🏷️ Basic Information

Make:

Mazda

Model:

MazdaSpeed 3

Year:

2007

Engine:

1.6 L MZ-CD I4

Engine Code:

MZR-CD 1.6 (Specific internal code for this variant likely found within manual)

👋 Introduction

Positioning:

The MazdaSpeed 3 (also known as Mazdaspeed 3) was Mazda's performance-oriented compact hatchback, designed to compete in the 'hot hatch' segment against vehicles like the Volkswagen GTI, Subaru WRX, and Mitsubishi Lancer Evolution. This 2007 model year is part of the first generation (BK) of the Mazdaspeed 3. The manual specifically denotes a 1.6L MZ-CD I4 engine, which is unusual for the North American market 'MazdaSpeed 3' which typically featured a 2.3L MZR DISI Turbocharged engine. This suggests this manual might be for a specific international market variant or a mislabeling of the engine size.

Competitors:

Key competitors for the performance compact segment in 2007 included Volkswagen GTI, Honda Civic Si, Subaru Impreza WRX, Mitsubishi Lancer Ralliart/Evolution (though Evo was a tier above), and Ford Focus ST. The MazdaSpeed 3 was known for its aggressive styling, potent turbocharged engine (typically), and engaging handling.

Distinguishing Features:

The MazdaSpeed 3, regardless of engine variant, was characterized by its sport-tuned suspension, aerodynamic body kit, aggressive front fascia, performance seats, and typically a turbocharged engine delivering strong acceleration. The 1.6L MZ-CD I4 mentioned in the product name is a diesel engine, making this a potentially unique variant focused on torque and fuel efficiency, rather than outright horsepower typically associated with the 'Speed' moniker in North America.

📋 Manual Details

Regions Covered:

Likely global, with focus on markets where the MZR-CD 1.6 engine was prevalent in the MazdaSpeed 3, although the 1.6L MZ-CD engine is more commonly associated with diesel variants of the Mazda 3 outside of North America. The product name implies a specific variant. Actual manual may cover specific regional variations.

Page Count:

Not Specified (Typical comprehensive service manuals range from 800-2000+ pages)

Manual Type:

Service Repair Manual

Language:

English (Presumed, based on product description and common practice for such manuals)

Format:

Digital (Likely PDF, as implied by 'technical details taken directly from the manufacturer')

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, pistons, connecting rods, crankshaft, timing system, lubrication system, cooling system, intake and exhaust manifolds.

Engine Electrical:

Ignition system, fuel injection system (ECU, injectors, sensors), starting system, charging system (alternator, battery), emissions control system.

Transmission:

Manual transmission (likely) - gear shift mechanism, clutch system, internal components, lubrication, torque specifications.

Drivetrain:

Front-wheel drive system, drive shafts, CV joints, differential (integrated with transmission).

Suspension:

Front and rear suspension components, struts, springs, control arms, bushings, wheel bearings, alignment specifications.

Brakes:

Front and rear brake systems (disc brakes), calipers, rotors, pads, brake lines, master cylinder, ABS system (if equipped), parking brake.

Steering:

Power steering system (hydraulic or electric), steering rack, tie rods, steering column, wheel alignment.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel filter, fuel pressure regulator, injectors (detailed under engine electrical).

HVAC:

Heating, Ventilation, and Air Conditioning system - compressor, condenser, evaporator, blower motor, refrigerant, controls, cabin filter.

Electrical Body:

Lighting system (headlights, taillights, interior), power windows, door locks, mirrors, horn, wipers, washer system, dashboard and interior components.

Chassis Body:

Body construction, frame, doors, hood, trunk lid, bumpers, exterior trim, interior trim, noise insulation.

Diagnostics:

Diagnostic Trouble Codes (DTCs), OBD-II system, troubleshooting charts, diagnostic flowcharts, wiring diagrams for all systems.

Maintenance Procedures:

Oil and filter changes, air filter replacement, fuel filter replacement, spark plug replacement, coolant flushes, brake fluid changes, power steering fluid changes, transmission fluid changes, battery maintenance, tire rotation and inspection.

Repair Procedures:

Engine overhaul, transmission rebuild, suspension component replacement, brake system repair, steering system repair, exhaust system repair, electrical component diagnosis and replacement, HVAC system repair.

Troubleshooting:

Systematic diagnosis of common and uncommon faults, symptom-based troubleshooting, wiring diagram interpretation for fault finding.

Special Tools:

Identification and usage instructions for specialized tools required for specific repairs and adjustments.

Torque Specifications:

Precise torque values for all critical fasteners across all mechanical and electrical systems.

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all vehicle systems, including power distribution, grounds, and signal pathways.

Depth:

Comprehensive (covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics and bodywork).

📊 Manual Specifications

File Format:

PDF (Portable Document Format) - Searchable text, high-resolution images and diagrams.

Print Quality:

High-resolution, suitable for printing all diagrams and text accurately.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Turbocharged Diesel Inline-4 (MZ-CD 1.6L)

Displacement:

1.6 Liters (1560 cc)

Bore X Stroke:

Typical for this engine family: approx. 75.0 mm x 88.3 mm (Specific to this variant should be in manual)

Compression Ratio:

Typical for this engine family: 17.3:1 (Specific to this variant should be in manual)

Valve Train:

DOHC, 16 valves (4 valves per cylinder)

Horsepower:

Approx. 110-115 PS (81-85 kW) at 3600-4000 rpm (Typical for 1.6L MZR-CD. Actual figure for Speed 3 variant may vary and is detailed in the manual).

Torque:

Approx. 240-260 Nm (177-192 lb-ft) at 1750-2500 rpm (Typical for 1.6L MZR-CD. Actual figure for Speed 3 variant may vary and is detailed in the manual).

Fuel Delivery:

Common Rail Direct Injection (CRDi) with Turbocharger (likely Variable Geometry Turbocharger - VGT).

Fuel Type:

Diesel

Emission Control:

Diesel Particulate Filter (DPF) and/or Selective Catalytic Reduction (SCR) likely present for emissions compliance, depending on market. EGR system also standard.

🔧 Transmission

Transmission Type:

Manual Transmission (Likely a 5-speed or 6-speed, specific to model variant. The 'Speed' badge often implies manual only).

Optional Transmission:

Not typically offered for the Speed variants, which were focused on driver engagement.

Gear Ratios:

Specific gear ratios for the manual transmission, including final drive ratio, will be detailed in the manual.

Clutch:

Hydraulically actuated, single dry plate clutch. Specifications and service procedures for clutch replacement will be covered.

📐 Dimensions

Length:

Approx. 4490 mm (176.8 in) for the BK generation Mazda 3 hatchback. Speed 3 may be slightly longer due to body kit.

Width:

Approx. 1770 mm (69.7 in). Speed 3 may be wider due to fender flares.

Height:

Approx. 1440 mm (56.7 in). Speed 3 may be slightly lower due to suspension tuning.

Wheelbase:

Approx. 2640 mm (103.9 in)

Ground Clearance:

Typically around 140-150 mm (5.5-5.9 in). May be lower on Speed models.

Curb Weight:

Likely in the range of 1350-1450 kg (2976-3197 lbs), depending on exact specification and options for the diesel Speed 3.

Gross Vehicle Weight Rating:

Specific GVWR will be detailed in the manual and on the vehicle's compliance plate.

Cargo Volume:

Approximately 340-400 liters (12.0-14.1 cu ft) with rear seats up, expandable with seats folded, for the hatchback variant.

🛡️ Safety Features

NHTSA Ratings:

Likely achieved 4 or 5 stars in frontal and side impact tests from NHTSA and equivalent global bodies for the base Mazda 3 of this generation. Specific ratings for the Speed 3 variant might differ and will be detailed in relevant sections of the manual if available from manufacturer.

Active Safety:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), Dynamic Stability Control (DSC) – these are expected features, and their operational parameters and troubleshooting will be in the manual.

Passive Safety:

Frontal airbags, side airbags, curtain airbags (likely standard), seatbelt pretensioners, crumple zones, reinforced passenger safety cell. Specific airbag system diagnosis and service procedures are vital and covered.

💡 Technology Features

Infotainment System:

Base models likely featured a standard AM/FM/CD player with auxiliary input. Higher trims might have offered an optional Bose premium audio system. Limited advanced infotainment features by today's standards. Manual will detail operation and potential troubleshooting of the audio system.

Driver Assistance Features:

Standard for the time would include ABS, TCS, and DSC. Advanced driver assistance systems (ADAS) like adaptive cruise control, lane keeping assist, or blind-spot monitoring were not common in this segment in 2007.

Connectivity Features:

Auxiliary audio input jack for connecting external music players. Bluetooth hands-free calling might have been an option on higher trims. Limited smartphone integration.

🔧 Maintenance

Oil Change Interval:

Typically 10,000 miles (16,000 km) or 12 months for diesel engines, whichever comes first. Consult manual for specific recommendations based on driving conditions.

Air Filter Interval:

Recommended replacement every 20,000 - 30,000 miles (32,000 - 48,000 km) or as needed based on driving environment (e.g., dusty conditions).

Fuel Filter Interval:

Diesel fuel filter replacement is critical. Typically recommended every 30,000 - 50,000 miles (48,000 - 80,000 km). Consult manual for the exact interval for the 1.6L MZ-CD.

Coolant Interval:

Initial change at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km) or 5 years. Use Mazda FL22 coolant or equivalent.

Engine Oil Spec:

Mazda recommends specific diesel engine oils meeting ACEA C3 or API CJ-4 specifications (or regional equivalents). Viscosity grade likely 5W-30. Exact specification crucial for DPF longevity. Consult manual for precise grade and API/ACEA classification.

Engine Oil Capacity:

Approx. 4.1 - 4.5 liters (4.3 - 4.8 US quarts) with filter change for the 1.6L diesel engine. Manual will have the exact capacity.

Transmission Fluid Spec:

Manual Transmission Fluid (MTF) - specific GL-4 or GL-5 gear oil specification will be provided in the manual. Capacity typically around 1.8 - 2.0 liters.

Brake Fluid Spec:

DOT 3 or DOT 4 brake fluid. Consult manual for specific recommendation. Regular replacement recommended every 2-3 years.

Common Issues:

For diesel engines of this era: potential for turbocharger issues, injector problems, glow plug failures, EGR valve clogging, and DPF regeneration issues if not maintained properly or used for short-trip city driving. For the 'Speed' variant in general: clutch wear, suspension components, and potentially high-pressure fuel pump issues on diesel variants.

📚 Vehicle History

Mazda Heritage:

Mazda has a long history in automotive manufacturing, known for its focus on driving dynamics ('Zoom-Zoom' philosophy), innovative technologies (like the Wankel rotary engine), and reliable vehicles. The Mazda 3, introduced in 2003, quickly became a core model, offering a blend of sporty design, engaging driving experience, and practicality.

Mazda3 Evolution:

The first generation (BK, 2003-2008) established the Mazda 3 as a strong contender in the compact segment. The Mazdaspeed 3 variant, launched for the 2007 model year in North America (and potentially earlier in other markets with different engine configurations), was specifically developed to inject high performance into the popular Mazda 3 platform. This manual covers the initial introduction of the Speed 3 variant.

Production Locations:

The Mazda 3 and Mazdaspeed 3 (BK generation) were primarily produced at Mazda's Hofu Plant in Japan. Some assembly may have occurred in other global locations depending on market. The 1.6L MZ-CD diesel engine was also produced by Mazda.

🏆 Awards & Recognition

Awards:

The Mazda 3 (including the Mazdaspeed 3 variant) received numerous accolades from automotive publications for its styling, driving dynamics, and value. While specific awards for the 2007 Mazdaspeed 3 with the 1.6L MZ-CD engine might be niche or market-specific, the Mazda 3 platform itself was widely praised.