Engine Mechanical:
Engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, timing system, lubrication system, cooling system, fuel system, intake and exhaust systems, emission control systems.
Engine Electrical:
Ignition system, starting system, charging system, engine control module (ECM) diagnostics, sensors, actuators, wiring diagrams, troubleshooting.
Transmission Manual:
Clutch system, manual transmission overhaul, gear selection, driveshafts, differential.
Transmission Automatic:
Automatic transmission overhaul, torque converter, hydraulic control system, electronic control unit (ECU) for transmission, driveshafts, differential.
Chassis:
Suspension systems (front and rear), steering system, braking system (ABS, EBD), wheel alignment, wheel bearings, hubs.
Body And Frame:
Body panel removal/installation, interior trim, doors, windows, sunroof, bumpers, exterior moldings, frame and chassis components.
Electrical System:
Lighting systems, power windows, power locks, mirrors, wipers, horn, audio system, climate control system, instrument cluster, body control module (BCM) diagnostics, wiring diagrams.
HVAC:
Air conditioning system diagnosis and repair, heater core, blower motor, refrigerant handling, climate control module.
Safety Systems:
Airbag system diagnosis and repair, seatbelt mechanisms, SRS wiring.
Maintenance:
Oil changes, filter replacements, fluid level checks and top-offs, spark plug replacement, belt inspection and replacement, brake pad and rotor replacement, tire rotation and inspection.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation and resolution.
Repair:
Component removal, installation, and adjustment for all major systems. Includes detailed step-by-step instructions with torque specifications.
Overhaul:
Complete engine and transmission rebuild procedures, including parts replacement and specifications.
Diagnostics:
Advanced diagnostic techniques for engine, transmission, ABS, airbags, and body electronics. Use of scan tools and specialized equipment.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems, aiding in diagnosis and repair of electrical faults.
Depth:
Comprehensive, covering everything from basic preventative maintenance to complete engine and transmission overhauls. Suitable for professional technicians and advanced DIY enthusiasts.
Engine Type:
Inline 4-cylinder, DOHC
Displacement:
2.0 Liters (1998 cc)
Engine Code:
G4GC (Theta)
Horsepower:
Approximately 138 hp @ 6000 rpm (varies slightly by market/specific variant)
Torque:
Approximately 134 lb-ft @ 4500 rpm (varies slightly by market/specific variant)
Injection:
Electronic Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Recommended Oil Viscosity:
SAE 5W-20 (API SM or higher)
Oil Capacity:
Approx. 4.5 quarts (4.3 liters) with filter change
Spark Plug Type:
NGK PFR5N-11 (or equivalent, consult manual for exact part number)
Type:
5-speed Manual Transmission
Type:
4-speed Automatic Transmission
Automatic Control:
Electronically controlled with overdrive
Manual Transmission Fluid:
API GL-4, SAE 75W-90 (Consult manual for exact specification and capacity)
Automatic Transmission Fluid:
Kia Genuine ATF SP-III or equivalent (Consult manual for exact specification and capacity)
Length:
Sedan: approx. 174.5 inches (4432 mm), Hatchback: approx. 169.1 inches (4300 mm)
Width:
approx. 67.7 inches (1720 mm)
Height:
Sedan: approx. 56.3 inches (1430 mm), Hatchback: approx. 56.9 inches (1445 mm)
Wheelbase:
approx. 102.4 inches (2600 mm)
Curb Weight:
Approx. 2700-2800 lbs (1225-1270 kg), varies by body style and equipment
Gross Vehicle Weight Rating:
Refer to vehicle placard for specific GVWR
NHTSA Frontal Crash:
4-star driver, 4-star passenger (for certain configurations, consult NHTSA for specifics)
IIHS Crash Test:
Marginal to Good rating in various tests depending on the year and specific test (check IIHS archives for detailed results)
ABS:
Standard (Anti-lock Braking System)
Ebd:
Standard (Electronic Brakeforce Distribution)
Airbags:
Frontal airbags, side-impact airbags (optional or standard depending on trim), side curtain airbags (optional or standard depending on trim).
Seatbelts:
3-point seatbelts with pretensioners in the front.
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions). Severe duty intervals may be shorter.
Air Filter Replacement:
Every 15,000 miles (24,000 km) or annually.
Cabin Air Filter Replacement:
Every 12,000 miles (19,000 km) or annually.
Spark Plug Replacement:
Every 60,000 miles (96,000 km).
Timing Belt Replacement:
This engine utilizes a timing chain, not a belt. However, the chain tensioner and guides should be inspected periodically.
Coolant Type:
Ethylene glycol-based antifreeze (typically Asian Red/Pink HOAT or equivalent). Kia Long Life Coolant or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Refer to manual; typically Dexron III ATF or a specific power steering fluid.
Engine Oil Consumption:
Some Theta engines have been known to experience higher-than-average oil consumption. Regular checks are crucial. Piston ring wear is often cited.
Transmission Issues:
Some automatic transmissions may exhibit rough shifting or delayed engagement. Fluid changes are critical for longevity.
Suspension Components:
Premature wear of suspension components like ball joints and control arm bushings can occur, leading to knocking noises or alignment issues.
Cv Joints:
Front CV joint boots can degrade, leading to joint failure if not addressed.
Brand Overview:
Kia Motors Corporation is a South Korean automobile manufacturer, known for offering vehicles with a strong value proposition and increasingly sophisticated designs and technologies.
Generations:
The Kia Spectra was part of Kia's global lineup, succeeding the Kia Sephia. The second generation (model codes CD, LD) ran from 2003 to 2009, with a facelift in 2007. The 2009 model year represents the final year for the Spectra nameplate in many markets before being replaced by the Kia Forte (Cerato).
Manufacturing Locations:
Primarily manufactured in South Korea, with potential assembly in other regions depending on the market.
Production Years:
Model produced from 2004 to 2009 (model years).