1701I–02
A33002
A33003
A33004
17–20
–
LUBRICATION
OIL PUMP ASSY (1MZ–FE)
1866
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
OVERHAUL
1.
REMOVE OIL PUMP RELIEF VALVE
(a)
Remove the plug, spring and relief valve.
2.
INSPECT OIL PUMP RELIEF VALVE
(a)
Apply a light coat of engine oil.
(b)
Check that it falls smoothly into the valve hole by its own
weight.
3.
INSPECT OIL PUMP ASSY
(a)
Remove the oil pump cover.
(1)
Remove the 10 screws and the oil pump cover.
(b)
Remove oil pump rotor set.
NOTICE:
Do not change the combination and install direction of the
two rotors.
(c)
Inspect oil pump rotor set.
(1)
Apply a light coat of engine oil to the oil pump rotor
set and place them into the oil pump body. Check
that the rotors revolve smoothly.
(d)
Inspect rotor tip clearance.
(1)
Using a feeler gauge, measure the clearance be-
tween the drive and driven rotor tips.
Standard tip clearance:
0.11 – 0.24 mm (0.0043 – 0.0094 in.)
Maximum tip clearance: 0.35 mm (0.0138 in.)
(e)
Inspect rotor body clearance.
(1)
Using a feeler gauge, measure the clearance be-
tween the driven rotor and body.
Standard body clearance:
0.125 – 0.162 mm (0.0050 – 0.0064 in.)
Maximum body clearance: 0.30 mm (0.0118 in.)
