Subaru Legacy III (2000-2003 year). Service manual — part 285
CO(H6DO)-38
COOLING
ENGINE COOLING SYSTEM TROUBLE IN GENERAL
MEMO:
LUBRICATION
LU(H6DO)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Oil Pressure System . . . . . . . . . . . . . . . . . . . . ...7
Engine Oil. . . . . . . . . . . . . . . . . . . . . . . . . 9
Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . ...11
Oil Pump Relief Valve . . . . . . . . . . . . . . . . . . . ...13
Oil Pan and Strainer . . . . . . . . . . . . . . . . . . . . ..14
Oil Pressure Switch. . . . . . . . . . . . . . . . . . . . ...16
Engine Oil Filter. . . . . . . . . . . . . . . . . . . . . . .17
Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . ..18
Engine Lubrication System Trouble in General. . . . . . . . . . .20
LU(H6DO)-2
LUBRICATION
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
Lubrication method
Forced lubrication
Oil pump
Pump type
Trochoid type
Number of teeth
Inner rotor
9
Outer rotor
10
Outer rotor diameter
×
thickness
78
×
11 mm (3.07
×
0.43 in)
Tip clearance between inner and outer rotor
Standard
0.04 — 0.14 mm (0.0016 — 0.0055 in)
Limit
0.20 mm (0.0079 in)
Side clearance between inner rotor and
pump case
Standard
0.02 — 0.08 mm (0.0008 — 0.0031 in)
Limit
0.15 mm (0.0059 in)
Case clearance between outer rotor and
pump case
Standard
0.11 — 0.18 mm (0.0043 — 0.0071 in)
Limit
0.25 mm (0.0098 in)
Oil filter
Type
Full-flow filter type
Filtration area
1,300 cm
2
(201.5 sq in)
By-pass valve opening pressure
160 kPa (1.63 kg/cm
2
, 23 psi)
Outer diameter
×
width
80
×
75 mm (3.15
×
2.95 in)
Oil filter to engine thread size
M 20
×
1.5
Relief valve peration pressure
588 kPa (6 kg/cm
2
, 85 psi)
Oil pressure
switch
Type
Immersed contact point type
Working voltage — wattage
12 V — 3.4 W or less
Warning light activation pressure
15 kPa (0.153 kg/cm
2
, 2.18 psi)
Proof pressure
More than 980 kPa (9.993 kg/cm
2
, 142 psi)
Oil capacity (When replacing oil)
5.6 L (5.9 US qt, 4.9 Imp qt)
LU(H6DO)-3
LUBRICATION
GENERAL DESCRIPTION
MEMO:
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