General Description - Subaru Legacy 2004 Service Manual

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
OIL PUMP
rotor and pump case
Performance at
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
Oil capacity (at replacement)
Recommended oil:
API classification SL, SJ with the "Energy
Conserving" logo is printed, or SH (if you
cannot obtain the oil with SL, SJ or SH
grades, you may use SG, SF grades "ENER-
GY CONSERVING" oil.)
ACEA specification, A1, A2 or A3
CCMC specification, G4 or G5
New API certification mark (Star burst mark)
label is on the container.
General Description
Inner rotor
Outer rotor
Standard value
Standard value
Standard value
Discharge
pressure
600 rpm
Discharge rate
Discharge
pressure
5,000 rpm
Discharge rate
Outer diameter 68 mm
2
cm (sq in)
Outer diameter 65 mm
Outer diameter 68 mm
mm (in)
Outer diameter 65 mm
LU(H4SO 2.0)-2
mm (in)
mm (in)
mm (in)
mm (in) 0.10 — 0.175 (0.0039 — 0.0069)
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)/min.
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)/min.
2
kPa (kg/cm , psi)
2
kPa (kg/cm , psi)
2
kPa (kg/cm , psi)
2
kPa (kg/cm , psi)
2 (US qt, Imp qt)
SAE (1)
( C) -30 -20 -15
( F) -22 -4 5
5W-30,0W-20 (2)
(1) SAE viscosity No. and applicable temperature
(2) Recommend
CAUTION:
When replacing oil, use only SUBARU genuine
engine oil.
Forced lubrication
Trochoid type
9
10
78 ! 7 (3.07 ! 0.28)
0.04 — 0.14 (0.0016 — 0.0055)
0.02 — 0.07 (0.0008 — 0.0028)
98 (1.0, 14)
3.2 (3.4, 2.8)
294 (3.0, 43)
32.6 (34.4, 28.7)
490 (5.0, 71)
Full-flow filter type
800 (124)
470 (73)
157 (1.60, 22.8)
68 ! 65 (2.68 ! 2.56)
65 ! 74.4 (2.56 ! 2.93)
M 20 ! 1.5
Immersed contact point type
12 V — 3.4 W or less
14.7 (0.15, 2.1)
981 (10, 142) or more
4.0 (4.2, 3.5)
0 15 30 40
32 59 86 104
10W-30,10W-40
LU-00071