🏷️ Basic Information

Make:

Mazda

Model:

MazdaSpeed3

Year:

2007

Engine Code:

MZR-CD (for diesel variant, though the product name implies a gasoline MZR engine for the Speed3, there's a potential discrepancy to note)

Model Code:

BK (First Generation MazdaSpeed3)

👋 Introduction

Segment:

Compact Sport/Performance Hatchback

Target Audience:

Enthusiast drivers seeking a practical yet performance-oriented vehicle

Key Competitors 2007:

Volkswagen GTI, Subaru Impreza WRX, Honda Civic Si, Mitsubishi Lancer Ralliart

Performance Focus:

MazdaSpeed badge signifies enhanced performance over standard Mazda3

Handling:

Renowned for sharp, engaging handling characteristics, often praised for its direct steering and balanced chassis

Turbocharged Engine:

Direct-injected (DISI) turbocharged engine for increased power and torque delivery

📋 Manual Details

Coverage:

Complete maintenance and repair procedures

Pages:

Varies by edition, typically 1500-2500+ pages for comprehensive factory service manuals

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Likely Digital (PDF) for modern sales, possibility of printed versions

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, lubrication, cooling, exhaust, intake, turbocharger system

Transmission:

Manual transmission (MPS6), clutch, driveshafts, differentials, shift linkage

Chassis:

Suspension (front and rear), steering system, brakes (front and rear discs, ABS, DSC), wheels and tires

Electrical System:

Battery, charging system, starting system, lighting, instrumentation, body electricals, ECU diagnostics, wiring diagrams

Body And Interior:

Body panels, doors, windows, seats, dashboard, HVAC system, SRS airbag system

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement

Repair:

Engine disassembly/assembly, component replacement (e.g., turbo, injectors, brake calipers), drivetrain overhaul, electrical component repair

Troubleshooting:

Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides

Technical Specifications:

Torque values, clearances, component tolerances, electrical specifications

Special Tools:

Identification and usage of Mazda-specific or required special tools for certain procedures

Depth:

Comprehensive, from basic fluid changes to complete engine and transmission rebuilds, including electrical system diagnostics and wiring diagrams

📊 Manual Specifications

Digital Format:

Likely PDF, optimized for searchability and navigation

Print Readability:

Designed for clarity, with clear diagrams and text, suitable for printing specific sections

Binding:

N/A (if digital), typically professional binding if printed

Paper Quality:

N/A (if digital), typically high-quality, durable paper for printed manuals

⚙️ Engine Specifications

Engine Type:

Inline-4 (I4), turbocharged, intercooled

Displacement:

2.3 L (MZR DISI Turbo L3-VDT)

Bore X Stroke:

87.5 mm x 94.0 mm

Compression Ratio:

8.5:1

Valvetrain:

DOHC, 16-valve, variable intake timing (S-VT)

Horsepower:

263 hp @ 5500 rpm (approx.)

Torque:

280 lb-ft @ 3000 rpm (approx.)

Fuel Delivery:

Direct Injection (DISI) with High-Pressure Fuel Pump

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Engine Identification Code:

L3-VDT (Note: The product name mentions MZR-CD I4, which is a diesel engine. The 2007 Mazdaspeed3 in most markets was equipped with the gasoline L3-VDT. This manual is likely for the gasoline variant.)

🔧 Transmission

Type:

6-speed Manual Transmission (MPS6)

Type:

N/A (Manual transmission was standard and the only option for the Mazdaspeed3)

Gear Ratios:

Specific ratios detailed in manual, designed for sporty performance

Differential:

Limited-slip differential (LSD) for improved traction during hard acceleration

Clutch:

Heavy-duty clutch system to handle increased torque

📐 Dimensions

Length:

176.8 inches (4490 mm)

Width:

69.1 inches (1755 mm)

Height:

57.7 inches (1465 mm)

Wheelbase:

104.0 inches (2640 mm)

Front Track:

60.4 inches (1535 mm)

Rear Track:

60.0 inches (1525 mm)

Curb Weight:

3169 lbs (1437 kg) (approx.)

Gross Vehicle Weight Rating:

Not explicitly stated in brief product info, but detailed in manual.

Cargo Volume:

22.8 cu ft (with rear seats up)

Max Cargo Volume:

43.2 cu ft (with rear seats folded)

🛡️ Safety Features

NHTSA Front Impact:

5-Star (for driver and front passenger)

IIHS Side Impact:

Good (IIHS Top Safety Pick for some configurations)

Traction Control:

Traction Control System (TCS)

Stability Control:

Dynamic Stability Control (DSC)

ABS:

Anti-lock Braking System (ABS)

Brake Assist:

Brake Assist (BA)

Limited Slip Differential:

Standard front LSD for enhanced traction and cornering

Airbags:

Front airbags, front side-impact airbags, side-curtain airbags

Seatbelts:

3-point front seatbelts with pretensioners, rear seatbelts

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system

💡 Technology Features

Audio System:

Premium Bose audio system with subwoofer often standard or available. Manual covers system operation and basic troubleshooting.

Climate Control:

Automatic climate control often available. Manual details HVAC system components and repair.

Cruise Control:

Standard cruise control.

Keyless Entry:

Available keyless entry and push-button start.

Auxiliary Input:

Auxiliary audio input jack for connecting external devices.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions (consult manual for specific recommendations).

Air Filter Replacement:

Every 15,000-30,000 miles, or as needed based on driving environment.

Spark Plug Replacement:

Typically around 60,000-75,000 miles for iridium plugs (refer to manual for exact type and interval).

Timing Belt Chain:

This engine uses a timing chain, which is generally designed to last the life of the engine and does not have a scheduled replacement interval, though tensioners and guides may require inspection/replacement over time.

Engine Oil Type:

Synthetic 5W-30 API SN or higher (check manual for exact specification).

Engine Oil Capacity:

Approximately 5.1 US quarts (4.8 liters) with filter change.

Coolant Type:

Mazda Super Long Life Coolant (or equivalent HOAT coolant, typically pink or orange).

Transmission Fluid Type:

GL-4 Gear Oil (specific viscosity, e.g., 75W-90, as per manual).

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Engine Carbon Buildup:

Direct injection engines can be prone to carbon buildup on intake valves, potentially requiring periodic cleaning (e.g., walnut blasting). The manual will detail inspection and cleaning procedures.

Clutch Wear:

Aggressive driving can lead to accelerated clutch wear. Manual provides clutch inspection and replacement procedures.

Turbocharger Maintenance:

Proper oil changes and allowing the turbo to cool down after spirited driving are crucial. Manual details turbo system maintenance and troubleshooting.

Torque Steer:

The car is known for torque steer due to the powerful front-wheel-drive setup. While not a 'failure' issue, the manual will cover alignment and suspension settings that can mitigate it.

📚 Vehicle History

Performance Lineage:

Mazda has a history of performance vehicles, particularly with its 'Speed' models dating back to the MazdaSpeed Protege.

Generation:

First Generation (BK) Mazdaspeed3, introduced for the 2007 model year.

Development Focus:

Designed as a high-performance variant of the popular Mazda3, focusing on engine power, suspension tuning, and aerodynamic enhancements.

Production Years:

2007-2009 (First Generation)

Manufacturing Location:

Japan (Hofu Plant)

🏆 Awards & Recognition

Car And Driver 10Best:

Mazda3 platform (on which the Speed3 is based) was frequently recognized by Car and Driver. The Speed3 itself was lauded for its performance and value.

Motor Trend Car Of The Year:

Mazda3 (non-Speed) was a contender/award winner in previous years, setting a strong platform for the Speed3.

Enthusiast Reviews:

Consistently praised by automotive journalists and enthusiasts for its driving dynamics and potent turbocharged engine.