Target Audience:
Automotive Technicians, DIY Enthusiasts, Fleet Maintenance
Key Competitors:
Toyota Camry, Honda Accord, Nissan Altima, Ford Fusion, Chevrolet Malibu
Value Proposition:
Provides official, in-depth technical information for accurate and efficient servicing and repair.
Digital Advantage:
Instant access, searchability, and ease of updating compared to print manuals.
Primary Coverage:
North America
Secondary Coverage:
Global (technical principles largely transferable)
Trim Levels Covered:
All trim levels (e.g., LX, EX) for the 2008 Optima model.
Type:
Official Factory Service Manual (Digital Software)
Format:
Software (likely PDF or proprietary digital format)
File Format:
Likely PDF or .EXE with proprietary viewer
Searchability:
Text-searchable (typical for official digital manuals)
Interactivity:
Potential for interactive diagrams or links (common in software manuals)
Powertrain:
Engine, Transmission, Fuel System, Exhaust System, Cooling System, Lubrication System
Chassis:
Suspension (Front & Rear), Steering, Brakes (Hydraulic & Parking), Wheels & Tires
Electrical:
Power Distribution, Lighting, Instrumentation, Audio System, HVAC Controls, Body Control Modules, SRS (Airbag) System, Antitheft System
Body:
Exterior Body Panels, Interior Trim, Doors, Windows, Seats, Glass
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication
Diagnostics:
Troubleshooting Charts, Diagnostic Trouble Codes (DTCs), Electrical Circuit Diagnosis, Component Testing
Repair:
Engine Overhaul, Transmission Repair, Brake System Service, Suspension Component Replacement, Electrical Component Replacement, Body Panel Repair
Installation:
Component Installation Procedures (e.g., timing belt, alternators), Accessory Installation
Special Tools:
Lists and describes the function of required special tools.
Depth:
Comprehensive: Covers basic to advanced repairs, including component removal, disassembly, inspection, repair, reassembly, and installation.
Diagnostic Tools:
Reference to required diagnostic tools and scan equipment (e.g., GDS)
Wiring Diagrams:
Includes detailed electrical wiring diagrams for all systems.
Torque Specifications:
Provides precise torque values for all fasteners and critical components.
Diagnostic Procedures:
Step-by-step diagnostic flowcharts for common and uncommon issues.
โ๏ธ Engine Specifications
Engine Code:
G4KA (2.4L DOHC GDI - markets may vary, some may have 2.0L)
Displacement:
2.4 Liters (2359 cc)
Configuration:
Inline 4-Cylinder
Valvetrain:
DOHC, 16 Valves
Bore X Stroke:
88.0 mm x 97.0 mm (approximate for 2.4L Theta II)
Compression Ratio:
9.1:1 (approximate for 2.4L Theta II)
Horsepower Hp:
164 hp @ 6000 rpm (approximate for 2.4L)
Torque Lb Ft:
164 lb-ft @ 4000 rpm (approximate for 2.4L)
Injection Type:
Multi-point Fuel Injection (MPI) or Gasoline Direct Injection (GDI) depending on market/variant.
Fuel Type:
Unleaded Regular Unleaded Gasoline
Fuel Octane Rating:
87 AKI (minimum)
Oil Type:
API SN or ILSAC GF-5 certified SAE 5W-20 (check manual for specific viscosity)
Oil Capacity:
4.5 US quarts (4.3 Liters) with filter change (approximate)
Coolant Type:
Ethylene Glycol-based, Blue or Orange coolant (refer to manual for specific Kia P/N)
Coolant Capacity:
6.3 US quarts (6.0 Liters) (approximate)
Timing Belt Or Chain:
Timing Chain (Theta II engine)
Type:
5-Speed Manual Transmission (M5HF1)
Type:
5-Speed Automatic Transmission (A5HF1)
Automatic Modes:
Sportmatic Sequential Shift (tiptronic-like functionality)
Automatic Fluid Type:
Kia Genuine ATF SP-III or equivalent (check manual for specific Kia P/N)
Manual Fluid Type:
GL-4 SAE 75W-90 Gear Oil (check manual for specific Kia P/N)
Length:
187.0 inches (4750 mm)
Width:
70.2 inches (1783 mm)
Height:
57.5 inches (1460 mm)
Wheelbase:
107.1 inches (2720 mm)
Front Track:
61.3 inches (1557 mm)
Rear Track:
61.2 inches (1555 mm)
Ground Clearance:
5.1 inches (130 mm) (approximate)
Front Headroom:
39.8 inches (1011 mm)
Rear Headroom:
37.9 inches (963 mm)
Front Legroom:
45.1 inches (1146 mm)
Rear Legroom:
37.9 inches (963 mm)
Shoulder Room Front:
55.7 inches (1415 mm)
Shoulder Room Rear:
55.1 inches (1400 mm)
Trunk Volume:
14.7 cubic feet (416 Liters)
Curb Weight:
3250 - 3400 lbs (1474 - 1542 kg) (approximate, varies by trim/options)
Gross Vehicle Weight Rating:
4475 lbs (2030 kg) (approximate)
Towing Capacity:
Not Recommended (typically)
NHTSA Frontal Crash Driver:
5-Star
NHTSA Frontal Crash Passenger:
5-Star
NHTSA Side Crash Driver:
5-Star
NHTSA Side Crash Passenger:
5-Star
NHTSA Side Impact เฎฎเฏเฎชเฏเฎชเฏ:
5-Star
IIHS Frontal Offset:
Good
Traction Control:
Standard (Electronic Stability Control - ESC)
Braking System:
4-Wheel Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Airbags Front:
Advanced Frontal Airbags
Airbags Side:
Front Seat-Mounted Side Airbags
Airbags Curtain:
Full-Length Side Curtain Airbags
Seatbelts:
Pretensioner and Load Limiter equipped Seatbelts
Child Anchors:
LATCH (Lower Anchors and Tethers for Children) System
Audio System:
AM/FM/CD/MP3 player with 6 speakers, auxiliary audio input, and optional SiriusXM Satellite Radio.
Display Type:
Digital display for radio, clock, and vehicle settings. Optional navigation system on higher trims.
Parking Assist:
Optional rear parking sensors on some trims.
Auxiliary Input:
Standard 3.5mm auxiliary audio jack
Usb Port:
Not standard on this model year.
Bluetooth:
Optional for hands-free calling on certain trims.
Oil Filter Change:
Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months (check manual for specific recommendation based on driving conditions)
Tire Rotation:
Every 7,500 miles (12,000 km)
Engine Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed or at 30,000 miles (48,000 km)
Cabin Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed or at 15,000-20,000 miles (24,000-32,000 km)
Transmission Fluid Change Auto:
Inspect every 30,000 miles (48,000 km), replace every 60,000 miles (96,000 km) (under severe conditions, more frequent).
Spark Plugs:
Iridium plugs: 100,000 miles (160,000 km) replacement interval (refer to manual for specific type and gap)
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for specific type)
Power Steering Fluid:
Dexron III or equivalent ATF (refer to manual for specific type)
Engine Performance:
Potential for occasional rough idle or hesitation due to carbon buildup on intake valves (especially on GDI engines if applicable).
Electrical System:
Infrequent reports of battery drain or minor electrical gremlins, often related to sensor faults or module issues.
Suspension Components:
Wear on front sway bar links or bushings can lead to knocking noises over bumps.
HVAC System:
Rare instances of blower motor resistor failure leading to loss of fan speeds.
Kia Founding:
1944 (initially as a bicycle manufacturer)
Kia Automotive Entry:
1970s
First Generation:
2001-2006 (Kim Series)
Second Generation:
2007-2010 (MG Platform)
Design Influence:
Introduced new design language under Peter Schreyer's influence (though this generation predates his full impact, it shows a move towards more global styling).
Manufacturing Location:
Hwasung, South Korea; West Point, Georgia, USA (for North American market)
Production Period:
2006-2010 (for the MG generation)
๐ Awards & Recognition
Safety Awards:
Achieved excellent safety ratings from NHTSA and IIHS.
Value Recognition:
Often cited for its strong value proposition in the mid-size sedan segment.
Emissions Certification:
Compliant with EPA and CARB emissions standards for 2008 model year.