Subaru 2006 Legacy, Manual

Page: 3064 / 4302

LU(H6DO)-2
General Description
LUBRICATION
1. General Description
A: SPECIFICATION
Recommended oil:
Items having the API standard SL “Energy
Conserving” logo
ILSAC standard GF-4 Star burst mark label
on the container
The proper viscosity oil helps the engine maintain
its ideal temperature, and cranking speed in-
creased by reducing viscosity friction in hot condi-
tion.
CAUTION:
It is acceptable to fill an engine with oil of an-
other brand when replacing the oil, but make
sure to use an oil with an API standard and SAE
viscosity number specified by Subaru.
NOTE:
If the vehicle is used in regions of high tempera-
tures or in other severe environments, use oil with
the viscosities shown below. API standard: SM or
SL
SAE viscosity No.: 30, 40, 10W-50, 20W-40, 20W-
50
Lubrication method Forced lubrication
Oil pump
Pump type Trochoid type
Number of teeth
Inner rotor 7
Outer rotor 8
Outer rotor diameter × thickness mm (in) 86 × 13 (3.39 × 0.51)
Tip clearance between inner and outer rotors
mm (in)
0.04 — 0.14 (0.0016 — 0.0055)
Side clearance between inner rotor and pump case
mm (in)
0.020 — 0.046 (0.0008 — 0.0018)
Case clearance between outer rotor and pump case
mm (in)
0.110 — 0.175 (0.0043 — 0.0069)
Oil filter
Filter type Full-flow filter type
Filtration area
cm
2
(sq in)
1,300 (201.5)
By-pass valve opening pressure
kPa (kg/cm
2
, psi)
160 (1.63, 23.2)
Outer diameter × width mm (in) 80 × 75 (3.15 × 2.95)
Installation screw specifications M 20 × 1.5
Relief valve working pressure
kPa (kg/cm
2
, psi)
708 (7.2, 102.7)
Oil pressure
switch
Type Immersed contact point type
Operating voltage — power consumption 12 V — 3.4 W or less
Warning light operating pressure
kPa (kg/cm
2
, psi)
15 (0.15, 2.2)
Proof pressure
kPa (kg/cm
2
, psi)
980 (10.0, 142) or more
Engine oil
Total capacity (Overhaul)
2
(US qt, Imp qt) 7.2 (7.6, 6.3)
When replacing engine oil and oil filter
2
(US qt, Imp qt) 5.7 (6.0, 5.0)
When replacing engine oil only
2
(US qt, Imp qt) 5.5 (5.8, 4.8)
(1) SAE viscosity No. and applicable temperature
(2) Recommended
LU-02203
( C) -30 -20 -15 0 15 30 40
-22 -4 5 32 59 86 104
SAE (1)
( F)
10W-30, 10W-40
5W-30 (2)
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