spring free length and load as shown
in the figure. If the measured valve spring length is lower
than the specification, replace relief valve spring.
Relief valve spring free length and load
I2RH0B150026-01
I2RH0B150027-01
Standard Limit
Free length
52.4 mm
(2.06 in.)
—
Load at spring
length
38.5 mm (1.52 in.)
77 N
(7.7 kgf, 17.0 lb)
69 N
(6.9 kgf, 15.0 lb)
I2RH01150023-01
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