KIA OPTIMA MG 2007 G 2.4 DOHC Service Repair Manual

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🏷️ Basic Information Identification Make: Kia Model: Optima Model Code: MG Year: 2007 Engine Variant: 2.4 DOHC Codes Engine Code: G4KC (likely, based on common Kia 2.4L DOHC of the...

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标签: 2007 Car Cars Kia Misc OPTIMA MG

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Description

🏷️ Basic Information

Identification

Make:

Model:

Optima

Model Code:

Year:

Engine Variant:

2.4 DOHC

Codes

Engine Code:

G4KC (likely, based on common Kia 2.4L DOHC of the era)

👋 Introduction

Market Position

Segment:

Mid-size sedan

Target Audience:

Owner-operators seeking to perform DIY maintenance and repairs, independent repair shops, enthusiasts

Competitive Analysis

Key Competitors:

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

Key Features

Vehicle Highlights:

Stylish design for its era, comfortable interior, generally reliable powertrain, good value proposition

Manual Value Proposition

Value For Money:

Provides in-depth technical information essential for maintaining and repairing the vehicle, potentially saving significant costs on professional service.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive maintenance and repair procedures

Page Count

Estimated Page Count:

Approx. 1500-2500 pages (typical for a complete service manual)

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine:

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

Transmission:

Automatic Transmission (likely M5GF1 or similar for this era) - operation, diagnosis, repair

Drivetrain:

Front-wheel drive system, drive shafts, differential

Suspension:

Front and rear suspension systems, shock absorbers, springs, control arms, steering knuckles

Steering:

Power steering system, steering column, rack and pinion

Brakes:

Front and rear brake systems (disc brakes), ABS (Anti-lock Braking System), parking brake

Electrical:

Battery, charging system, starting system, ignition system, lighting system, instrument cluster, body control module (BCM), fuses, relays, wiring diagrams

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system, components, diagnosis, and repair

Body:

Exterior body panels, interior trim, doors, windows, locks, glass, body repair procedures

Safety Systems:

Airbag system, seat belt pre-tensioners

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections

Troubleshooting:

Diagnostic procedures, symptom-based troubleshooting, fault code interpretation

Repair:

Component removal, installation, and repair procedures for all major systems

Diagnostics:

Detailed diagnostic flowcharts, testing procedures for sensors, actuators, and modules

Technical Specifications:

Torque specifications, clearances, fluid capacities, electrical specifications

Technical Depth

Depth:

Comprehensive; covers routine maintenance to full engine and transmission rebuilds, including complex electrical diagnostics

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable, allowing for quick finding of specific terms or procedures

Print Quality

Image Clarity:

High quality, suitable for displaying images, graphics, and diagrams accurately (as per description)

Readability:

Excellent, designed for clear text and diagram presentation

Binding Type

Binding:

N/A (Digital PDF format)

Paper Type

Paper Quality:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Name:

2.4L DOHC Inline-4 (Theta II family)

Displacement:

2359 cc

Bore X Stroke:

86.0 mm x 100.0 mm (typical for G4KC)

Compression Ratio:

9.6:1 to 10.5:1 (varies slightly by market/sub-model)

Valvetrain:

DOHC (Double Overhead Camshaft), 16 valves (4 valves per cylinder)

Fuel Delivery:

Electronic Multi-Point Fuel Injection (MPI)

Ignition System:

Electronic Ignition, Distributorless Ignition System (DIS) with Coil-on-Plug (COP)

Emission Controls:

Catalytic Converter, Oxygen Sensors (O2), EGR (Exhaust Gas Recirculation - depending on market)

Performance

Horsepower:

Approx. 164-175 hp @ 6000 rpm (depending on market/tune)

Torque:

Approx. 160-165 lb-ft @ 4000 rpm (depending on market/tune)

Fuel System

Fuel Type:

Unleaded Gasoline (87 Octane minimum recommended)

Fuel Tank Capacity:

Approx. 18.5 US gallons (70 Liters)

🔧 Transmission

Standard

Transmission Type:

5-speed Manual Transmission (optional, less common)

Optional

Transmission Type:

4-speed Automatic Transmission (standard on many models, likely M4AF3 or similar)

Features

Automatic Features:

Electronically controlled, Lock-up torque converter, Adaptive shift logic

Fluid Type

Automatic Transmission Fluid:

Refer to manual for specific ATF type (e.g., SP-III or equivalent)

📐 Dimensions

Exterior

Length:

Approx. 187.4 inches (4760 mm)

Width:

Approx. 72.4 inches (1839 mm)

Height:

Approx. 58.7 inches (1491 mm)

Wheelbase:

Approx. 107.1 inches (2720 mm)

Wheel Bolt Pattern:

5x114.3 mm (5x4.5 inches)

Wheel Size:

16-inch or 17-inch alloy wheels

Weights

Curb Weight:

Approx. 3300-3500 lbs (1497-1588 kg) depending on configuration

🛡️ Safety Features

Ratings

NHTSA Front Crash Test:

5-star (for driver and passenger, typically for 2007 model year)

IIHS Front Offset Crash Test:

Good (typically)

Active Features

Standard

Traction Control:

Available on some trims

Electronic Stability Control:

Available on some trims

Passive Features

Airbags:

Front airbags, Side-curtain airbags, Front-seat side airbags

Seat Belts:

Pre-tensioners and load limiters for front seats

💡 Technology Features

Infotainment

Audio System:

AM/FM/CD player with auxiliary input, optional Infinity audio system

Display:

Central LCD display for audio and climate information

Driver Assistance

Cruise Control:

Standard

Keyless Entry:

Standard or available depending on trim level

Connectivity

Auxiliary Audio Input:

Standard for connecting external audio devices

🔧 Maintenance

Service Intervals

Oil Change Interval:

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

Air Filter Replacement:

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

Cabin Air Filter Replacement:

Every 12,000-15,000 miles (19,000-24,000 km) or annually

Spark Plug Replacement:

Iridium plugs typically last 100,000 miles (160,000 km); consult manual for exact interval and type

Timing Belt Replacement:

This engine uses a timing chain, not a belt, which generally requires no scheduled replacement but should be inspected for wear.

Fluid Specifications

Engine Oil Type:

SAE 5W-20 or 5W-30 synthetic blend or full synthetic (API SN or higher)

Engine Oil Capacity:

Approx. 4.8 US quarts (4.5 Liters) with filter change

Coolant Type:

িতype 2 (OAT - Organic Acid Technology) or equivalent long-life antifreeze/coolant

Coolant Capacity:

Approx. 7.0 US quarts (6.6 Liters)

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid

Known Issues

Engine Knocking Pinging:

Can sometimes be related to carbon buildup in the combustion chambers or fuel quality.

Oil Consumption:

Some engines may exhibit moderate oil consumption as they age; monitoring oil levels is crucial.

HVAC Blower Motor Issues:

Blower motor resistor or the motor itself can fail, leading to no or intermittent fan operation.

Suspension Noise:

Worn bushings, ball joints, or tie rod ends can lead to clunking or rattling noises over bumps.

ABS Sensor Failures:

Wheel speed sensors can fail, triggering ABS warning lights and potentially affecting braking performance.

📚 Vehicle History

Brand Heritage

Manufacturer Origin:

South Korea

Brand Focus:

Value, reliability, increasing design sophistication

Model Evolution

Generation:

Second Generation (2006-2010)

Design Influence:

Designed under Peter Schreyer's later influence, marked a significant step up in styling for Kia.

Production

Manufacturing Locations:

Hwaseong, South Korea; West Point, Georgia, USA (for North American market later generations)

🏆 Awards & Recognition

Recognitions

Safety Awards:

Often received good safety ratings from NHTSA and IIHS for its class in 2007, indicating a solid safety structure.

Value Recognition:

Kia Optima models of this era were frequently praised for offering a strong balance of features and price, making them a strong value proposition.