Subaru LEGACY 2003 Service Manual page 14

LUBRICATION
D: ASSEMBLY
1) Install front oil seal by using ST.
ST 499587100 OIL SEAL INSTALLER
NOTE:
Use a new oil seal.
2) Apply engine oil to inner and outer rotors.
3) Install inner and outer rotors in their original po-
sitions.
4) Install oil relief valve and relief valve spring.
5) Install oil pump cover.
Tightening torque:
T1: 5 N·m (0.5 kgf-m, 3.6 ft-lb)
T2: 44 N·m (4.5 kgf-m, 33 ft-lb)
ST
LU-00021
T1
T2
LU-00022
LU(H4SO)-12
OIL PUMP
E: INSPECTION
1. TIP CLEARANCE
Measure the tip clearance of rotors. If the clearance
exceeds the limit, replace rotors as a set.
Tip clearance:
Standard
0.04 — 0.14 mm (0.0016 — 0.0055 in)
Limit
0.18 mm (0.0071 in)
2. CASE CLEARANCE
Measure the clearance between the outer rotor and
the cylinder block rotor housing. If the clearance
exceeds the limit, replace the rotor.
Case clearance:
Standard
0.10 — 0.175 mm (0.0039 — 0.0069 in)
Limit
0.20 mm (0.0079 in)
LU-00023
LU-00024