🏷️ Basic Information

Make:

Mazda

Model:

929

Model Code:

HC (Second Generation)

Model Generation:

Second Generation

Year:

1993-1994

👋 Introduction

Market Position:

The Mazda 929 (HC) was positioned as Mazda's flagship luxury sedan in the early to mid-1990s, competing with other premium Japanese and European sedans of its era.

Competitive Analysis:

Competed against vehicles like the Toyota Crown/Majesta, Nissan Cedric/Gloria, Lexus LS400, Infiniti Q45, and European offerings such as the BMW 7 Series and Mercedes-Benz S-Class.

Key Features:

Renowned for its sophisticated design, refined ride, advanced features for its time (e.g., available E-AWS - Electronic All-Wheel Steering, advanced audio systems), and the smooth operation of its V6 engine. This manual provides the necessary technical knowledge to maintain and repair these complex systems.

📋 Manual Details

Coverage Areas:

Full vehicle service, repair, and maintenance

Page Count:

Estimated 1000+ pages (typical for full workshop manuals of this era)

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Digital (likely PDF, searchable text)

📖 Manual Coverage

Systems Covered:

Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Clutch, Transmission (Automatic), Driveline, Axles, Suspension (Front & Rear), Steering System, Brakes (ABS), Wheels & Tires, Body Electrical System, HVAC (Heating, Ventilation, Air Conditioning), Interior Trim & Upholstery, Exterior Body Panels & Trim, Lighting System, Audio System, Cruise Control System

Procedures Included:

Routine maintenance, diagnostic procedures, troubleshooting guides, component removal and installation, repair procedures, torque specifications, wiring diagrams, fluid capacities and specifications, component testing, calibration, engine overhaul, transmission overhaul, brake system service, suspension adjustments

Technical Depth:

Comprehensive; suitable for professional technicians and advanced DIY enthusiasts. Covers detailed diagnostics, component-level repair, and rebuild procedures.

Diagnostic Procedures:

Detailed troubleshooting flowcharts for electrical and mechanical issues, diagnostic trouble codes (DTCs) for ECU-controlled systems, testing procedures for sensors and actuators.

Repair Procedures:

Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation. Includes specialized procedures for systems like E-AWS.

Torque Specifications:

Extensive list of torque values for all critical fasteners, including engine components, suspension parts, brake assemblies, and body panels.

Wiring Diagrams:

Complete and detailed electrical wiring diagrams for all vehicle systems, color-coded for easy identification of circuits, components, and grounds.

Fluid Capacities And Specifications:

Precise specifications for all fluids, including engine oil, transmission fluid, coolant, brake fluid, power steering fluid, and differential fluid (if applicable), along with capacities for each.

📊 Manual Specifications

File Format:

PDF (Portable Document Format)

Print Quality:

High-resolution scans of original factory documentation, ensuring clarity of text and diagrams

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine:

3.0L V6 (JE-ZE)

Engine Variant:

JE-ZE DOHC 24-valve V6

Engine Displacement:

2954 cc

Engine Horsepower:

Approximately 190-200 hp (varies slightly by market and specific tune)

Engine Torque:

Approximately 250-260 Nm (184-192 lb-ft)

Fuel System:

Electronic Fuel Injection (EFI), Multi-point Fuel Injection (MPI)

Induction Type:

Naturally Aspirated

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug or Coil-Pack arrangement

Engine Management:

ECU controlled with sensors for O2, MAP, TPS, ECT, CKP, CMP

Engine Coolant:

Mazda recommends a 50/50 mix of ethylene glycol-based coolant and distilled water. Refer to manual for exact specifications (e.g., Mazda FL22 or equivalent).

Engine Oil Type:

API SG or SH, SAE 10W-30 or 10W-40 recommended. Check manual for seasonal variations.

Engine Oil Capacity:

Approximately 4.5 - 5.0 Liters (4.7 - 5.3 US Quarts) with filter change.

Engine Oil Filter Part Number Example:

Mazda: B6Y1-14-302 or equivalent aftermarket (e.g., Fram PH7317, Wix 51515)

🔧 Transmission

Standard:

4-Speed Automatic Transmission

Optional:

None documented for this generation in most markets

Transmission Model:

4-speed automatic, likely JATCO or Mazda proprietary unit

Transmission Fluid Type:

Mazda ATF D-II or equivalent Dexron II/III

Transmission Fluid Capacity:

Approximately 8.5 - 9.5 Liters (8.9 - 10.0 US Quarts) for complete refill, check dipstick for level.

Transmission Features:

Lock-up torque converter for improved fuel efficiency at cruising speeds.

📐 Dimensions

Exterior Length:

Approximately 4,950 - 5,000 mm (194.9 - 196.9 inches)

Exterior Width:

Approximately 1,765 mm (69.5 inches)

Exterior Height:

Approximately 1,400 - 1,415 mm (55.1 - 55.7 inches)

Wheelbase:

Approximately 2,850 mm (112.2 inches)

Curb Weight:

Approximately 1,550 - 1,650 kg (3,417 - 3,638 lbs)

Wheel Size:

Typically 15 or 16 inch alloy wheels

Tire Size:

Commonly 205/65R15 or 205/60R16, check specific vehicle

Wheel Bolt Pattern:

5 x 114.3 mm (5 x 4.5 inches)

Fuel Tank Capacity:

Approximately 74 Liters (19.5 US Gallons)

🛡️ Safety Features

Ratings:

No comprehensive official crash test ratings available from modern agencies like NHTSA or IIHS for this specific era and model, however, it was built to contemporary safety standards of the time.

Active Features:

Anti-lock Braking System (ABS) available on higher trims, Electronic All-Wheel Steering (E-AWS) available on some models

Passive Features:

Driver and front passenger airbags, seatbelt pretensioners, reinforced chassis structure

Brake System:

Front: Ventilated Disc, Rear: Disc (with ABS optional)

💡 Technology Features

Infotainment:

Premium audio systems with cassette player and often a digital display tuner. Some models featured early CD players or CD changers.

Driver Assistance:

Electronic All-Wheel Steering (E-AWS) was a signature feature, automatically adjusting rear wheel angle for improved stability and maneuverability.

Climate Control:

Automatic climate control systems with digital displays were available on higher trims.

Cruise Control:

Standard or optional, typically electronic speed control.

🔧 Maintenance

Service Intervals Oil Change:

Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first. Refer to manual for specific recommendation based on driving conditions.

Service Intervals Air Filter:

Inspect every 7,500 miles (12,000 km), replace as needed or approximately every 15,000 - 30,000 miles (24,000 - 48,000 km).

Service Intervals Spark Plugs:

Typically 60,000 - 100,000 miles (96,000 - 160,000 km) depending on plug type (e.g., iridium). Original type may have shorter intervals. Consult manual.

Service Intervals Timing Belt:

Crucial component. Recommended replacement interval is typically around 60,000 - 90,000 miles (96,000 - 144,000 km). Failure can cause catastrophic engine damage as this is an interference engine.

Fluid Specifications Brake Fluid:

DOT 3 or DOT 4, check manual for specific recommendation.

Fluid Specifications Power Steering Fluid:

Mazda Genuine Power Steering Fluid or equivalent ATF Dexron II/III

Fluid Specifications Coolant:

50/50 mix of ethylene glycol-based coolant and distilled water (e.g., Mazda SLLC or equivalent).

Known Issues:

Potential issues include aging rubber suspension components, power steering leaks, climate control system malfunctions (heater control valves, blower motor resistors), ABS sensor failures, and EGR valve issues. The timing belt replacement is critical. The E-AWS system, while advanced, can also be a source of maintenance requirements.

Maintenance Schedule Example 15K:

Oil and filter change, check fluid levels, inspect brakes, check tire pressure and condition.

Maintenance Schedule Example 30K:

Includes 15k items plus replace engine air filter, inspect transmission fluid, rotate tires.

Maintenance Schedule Example 60K:

Includes 30k items plus replace spark plugs, inspect drive belts, check cooling system hoses, potentially replace transmission fluid and filter.

📚 Vehicle History

Brand Heritage:

Mazda has a long history of producing reliable and innovative vehicles, with the 929 serving as a testament to their efforts in the luxury segment.

Model Evolution:

The HC generation (1991-1994) was a significant evolution from its predecessor, featuring a more aerodynamic design, a larger V6 engine, and advanced technologies like E-AWS and multi-link suspension.

Production:

Produced from 1991 to 1994 (HC generation). The Mazda 929 nameplate had several previous generations, with the HC being the final iteration before being replaced by other large Mazda sedans or discontinuing the 929 line in many markets.

Manufacturing Location:

Primarily Japan

🏆 Awards & Recognition

Recognitions:

While specific awards for the 1993-1994 models are not widely publicized, the 929 was generally praised for its refinement, smooth ride, and advanced features, contributing to Mazda's growing reputation in the premium automotive segment.