2001 SUBARU LEGACY alternator

11-22Drive belts
The alternator, p ower steering p ump , and air c ond it
ioner c omp ressor d e-
p end on d rive b elts. Satisfac tory p erformanc e req ui res that b elt tension
b e c orrec t.
2.5 liter models
HGA005BB
in (mm)
Deflection
New beltUsed belt
10.28 — 0.35
(7.0 — 9.0)0.35 — 0.43
(9.0 — 11.0)
20.30 — 0.33
(7.5 — 8.5)0.35 — 0.40
(9.0 — 10.0)
To c hec k b elt tension, p lac e a straig hted g e (ruler) ac ross two ad ja-
c ent p ulleys and ap p ly a forc e of 22 lb (98 N, 10 k g ) mid way b etween
the p ulleys b y using a sp ring sc ale. Belt d eflec tio n should b e the
amount sp ec ified . 3.0 liter models
It is unnec essary to c hec k b elt tension p eriod ic all y b ec ause your
eng ine is eq uip p ed with an automatic b elt tension a d juster. However,
rep lac ement of the b elt should b e d one ac c ord ing to the maintenanc e

Specifications12-3
–
CONTINUED –
Overall heig ht 62.2 in (1,580 mm)
Ground c learanc e
2.5 liter mod els 7.3 in (185 mm)
3.0 liter mod els 7.9 in (200 mm)
Front tread 57.9 in (1,470 mm)
Rear tread 57.7 in (1,465 mm)
Wheelb ase 104.3 in (2,650 mm)
Engine 2.5 liter
Eng ine mod el EJ251
Eng ine typ e Horizontally op p osed , liq uid c ooled
4 c ylind er, 4 stroke g asoline eng ine
Eng ine d isp lac ement 2,457 c c (149.9 c u in.)
Bore 3.92 in (99.5 mm)
Stroke 3.11 in (79.0 mm)
Comp ression ratio 10.0 : 1
Firing ord er 1 - 3 - 2 - 4 3.0 liter
Eng ine mod el EZ30D
Eng ine typ e Horizontally op p osed , liq uid c ooled 6 c ylind er, 4 stroke g asoline eng ine
Eng ine d isp lac ement 2,999 c c (183.0 c u in.)
Bore 3.51 in (89.2 mm)
Stroke 3.15 in (80.0 mm)
Comp ression ratio 10.7 : 1
Firing ord er 1 - 6 - 3 - 2 - 5 - 4
Electrical system 2.5 liter
Battery typ e and c ap ac ity
MT: 55D23L
AT: 75D23L
Alternator 12V-90A

12-4Sp ark p lug s typ e RC10YC4 (Champion)
RC8YC4 (Champ ion)
BKR6E-11 (NGK)
K20PR-U11 (NIPPONDENSO)
3.0 liter
Battery typ e and c ap ac ity 75D23L
Alternator 12V-100A
Sp ark p lug s typ e PLFR6A-11 (NGK)
Capacities
Fuel tank 16.9 US g al (64 liters, 14.1 Imp g al)
Eng ine oil 2.5 liter 4.2 US q t (4.0 liters, 3.5 Imp q t)
3.0 liter 6.0 US q t (5.7 liters, 5.0 Imp q t)
Transmission oil (MT) 3.7 US q t (3.5 liters, 3.1 Imp q t)
Transmission fluid (AT) 9.8 US q t (9.3 liters, 8.2 I mp q t)
AT d ifferential g ear oil 1.3 US q t (1.2 liters, 1.1 Imp q t)
Rear d ifferential g ear oil 0.8 US q t (0.8 liter, 0.7 Imp q t)
Power steering g ear fluid 0.7 US q t (0.7 liter, 0.6 Imp q t)
Eng ine c oolant 2.5 liter MT 7.2 US q t (6.8 liters, 6.0 Imp q t)
AT 7.1 US q t (6.7 liters, 5.9 Imp q t)
3.0 liter 8.1 US q t (7.7 liters, 6.7 Imp q t)
Tires Legacy
Typ e Steel b elted rad ial, Tub eless
Size Brig hton P195/60R15 87H L P205/60R15 90H
GT P205/55R16 89H
Temp orary sp are T135/70D16
Pressure Front Brig hton 33 p si (230 kPa, 2.3 kg /c m 2
)
GT, L 32 p si (220 kPa, 2.2 kg /c m 2
)
Rear Brig hton 32 p si (220 kPa, 2.2 kg /c m 2
)
GT, L 30 p si (210 kPa, 2.1 kg /c m 2
)
Temp orary sp are 60 p si (420 kPa, 4.2 kg /c m 2
)

12-10
Fuse panel located in the engine compartment 2.5 liter models
HBC003BB
Fuse panelFuse ratingCircuit
120ARad iator c ooling fan (Main)
220ARad iator c ooling fan (Sub )
350AABS motor
420ARear wind ow d efog g er
515AHazard warning flasher
Horn
615AMeter
SRS airb ag system warning lig ht
710AAutomatic transmission c ontrol unit
ABS UNIT
810AAlternator
915AHead lig ht (rig ht sid e)

12-12
3.0 liter models
HBC004BB
Fuse panelFuse ratingCircuit
130ARad iator c ooling fan (Main)
230ARad iator c ooling fan (Sub )
350AABS (VDC) motor
430AMc Intosh aud io amp (if eq uip p ed )
520ARear wind ow d efog g er
615AHazard warning flasher
Horn
715AMeter
SRS airb ag system warning lig ht
810AAutomatic transmission c ontrol unit
ABS UNIT
910AAlternator
1015AHead lig ht (rig ht sid e)