🏷️ Basic Information

Make:

Kia

Model:

Optima

Year:

2007

Generation Designation:

Second Generation (MG)

Chassis Code:

MG

Platform:

Hyundai-Kia YF Platform (shared with Hyundai Sonata)

👋 Introduction

Segment:

Mid-size Sedan

Target Audience:

Consumers seeking a reliable, stylish, and value-oriented sedan; DIY mechanics and professional repair shops.

Key Competitors 2007:

Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Chevrolet Malibu, Mazda6, Hyundai Sonata.

Value Proposition:

Offers a blend of European-inspired styling, comfortable interior, competent performance, and advanced safety features at a competitive price point.

Design Philosophy:

Exterior design by Peter Schreyer, emphasizing a clean, modern, and dynamic profile.

📋 Manual Details

Coverage Scope:

Complete factory service and repair for all trim levels and engine configurations of the 2007 Kia Optima.

Estimated Pages:

Hundreds (exact count not specified but implies comprehensive coverage)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Systems:

Engine mechanical (assembly, disassembly, inspection, overhaul), fuel system (delivery, injection, control), cooling system, lubrication system, ignition system, emission control systems (OBD-II), starting and charging system.

Transmission Systems:

Manual transmission (clutch, gearbox, maintenance, repair), automatic transmission (hydraulic control, planetary gears, maintenance, repair, torque converter).

Drivetrain Systems:

Front-wheel drive system, drive shafts, CV joints, differential.

Suspension Steering Brakes:

Front and rear suspension (struts, springs, control arms, bushings), steering system (rack and pinion, power steering), braking system (ABS, hydraulic components, disc/drum brake service, parking brake).

Electrical Electronic Systems:

Wiring diagrams, battery, alternator, starter, lighting system, instrument cluster, power windows, power locks, comfort features, engine control module (ECM), transmission control module (TCM), body control module (BCM).

HVAC Body Chassis:

Heating, Ventilation, and Air Conditioning (HVAC) system, body panels, doors, windows, interior trim, exterior trim, chassis frame, exhaust system, fuel tank and lines.

Maintenance Procedures:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.

Repair Procedures:

Engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair, bodywork procedures.

Diagnostic Troubleshooting:

Step-by-step diagnostic flowcharts, symptom-based troubleshooting guides, diagnostic trouble code (DTC) interpretation and resolution.

Special Tools And Techniques:

Identification and use of specialized tools required for specific repair procedures, torque specifications, critical assembly sequences.

Depth Of Information:

Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including electrical system diagnostics and component-level repair.

Diagnostic Capabilities:

Advanced diagnostics, including on-board diagnostics (OBD-II) system information, sensor data interpretation, and troubleshooting of electronic control units (ECUs).

📊 Manual Specifications

File Type:

PDF

Printability:

High-quality, printable pages allowing users to print specific sections or the entire manual.

Binding:

N/A (Digital Download - Printable)

Paper Type:

N/A (Digital Download - Printable)

Text Searchability:

Likely searchable text within the PDF, enabling quick navigation to specific topics.

⚙️ Engine Specifications

Engine Option 1:

2.4L DOHC Inline-4 (Theta II)

Engine Option 1 Code:

G4KC

Engine Option 2:

3.5L DOHC V6 (Mu)

Engine Option 2 Code:

G6CU

2.4L Horsepower:

164 hp @ 6000 rpm

2.4L Torque:

160 lb-ft @ 4000 rpm

3.5L V6 Horsepower:

235 hp @ 6000 rpm

3.5L V6 Torque:

225 lb-ft @ 4500 rpm

Fuel Delivery:

Electronic Fuel Injection (MPI)

Fuel Type:

Unleaded Regular Unleaded Gasoline (87 octane recommended)

Block Material:

Aluminum Alloy (Both engines)

Cylinder Head Material:

Aluminum Alloy (Both engines)

2.4L Timing Mechanism:

Timing Chain

3.5L V6 Timing Mechanism:

Timing Belt

🔧 Transmission

Standard Transmission:

5-Speed Manual Transmission (Available on 2.4L models)

Optional Transmission 1:

5-Speed Automatic Transmission (Standard on most 2.4L models, optional on some)

Optional Transmission 2:

6-Speed Automatic Transmission (Standard on 3.5L V6 models)

Automatic Transmission Features:

Electronically controlled, adaptive shift logic, potentially with a manual shift mode (Sportmatic).

Manual Transmission Fluid Type:

API GL-4 SAE 75W-90 gear oil (Refer to manual for specific Kia part number)

Automatic Transmission Fluid Type:

Kia SPIII ATF or equivalent (Refer to manual for specific Kia part number)

📐 Dimensions

Length:

approx. 187.4 inches (4760 mm)

Width:

approx. 71.7 inches (1821 mm)

Height:

approx. 58.1 inches (1476 mm)

Wheelbase:

approx. 107.1 inches (2720 mm)

Curb Weight Min:

approx. 3300 lbs (1497 kg) for 2.4L models

Curb Weight Max:

approx. 3570 lbs (1619 kg) for 3.5L V6 models

Trunk Volume:

approx. 15.1 cu ft (428 L)

🛡️ Safety Features

NHTSA Front Impact Driver:

5-Star (2007 Model Year)

NHTSA Front Impact Passenger:

5-Star (2007 Model Year)

NHTSA Side Impact Front Seat Passenger:

5-Star (2007 Model Year)

NHTSA Side Impact Rear Seat Passenger:

5-Star (2007 Model Year)

IIHS Front Offset Crash Test:

Good (2007 Model Year)

IIHS Side Impact Crash Test:

Good (2007 Model Year)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS)

Electronic Stability:

Available Electronic Stability Control (ESC)

Airbags Front:

Dual front advanced airbags

Airbags Side:

Front side-impact airbags

Airbags Curtain:

Full-length side curtain airbags

Seatbelts:

3-point seatbelts with pretensioners and load limiters

💡 Technology Features

Audio System:

Standard AM/FM/CD player with 6 speakers. Optional Infinity audio system with subwoofer.

Navigation:

Optional factory-installed navigation system available on higher trim levels.

Cruise Control:

Standard cruise control.

Keyless Entry Ignition:

Available keyless entry system with push-button ignition.

Auxiliary Input:

Available auxiliary audio input jack for portable music players.

Bluetooth:

Optional Bluetooth hands-free connectivity available on select trims.

🔧 Maintenance

Oil Change Interval:

Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions). Severe conditions may require more frequent changes.

Engine Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months (depending on driving conditions).

Cabin Air Filter Replacement:

Every 10,000 miles (16,000 km) or 12 months.

Spark Plug Replacement 2.4L:

Every 90,000 miles (144,000 km) using original equipment iridium spark plugs.

Transmission Fluid Change Auto:

Every 60,000 miles (96,000 km) or as indicated by maintenance schedule, especially under severe usage.

Timing Belt Replacement 3.5L V6:

Crucial: Every 90,000 miles (144,000 km) or 7 years (whichever comes first). Failure can cause catastrophic engine damage.

Engine Oil Viscosity:

0W-20 or 5W-20 (API SN or higher, ILSAC GF-5 or higher).

Engine Oil Capacity:

Approx. 4.5 quarts (4.3 L) for 2.4L; Approx. 5.5 quarts (5.2 L) for 3.5L V6 (refer to manual for exact capacity).

Coolant Type:

Hyundai/Kia Long Life Coolant (OAT, Blue) - Ethylene Glycol based. Mix 50/50 with distilled water.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid (refer to manual for specific type).

Common Problem 1:

CV Axle Boots: Premature wear or tearing of front CV axle boots leading to grease leakage and potential joint failure.

Common Problem 2:

Oil Consumption (2.4L): Some reports of higher-than-average oil consumption, potentially related to piston ring wear or PCV system issues.

Common Problem 3:

ABS/ESC Warning Lights: Can be triggered by faulty wheel speed sensors or issues with the ABS module.

Common Problem 4:

HVAC Blower Motor: Occasional failure of the blower motor or its resistor.

Common Problem 5:

Door Lock Actuators: Failure of the door lock actuators can lead to doors not locking or unlocking properly.

📚 Vehicle History

Kia History:

Founded in 1944, Kia Motors is South Korea's oldest manufacturer of motor vehicles, initially producing steel tubing and bicycle parts before moving into trucks and eventually passenger cars.

Optima Lineage:

The Optima (known as Kia Lotze in some markets) replaced the Kia Magna/Optima. The 2007 model represents the second generation (MG), designed by Peter Schreyer, significantly enhancing its styling and appeal over its predecessor.

Production Location:

Hwaseong, Gyeonggi Province, South Korea (Kia Hwaseong Plant)

Production Years Mg Generation:

2005-2010

🏆 Awards & Recognition

IIHS Top Safety Pick:

Recipient of 'Good' ratings in IIHS front and side impact tests, indicating strong safety performance for its class.

Kbb Best Resale Value:

While not explicitly awarded a specific 'Best Resale Value' award for 2007, the Optima was generally recognized for offering good value and competitive features within its segment.

Emissions Certification:

Meets EPA emissions standards for the model year. Specific California LEV II certification may vary by engine and trim.