🏷️ Basic Information

Make:

Kia

Model:

Optima

Year:

2007

Generation Identifier:

Second Generation (MG)

Chassis Code:

MG

👋 Introduction

Segment:

Mid-size sedan

Target Audience:

Owner-operators, independent repair shops, DIY enthusiasts

Competitors:

Toyota Camry, Honda Accord, Nissan Altima, Ford Fusion, Chevrolet Malibu

Value Proposition:

Comprehensive repair information, empowering users to perform maintenance and repairs efficiently and accurately, saving on dealership costs.

📋 Manual Details

Coverage Scope:

Complete workshop service and repair

Estimated Page Count:

Extensive (typically 1500+ pages for complete workshop manuals)

Type:

Workshop Service Repair Manual

Language:

English

Format:

Downloadable Digital Format (likely PDF)

📖 Manual Coverage

Powertrain:

Engine mechanical, engine electrical, fuel system, exhaust system, cooling system, lubrication system, emissions control

Transmission:

Manual transmission, automatic transmission (including operation, diagnosis, and repair)

Drivetrain:

Driveshafts, axles, differential, hub bearings

Suspension:

Front suspension, rear suspension, shock absorbers, struts, springs, control arms, bushings

Steering:

Power steering system, steering column, steering gear/rack and pinion

Brakes:

Hydraulic brake system, disc brakes, drum brakes, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), brake fluid

Electrical:

Battery, charging system, starting system, lighting system, instrumentation, power windows, power locks, wipers, horns, fuses, relays

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system, climate control

Body:

Body panels, doors, windows, interior trim, bumpers, underbody coating

Chassis:

Frame, subframes, structural components

Safety Systems:

Airbags, seatbelt pre-tensioners, SRS (Supplemental Restraint System)

Maintenance:

Oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant flush, belt inspections/replacement

Diagnostics:

Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs), wiring diagrams

Repair:

Engine overhaul, transmission repair, brake system repair, suspension component replacement, electrical component repair, body panel repair

Rebuild:

Engine rebuild specifications, transmission rebuild procedures

Installation:

Component replacement procedures (e.g., alternator, starter, water pump)

Depth:

Comprehensive; covers from routine maintenance to complete engine and transmission overhauls, including diagnostic procedures and electrical schematics.

📊 Manual Specifications

Format Type:

Likely PDF

Searchable:

Typically searchable text within PDF for quick information retrieval.

Resolution:

High resolution, suitable for printing individual pages or sections.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code:

G4KA / G4KC (common for this generation)

Engine Type:

Inline 4-cylinder, naturally aspirated

Displacement:

2.4L (2351 cc)

Horsepower:

Approx. 175-180 hp @ 6000 rpm (may vary slightly by market/specific engine variant)

Torque:

Approx. 165-170 lb-ft @ 4000 rpm (may vary slightly by market/specific engine variant)

Fuel Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded gasoline

ECU Type:

Electronic Control Unit (ECU) with OBD-II diagnostics

🔧 Transmission

Transmission Type:

5-speed manual transmission

Transmission Type:

5-speed automatic transmission with Shiftronic (manual mode)

Automatic Features:

Electronically controlled, adaptive shift logic

Manual Fluid Type:

API GL-4 or GL-5, SAE 75W-90 gear oil (check manual for exact specification)

Automatic Fluid Type:

Kia Genuine ATF SP-III or equivalent (check manual for exact specification)

📐 Dimensions

Length:

Approx. 189.1 inches (4803 mm)

Width:

Approx. 72.4 inches (1839 mm)

Height:

Approx. 57.5 inches (1460 mm)

Wheelbase:

Approx. 107.1 inches (2720 mm)

Curb Weight:

Approx. 3200 - 3400 lbs (1451 - 1542 kg) depending on configuration

Gross Vehicle Weight Rating:

Varies by model configuration (refer to vehicle placard)

🛡️ Safety Features

NHTSA Front Crash:

Good (for the driver and passenger in frontal crash tests, per IIHS/NHTSA standards of the era)

NHTSA Side Crash:

Good (for the driver and passenger in side crash tests, per IIHS/NHTSA standards of the era)

ABS:

Standard Anti-lock Braking System (ABS)

Ebd:

Standard Electronic Brakeforce Distribution (EBD)

Traction Control:

Optional Traction Control System (TCS) on some trims

Airbags:

Frontal airbags, side airbags, side curtain airbags (standard on most trims)

Seatbelts:

Three-point seatbelts with pretensioners and load limiters

💡 Technology Features

Audio System:

Standard AM/FM/CD audio system, often with MP3 playback capability. Higher trims may feature a premium audio system and/or SiriusXM satellite radio.

Display:

Central dashboard display for audio, climate, and vehicle information. Some models may have a small LCD screen in the instrument cluster.

Cruise Control:

Standard cruise control.

Auxiliary Input:

Auxiliary audio input jack for connecting external devices.

Keyless Entry:

Available keyless entry and ignition system on higher trim levels.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions; refer to manual for severe conditions).

Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km), or as needed based on driving environment.

Spark Plug Replacement:

Typically around 60,000 - 100,000 miles (96,000 - 160,000 km) for iridium or platinum plugs (verify specific plug type and interval in manual).

Coolant Flush:

Every 30,000 - 50,000 miles (48,000 - 80,000 km) or 2-3 years (using appropriate coolant type).

Engine Oil Type:

API SN or higher, SAE 5W-20 or 5W-30 (confirm viscosity and specification from owner's manual or oil fill cap).

Engine Oil Capacity:

Approx. 4.7 US quarts (4.4 liters) with filter change (for 2.4L engine).

Brake Fluid Type:

DOT 3 or DOT 4 (verify from owner's manual).

Power Steering Fluid:

Kia Genuine Power Steering Fluid or equivalent (check manual for specific type).

Engine Noise:

Some reports of minor piston slap or clicking noises from the 2.4L engine, particularly when cold. Generally considered normal by some, but worth investigating if severe.

Transmission Issues:

Occasional reports of rough shifting or delayed engagement in the automatic transmission. Regular fluid changes are crucial.

Suspension Wear:

Front strut mounts, control arm bushings, and sway bar links can be wear items over time, leading to clunking noises over bumps.

Electrical Gremlins:

As with many vehicles of this era, minor electrical issues like faulty window regulators or minor sensor malfunctions can occur.

📚 Vehicle History

Kia History:

Kia Motors Corporation, founded in 1944, is South Korea's oldest manufacturer of motor vehicles. Known for its aggressive product development and increasing global presence.

Optima History:

The Kia Optima (originally named Magentis in some markets) debuted in 2000 as Kia's mid-size sedan offering. The 2007 model represents the second generation (MG), which introduced significant styling and engineering updates over its predecessor.

Production Location:

Hwaseong, South Korea; West Point, Georgia, USA (for North American market from 2007 onwards, although early MG models were primarily imported).

🏆 Awards & Recognition

Safety Awards:

The 2007 Kia Optima generally received good safety ratings from organizations like the IIHS and NHTSA for its segment, reflecting its structural integrity and airbag systems.

Value Recognition:

Kia has historically focused on offering strong value for money, making the Optima competitive in its segment for features and pricing.