Market Position:
The 2008 Scion xB occupies the subcompact/compact hatchback segment, known for its distinctive boxy styling, practicality, and affordability. This manual targets owners seeking to perform their own maintenance and repairs, DIY enthusiasts, and independent repair shops.
Competitive Analysis:
Competed with vehicles like the Honda Fit, Nissan Versa, Kia Soul, and Chevrolet Aveo. The xB's unique design and spacious interior for its size were key selling points. This service manual provides the essential technical data to maintain and repair this distinct vehicle effectively.
Key Features:
Official factory-derived information, comprehensive coverage of all vehicle systems, detailed diagnostic procedures, explicit repair instructions with clear illustrations, and accessibility across multiple devices.
Coverage Areas:
Engine, Transmission (Automatic & Manual), Drivetrain, Brakes, Steering, Suspension, HVAC, Electrical System, Body, Interior, Diagnostics, Maintenance, Troubleshooting, Repair Procedures.
Page Count:
Estimated 2000+ pages (typical for comprehensive OE service manuals).
Manual Type:
Official Service and Repair Manual Software.
Format:
PDF Download / Online Access (with 1-year subscription).
License Information:
Officially licensed and derived from OE (Original Equipment) materials.
Systems Covered:
Engine mechanical, fuel & emissions control, ignition, cooling, lubrication, exhaust, powertrain control module (PCM) diagnostics, automatic transmission (AT) operation & repair, manual transmission (MT) operation & repair, clutch, drive axles, differential, chassis, suspension components (front & rear), steering system, power steering, braking system (ABS, EBD), wheel & tire specifications, HVAC system (heating, ventilation, air conditioning), charging system, starting system, lighting system, instrument cluster, audio system, body electrical, power windows/locks/mirrors, airbags, body repair, interior trim removal & installation.
Procedures Included:
Routine maintenance (oil changes, filter replacements, spark plug changes, fluid checks/changes), component diagnostics, troubleshooting guides, removal & installation of engine components, transmission overhaul, brake caliper/rotor/pad replacement, suspension component replacement (struts, shocks, control arms, ball joints), steering rack replacement, HVAC system service (refrigerant recharge, component replacement), electrical system diagnosis & repair, wiring diagrams, body panel alignment & repair, interior trim disassembly & reassembly, torque specifications, specialty tool usage.
Technical Depth:
Comprehensive, covering everything from basic maintenance tasks to advanced engine and transmission diagnostics and repair, including detailed specifications, wiring diagrams, and step-by-step procedures for component removal and installation. Suitable for both DIY enthusiasts and professional technicians.
Diagnostic Tool Coverage:
Details on using OBD-II scanners for diagnostic trouble codes (DTCs) and live data monitoring, as well as specific Toyota/Scion diagnostic tools.
File Format:
PDF (Portable Document Format) for offline viewing and printing, accessible via web browser.
Accessibility Devices:
Compatible with PC, laptop, smartphone, or tablet via internet connection and web browser.
Print Quality:
High-resolution, ensuring clarity of diagrams, illustrations, and text for professional printing.
Binding Type:
N/A (Digital Download/Online Access).
Paper Type:
N/A (Digital).
Primary Engine:
2.4L Inline 4-cylinder (2AZ-FE)
Horsepower:
158 hp @ 6000 rpm
Torque:
162 lb-ft @ 4000 rpm
Fuel System:
Electronic Fuel Injection (EFI)
Engine Layout:
Front-engine, Front-wheel drive (FWD)
Bore X Stroke:
95.0 mm x 95.0 mm
Valve Train:
DOHC, 16 valves, Variable Valve Timing with intelligence (VVT-i)
Emission Controls:
Catalytic converter, Oxygen sensors (O2), Evaporative Emission Control System (EVAP).
Standard Transmission:
5-speed Manual Transmission
Optional Transmission:
4-speed Automatic Transmission (ECT-i)
Transmission Features:
Electronically Controlled Transmission with intelligence (ECT-i) for automatic transmission, offering sequential shift mode on some models.
Clutch Type:
Dry single plate (for manual transmission).
Length:
169.3 inches (4300 mm)
Width:
69.1 inches (1755 mm)
Height:
63.0 inches (1600 mm)
Wheelbase:
102.0 inches (2590 mm)
Ground Clearance:
6.1 inches (155 mm)
Front Track:
60.4 inches (1535 mm)
Rear Track:
60.6 inches (1540 mm)
Curb Weight:
2,777 - 2,920 lbs (1260 - 1325 kg)
Gross Vehicle Weight Rating:
4,000 lbs (1814 kg)
Cargo Volume Rear Seats Up:
21.7 cu ft (614 L)
Cargo Volume Rear Seats Down:
63.7 cu ft (1804 L)
NHTSA Front Crash Test Rating:
4 Stars (Driver), 5 Stars (Passenger)
NHTSA Side Impact Crash Test Rating:
5 Stars (All Seats)
IIHS Moderate Overlap Frontal Offset Rating:
Good
IIHS Side Impact Rating:
Good
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA).
Passive Safety Features:
Driver and front passenger airbags, front and rear side curtain airbags, front seat-mounted side airbags, front and rear three-point seatbelts with pretensioners, LATCH (Lower Anchors and Tethers for CHildren) system.
Seatbelt Features:
Three-point seatbelts with pretensioners and force limiters for all occupants.
Infotainment System:
Standard AM/FM/CD player with MP3 capability and auxiliary audio jack. Optional premium audio systems may include steering wheel controls and upgraded speakers. The manual details operation and basic troubleshooting.
Driver Assistance Features:
ABS, EBD, Brake Assist are standard. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist were available.
Connectivity Features:
Auxiliary audio input jack for connecting external music players. Bluetooth hands-free phone connectivity was optional on some trims.
Oil Change Interval:
Every 5,000 miles or 6 months (whichever comes first) with conventional oil; 10,000 miles or 12 months with synthetic oil (check owner's manual for specific recommendations).
Engine Air Filter Replacement:
Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles if driving in dusty conditions.
Cabin Air Filter Replacement:
Replace every 15,000 miles or 12 months.
Spark Plug Replacement:
Iridium-tipped spark plugs: 120,000 miles.
Engine Oil Type:
SAE 5W-30 (API Certified)
Engine Oil Capacity:
5.5 US quarts (5.2 liters) with filter.
Coolant Type:
Toyota Super Long Life Coolant (SLLC) or equivalent (Pink).
Transmission Fluid Type At:
Toyota ATF WS (World Standard)
Transmission Fluid Type Mt:
API GL-4, SAE 75W-90 synthetic gear oil.
Brake Fluid Type:
SAE J1703 or FMVSS No. 116 DOT 3.
Power Steering Fluid Type:
Toyota Genuine Power Steering Fluid or Dexron III/Mercon ATF.
Differential Fluid Type:
API GL-5, SAE 75W-90 gear oil.
Common Issues:
Some owners report occasional issues with oil consumption, acceleration hesitation, and front strut bearing noise. The infotainment system can sometimes exhibit minor glitches. Proper maintenance as outlined in the manual is key to mitigating these.
Wheel Lug Nut Torque:
76 ft-lbs (103 Nm)
Brand Heritage:
Scion was a brand of Toyota Motor Corporation, launched in the United States in 2003 as a marque targeting younger buyers and offering a unique buying experience. Known for its quirky styling and customizable options.
Model Evolution:
The second-generation 2008 Scion xB (xB2) debuted in late 2007. It was significantly larger than its predecessor, featuring a more conventional, albeit still distinctive, modern design. It moved to Toyota's MC platform and received a more powerful engine.
Production Years:
2004-2015 (US Market)
Manufacturing Location:
Takaoka Plant, Toyota City, Aichi, Japan
