🏷️ Basic Information

Make:

Kia

Model:

Optima

Year:

2007

Engine:

2.7L V6 DOHC MPI

Engine Code:

G6BA

Chassis Code:

MS

👋 Introduction

Segment:

Mid-size sedan

Positioning Statement:

The 2007 Kia Optima (MS platform) offered a compelling value proposition with European-inspired styling and a comfortable ride, competing against established players like the Toyota Camry, Honda Accord, and Ford Fusion.

Key Competitors:

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

Design:

Sporty and refined exterior styling, influenced by European design trends of the mid-2000s.

Interior:

Spacious cabin, quality materials for its class, comfortable seating, user-friendly dashboard layout.

Powertrain Options:

Available in 2.4L 4-cylinder and the featured 2.7L V6 engine.

📋 Manual Details

Coverage:

Comprehensive service and repair for the 2007 Kia Optima 2.7L.

Page Count:

Estimated 2000+ pages (typical for this era and scope)

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, valve train, timing.

Engine Performance:

Fuel injection, ignition system, emission control, cooling system, lubrication system, intake and exhaust.

Transmission:

Automatic transmission (Tiptronic) service, overhaul, troubleshooting, fluid specifications, torque converter.

Drivetrain:

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

Brakes:

Front and rear disc brakes, ABS, EBD, brake fluid specifications, hydraulic system, parking brake.

Suspension:

Front and rear suspension components, struts, shock absorbers, control arms, bushings, alignment specifications.

Steering:

Power steering system, rack and pinion, steering column, steering wheel, alignment.

Electrical System:

Battery, alternator, starter, wiring diagrams, fuse box locations, relays, lighting system.

Body And Chassis:

Body panels, doors, hood, trunk, interior trim, glass, bumpers, frame structure.

HVAC:

Heating, Ventilation, and Air Conditioning system, refrigerant, compressor, evaporator, blower motor.

Safety Systems:

Airbag system, seat belts, SRS module, pre-tensioners.

Maintenance:

Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections.

Troubleshooting:

Diagnostic procedures for common faults, DTC (Diagnostic Trouble Code) interpretation, symptom-based troubleshooting guides.

Repair:

Step-by-step instructions for component removal, installation, and repair of all major vehicle systems.

Overhaul:

Detailed instructions for engine and transmission overhauls, including component specifications and tolerances.

Diagnostics:

Engine performance diagnostics, ABS/TCS diagnostics, HVAC diagnostics, electrical system diagnostics.

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all vehicle circuits, including connector pinouts.

Depth:

Factory-level technical detail, suitable for professional technicians and advanced DIY enthusiasts.

Specifications:

Torque specifications, clearances, measurements, tolerances for all components.

Special Tools:

Identification and usage of specialized tools required for specific repair procedures.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text for quick information retrieval.

Resolution:

High resolution, suitable for printing detailed diagrams and schematics.

Binding:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

V6, 24-valve, DOHC MPI

Displacement:

2656 cc (2.7 Liters)

Bore X Stroke:

86.7 mm x 75.0 mm

Compression Ratio:

9.0:1

Horsepower:

185 hp @ 6000 rpm (SAE Net)

Torque:

175 lb-ft @ 4500 rpm (SAE Net)

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline, 87 octane (minimum)

ECU Type:

Siemens (typically)

Emissions Controls:

Catalytic converter, EGR (Exhaust Gas Recirculation), EVAP (Evaporative Emission Control).

Coolant Type:

Propylene glycol-based coolant (e.g., Kia Genuine Part # 00100-00203 or equivalent)

Oil Type:

API SM or ILSAC GF-4, SAE 5W-30

Oil Capacity:

4.7 Liters (5.0 US Quarts) with filter

Oil Filter Part Number:

Kia: 26300-35056 (or equivalent)

🔧 Transmission

Transmission Type:

5-speed Automatic (F5A51/A5HF1 Tiptronic)

Transmission Options:

N/A for 2.7L model, 5-speed Manual was available on 2.4L model.

Gear Ratios:

1st: 3.54, 2nd: 2.27, 3rd: 1.48, 4th: 1.00, 5th: 0.75, Reverse: 2.55

Final Drive Ratio:

3.509

Transmission Fluid Type:

Kia ATF-SP III (or equivalent Mercon V compatible fluid)

Transmission Fluid Capacity:

Approximately 8.6 Liters (9.1 US Quarts) for overhaul fill

📐 Dimensions

Length:

4800 mm (189.0 in)

Width:

1795 mm (70.7 in)

Height:

1450 mm (57.1 in)

Wheelbase:

2700 mm (106.3 in)

Front Track:

1560 mm (61.4 in)

Rear Track:

1550 mm (61.0 in)

Curb Weight:

1550 kg (3417 lbs) approx.

Gross Vehicle Weight Rating:

2050 kg (4519 lbs) approx.

Towing Capacity:

Not specified for this model in North America.

🛡️ Safety Features

NHTSA Front Impact:

5-Star (Driver), 4-Star (Passenger)

IIHS Side Impact:

Good (for vehicles with side airbags, if equipped)

ABS:

Standard (Anti-lock Braking System)

Ebd:

Standard (Electronic Brake-force Distribution)

Traction Control:

Optional on some trims

Airbags:

Front airbags standard, optional side airbags and curtain airbags.

Seat Belts:

3-point active seatbelts with pretensioners and load limiters.

💡 Technology Features

Audio System:

Standard AM/FM/CD player with 6 speakers. Optional Infinity audio system available on higher trims.

Climate Control:

Manual or automatic climate control depending on trim level.

Cruise Control:

Standard on most trims.

Aux Input:

Optional aux input jack on premium audio systems.

🔧 Maintenance

Oil And Filter:

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

Air Cleaner Filter:

Inspect every 7,500 miles (12,000 km), replace as needed or every 30,000 miles (48,000 km).

Spark Plugs:

Replace every 60,000 miles (96,000 km) using Iridium-tipped plugs.

Transmission Fluid:

Inspect every 15,000 miles (24,000 km), change every 60,000 miles (96,000 km) (normal) or 45,000 miles (72,000 km) (severe).

Coolant:

Replace every 100,000 miles (160,000 km) or 10 years, then every 50,000 miles (80,000 km) or 5 years thereafter.

Brake Fluid:

DOT 3 (or DOT 4 compatible)

Power Steering Fluid:

Dexron III (or equivalent) Automatic Transmission Fluid (ATF)

Engine:

Occasional reports of oil consumption in higher mileage V6 engines; check for oil leaks at valve cover gaskets.

Transmission:

Some units may exhibit harsh shifting or delayed engagement; proper fluid level and condition are critical. Torque converter issues have been reported.

Suspension:

Front strut mounts and sway bar links can wear, leading to clunking noises.

Electrical:

Window regulator failures are not uncommon; check fuses and relays for HVAC and power accessories.

Exhaust:

Catalytic converter failures or O2 sensor issues can trigger check engine lights.

📚 Vehicle History

Manufacturer Origin:

South Korea

Brand Philosophy:

Known for offering value and features at competitive price points, with increasing focus on design and quality.

First Generation:

2001-2006 (model code GE)

Second Generation:

2007-2010 (model code MS), represented by this manual.

Design Influences:

Penned by Peter Schreyer, who later led the brand's design renaissance. Influenced by European automotive aesthetics.

Manufacturing Locations:

Hwasung, South Korea

🏆 Awards & Recognition

Initial Quality:

While specific awards for the 2007 model year are scarce, Kia as a brand began to gain recognition for improved initial quality and value in the mid-2000s.