Subaru Legacy 2005 Service Manual page 1212

LUBRICATION
1. General Description
A: SPECIFICATION
Lubrication method
Pump type
Number of teeth
Outer rotor diameter × thickness
Tip clearance between inner and outer rotors
Side clearance between inner rotor and pump case
Case clearance between outer rotor
and pump case
Oil pump
Performance
at oil temperature 80°C
(176°F)
Relief valve working pressure
Filter type
Filtration area
Oil filter By-pass valve opening pressure
Outer diameter × width
Installation screw specifications
Type
Working voltage — wattage
Oil pressure
switch Warning light activation pressure
Proof pressure
Capacity (at overhaul)
Engine oil When replacing engine oil and oil filter
When replacing engine oil only
General Description
Inner rotor
Outer rotor
Specifica-
tion
Discharge
kPa (kgf/cm
pressure
600 rpm
Discharge
rate
Discharge
kPa (kgf/cm
pressure
6,000 rpm
Discharge
rate
kPa (kgf/cm
(Outer diameter:
68 mm (2.68 in))
2
cm (sq in)
(Outer diameter:
65 mm (2.56 in))
kPa (kgf/cm
(Outer diameter:
68 mm (2.68 in))
mm (in)
(Outer diameter:
65 mm (2.56 in))
kPa (kgf/cm
kPa (kgf/cm
2 (US qt, Imp qt)
2 (US qt, Imp qt)
2 (US qt, Imp qt)
LU(H4DOTC)-2
78 × 12 (3.07 × 0.47)
mm (in)
mm (in) 0.04 — 0.14 (0.0016 — 0.0055)
mm (in) 0.02 — 0.07 (0.0008 — 0.0028)
mm (in) 0.10 — 0.175 (0.0039 — 0.0069)
2
, psi)
2 (US qt, Imp
6.5 (6.9, 5.7) or more
qt)/min.
2
, psi)
2 (US qt, Imp
59.0 (62.3, 51.9) or more
qt)/min.
2
, psi)
Full-flow filter type
2
, psi)
68 × 65 (2.68 × 2.56)
65 × 74.4 (2.56 × 2.93)
Immersed contact point type
12 V — 3.4 W or less
2
, psi)
2
981 (10, 142) or more
, psi)
Forced lubrication
Trochoid type
9
10
98 (1.0, 14)
588 (6.0, 85)
588 (6.0, 85)
800 (124)
470 (72.9)
160 (1.63, 23.2)
M 20 ×1.5
14.7 (0.15, 2.1)
5.0 (5.3, 4.4)
MT: 4.3 (4.5, 3.8)
AT: 4.2 (4.4, 3.7)
4.0 (4.2, 3.5)