The Subaru Legacy, model year 2003, represents a significant offering within the mid-size sedan and wagon segments, known for its robust engineering and standard Symmetrical All-Wheel Drive system. This generation, built on the BD/BG/BK platform, typically features horizontally-opposed 'Boxer' engines, including the 2.5L SOHC Naturally Aspirated (H4SO), the 3.0L DOHC Naturally Aspirated (H6DO), and the 2.5L DOHC Turbocharged (H4DOSTC) variants. These powertrains, combined with either a 4-speed automatic or a 5-speed manual transmission, deliver a blend of performance and all-weather capability. The Legacy's heritage is rooted in Subaru's focus on reliability, safety, and responsive handling, making it a versatile choice for various driving conditions and intended uses.
This comprehensive Factory Service Manual (FSM) is designed to provide in-depth technical information for the 2003 Subaru Legacy, catering to service personnel, experienced mechanics, and dedicated DIY enthusiasts. It meticulously covers a wide array of systems, including engine (fuel injection, ignition, cooling, lubrication), transmission (automatic and manual), chassis (suspension, brakes, ABS), and body systems (HVAC, airbags, lighting). The manual details essential maintenance procedures, step-by-step repair and disassembly/reassembly instructions, and crucial diagnostic procedures with troubleshooting flowcharts for engine, transmission, ABS, and immobilizer systems. Its extensive coverage ensures owners and technicians have the necessary data to maintain vehicle performance, ensure longevity, and accurately diagnose and resolve issues.
2003 SUBARU LEGACY SERVICE MANUAL
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair of
SUBARU vehicles.
This manual includes the procedures for
maintenance, disassembling, reassembling,
inspection and adjustment of components
and diagnostics for guidance of
experienced mechanics.
The SERVICE MANUAL Cavers:
GENERAL INFORMATION SECTION
foreword
how to use this manual
specifications
frecaution
note
identification
recommended materials
fre-delivery inspection
periodical maintenance
ENGINE1 SECTION H4SO
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
fuel injection
emission control
intake(induction)
mechanical
exhaust
cooling
fuel injection
speed control
igntion
starting/charging systems
engine(diagnostics)
ENGINE2 SECTION H6DO
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
ENGINE3 SECTION H4DOSTC
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
TRANSMISSION SECTION
control systems
automatic transmission
automatic transmission(diagnostics)
manual transmission and differential
clutch system
CHASSIS SECTION
front suspension
rear suspension
wheel and tire system
differentials
transfer case
drive shaft system
ABS
VDS
brake
parking brake
power assisted system
ABS(diagnostics)
VDS(diagnostics)
BODY SECTION
HVAC system
airbag system
seat belt system
lighting system
wiper and washer systems
entertainment
communication system
glass/windows/mirrors
body structure
instrumentation/driver info
seats
security and locks
sunroof/t-top/convertible top
exterior/interior trim
exterior body panels
cruise control system
immobilzer(diagnostics)
WIRING SYSTEM SECTION
==================================================
High Quality PDF Manual,All Pages Are Printable.
Instant Download
No Shipping Cost
No Need to Wait For A CD-ROM
File Format: PDF
Compatible: All Versions of Windows & Mac&linux
Language: English
Requirements: Adobe PDF Reader,Winrar
Looking for some other Service Repair Manual, please check:
2003 SUBARU LEGACY SERVICE MANUAL
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair of
SUBARU vehicles.
This manual includes the procedures for
maintenance, disassembling, reassembling,
inspection and adjustment of components
and diagnostics for guidance of
experienced mechanics.
The SERVICE MANUAL Cavers:
GENERAL INFORMATION SECTION
foreword
how to use this manual
specifications
frecaution
note
identification
recommended materials
fre-delivery inspection
periodical maintenance
ENGINE1 SECTION H4SO
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
fuel injection
emission control
intake(induction)
mechanical
exhaust
cooling
fuel injection
speed control
igntion
starting/charging systems
engine(diagnostics)
ENGINE2 SECTION H6DO
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
ENGINE3 SECTION H4DOSTC
fuel injection
emission control
intake
mechanical
exhaust
cooling
lubrication
speed control systems
ignition
starting/charging systems
engine(diagnostics)
TRANSMISSION SECTION
control systems
automatic transmission
automatic transmission(diagnostics)
manual transmission and differential
clutch system
CHASSIS SECTION
front suspension
rear suspension
wheel and tire system
differentials
transfer case
drive shaft system
ABS
VDS
brake
parking brake
power assisted system
ABS(diagnostics)
VDS(diagnostics)
BODY SECTION
HVAC system
airbag system
seat belt system
lighting system
wiper and washer systems
entertainment
communication system
glass/windows/mirrors
body structure
instrumentation/driver info
seats
security and locks
sunroof/t-top/convertible top
exterior/interior trim
exterior body panels
cruise control system
immobilzer(diagnostics)
WIRING SYSTEM SECTION
==================================================
High Quality PDF Manual,All Pages Are Printable.
Instant Download
No Shipping Cost
No Need to Wait For A CD-ROM
File Format: PDF
Compatible: All Versions of Windows & Mac&linux
Language: English
Requirements: Adobe PDF Reader,Winrar
Looking for some other Service Repair Manual, please check:
