Subaru Levorg (WRX / WRX STI) since 2019, repair e-manual

Content

General information section

• Foreword
• How to use this manual
• Specifications
• Precaution
• Note
• Identification
• Recommended materials
• Pre-delivery inspection
• Periodic maintenance services

Fuel injection

• General description
• Throttle body
• Intake manifold
• Sensors
• Fuel injector
• Engine control module
• Main relay
• Fuel pump
• Fuel tank
• Fuel filler

Emission control

• General description
• Catalytic converter
• Purge control solenoid valve
• Drain filter
• Secondary air pump

Intake

• General description
• Air cleaner element
• Air cleaner case
• Air intake duct
• Intake duct
• Intercooler
• Turbocharger
• Air by-pass valve

Engine mechanical

• General description
• Compression
• Idle speed
• Ignition timing
• Valve clearance
• Engine assembly
• Engine mounting
• V-belt
• Crank pulley
• Timing belt
• Camshaft
• Cylinder head
• Cylinder block
• Intake and exhaust valve
• Piston
• Crankshaft
• Engine noise

Exhaust

• General description
• Front exhaust pipe
• Center exhaust pipe
• Joint pipe
• Rear exhaust pipe
• Muffler

Cooling

• General description
• Radiator fan system
• Engine coolant
• Water pump
• Thermostat
• Radiator

Lubrication

• General description
• Oil pressure system
• Engine oil
• Oil pump
• Oil pan

Speed control systems

• General description
• Accelerator pedal

Ignition

• General description
• Spark plug
• Ignition coil

Starting / charging systems

• General description
• Starter
• Generator
• Battery

Control systems

• General description
• At shift lock control system
• Select lever
• Body integrated unit
• MT gear shift lever
• Reverse check cable
• General diagnostic table

Transmission

• General description
• CVTF
• Differential gear oil
• Automatic transmission
• Transmission mounting system
• Extension case oil seal
• Differential side retainer oil seal
• Sensors
• Control valve body
• Transmission harness
• Transmission control module
• Air breather hose
• Transfer clutch
• Reverse brake
• Forward clutch
• Drive pinion shaft
• Front differential
• Oil pump
• Oil pump chain
• Front reduction drive gear
• Diagnostics with phenomenon

Clutch system

• General description
• Clutch disc and cover
• Flywheel
• Release bearing and lever
• Operating cylinder
• Master cylinder
• Clutch pipe and hose
• Clutch fluid
• Clutch fluid air bleeding
• Clutch pedal
• Clutch switch
• General diagnostic table

Front suspension

• General description
• Wheel alignment
• Front crossmember
• Front crossmember support plate
• Front stabilizer
• Front ball joint
• Front arm
• Front strut
• General diagnostic table

Rear suspension

• General description
• Wheel alignment
• Rear sub frame
• Rear stabilizer
• Rear trailing link
• Upper arm
• Front lateral link
• Rear lateral link
• Rear shock absorber
• General diagnostic table

Wheel and tire system

• General description
• Tire and wheel
• Temporary tire
• Tire pressure monitoring system
• General diagnostic table

Differentials

• General description
• Differential gear oil
• Front differential
• Rear differential
• General diagnostic table

Drive shaft system

• General description
• Propeller shaft
• Front axle
• Front hub unit bearing
• Rear axle
• Rear hub unit bearing
• Front drive shaft
• Rear drive shaft
• General diagnostic table

Brake

• General description
• Front brake pad
• Disc rotor
• Disc brake
• Brake pad
• Master cylinder
• Brake booster
• Brake fluid
• Air bleeding
• Brake hose
• Brake pipe
• Brake pedal
• Stop light switch
• Brake vacuum pump
• Brake vacuum sensor
• General diagnostic table

HVAC system

• General description
• Air conditioning system
• Relay and fuse
• Blower motor unit
• Heater core
• Control panel
• Compressor
• Condenser
• Evaporator
• Expansion valve
• Hose and pipe
• Heater duct
• Diagnostics

Airbag system

• General description
• Airbag connector
• Driver’s airbag module
• Knee airbag module
• Passenger’s airbag module
• Side airbag module
• Curtain airbag module
• Airbag control module
• Roll connector
• Airbag module disposal

Body system

• Seat belt system
• Lighting system
• Wiper and washer systems
• Entertainment and monitoring
• Communication system
• Glass / windows / mirrors
• Instrumentation / driver info
• Seats
• Security and locks
• Exterior / interior trim
• Exterior body panels
• Cruise control system
• Reverse automatic braking

Wiring system

• Ground circuit
• Power supply circuit
• Fuse and relay
• Working precautions
• Basic diagnostic procedure
• Airbag system
• Air conditioning system
• Audio system
• Blind spot detection / rear cross traffic alert
• Can communication system
• Charging system
• Clearance light and illumination light system
• Combination meter system
• Coolant temperature system
• Cruise control system
• CVT control system
• Driver's control center differential control system
• Electric power steering system
• Engine electrical system
• Eyesight system
• Front accessory power supply socket system
• Front fog light system
• Front view monitor
• Front wiper and washer system
• Fuel gauge system
• Headlight beam leveler system
• Headlight system
• Horn system
• Immobilizer system
• Interior light system
• Keyless access system
• Keyless entry system
• Multi-function display system
• Navigation system
• Occupant detection system
• Oil pressure warning light system
• Parking brake / brake fluid level warning light system
• Power seat system
• Power window system
• Push button start system
• Radiator fan system
• Rear accessory power supply socket system
• Rear defogger system
• Rear differential oil temperature warning light system
• Rearview camera system
• Rearview mirror system
• Remote control mirror system
• Remote engine start system
• Reverse automatic braking
• Seat belt warning system
• Seat heater system
• Security system
• Shift lock control system
• Speedometer system
• Starter system
• Stop light system
• Sunroof control system
• Telematics system
• Tire pressure monitoring system
• Turn signal light and hazard light system
• Vacuum pump control system
• Vehicle dynamics control system
• Wiper deicer system
• Harness components location
• Front wiring harness
• Bulkhead wiring harness
• Engine wiring harness and transmission cord
• Instrument panel wiring harness
• Roof cord
• Rear wiring harness
• Door cord
• Rear wiring harness and trunk lid cord
• Antenna cord

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