Mazda Mazda 929 1986-1991 Suspension Specifications
Explore the detailed suspension specifications for the 1986-1991 Mazda 929, including spring rates, shock absorbers, alignment settings, and geometry. Ideal for repairs, maintenance, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 1986-1991 Mazda 929. It is designed to assist mechanics, enthusiasts, and owners in understanding the suspension components, configurations, and maintenance requirements. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about front and rear suspension systems, alignment specifications, and more.
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Key Specifications
Front Spring Rate
2.8 kg/mm
Rear Spring Rate
2.5 kg/mm
Front Strut Diameter
50 mm
Rear Shock Stroke
150 mm
Turning Radius
5.5 meters
Available Specifications
Front Suspension
The front suspension of the 1986-1991 Mazda 929 features an independent MacPherson strut system designed for stability and comfort. This section covers the key components, including struts, control arms, and bushings, along with their specifications and maintenance tips.
Front Suspension
The front suspension of the 1986-1991 Mazda 929 features an independent MacPherson strut system designed for stability and comfort. This section covers the key components, including struts, control arms, and bushings, along with their specifications and maintenance tips.
MacPherson Strut Assembly
- Strut type: Gas-charged hydraulic
- Spring rate: 2.8 kg/mm
- Strut diameter: 50 mm
- Upper mount material: Rubber with steel reinforcement
- Bump stop: Integrated into strut
- Dust cover: Replaceable
Control Arms and Bushings
- Material: Steel with rubber bushings
- Bushing durometer: 70 Shore A
- Ball joint type: Sealed, non-serviceable
- Control arm length: 420 mm
- Bushing replacement interval: 100,000 km
Rear Suspension
The rear suspension system of the Mazda 929 utilizes a multi-link setup for enhanced handling and ride quality. This section details the components, including trailing arms, coil springs, and shock absorbers, along with their technical specifications.
Rear Suspension
The rear suspension system of the Mazda 929 utilizes a multi-link setup for enhanced handling and ride quality. This section details the components, including trailing arms, coil springs, and shock absorbers, along with their technical specifications.
Multi-Link Suspension
- Link type: Four-link independent
- Spring rate: 2.5 kg/mm
- Shock absorber type: Twin-tube hydraulic
- Trailing arm material: High-strength steel
- Bushing material: Polyurethane
- Alignment adjustment: Camber and toe
Coil Springs and Shock Absorbers
- Coil spring free length: 350 mm
- Shock absorber stroke: 150 mm
- Damping force: Adjustable
- Mounting type: Top and bottom rubber mounts
- Replacement interval: 120,000 km
Alignment Specifications
Proper alignment is critical for optimal handling and tire wear. This section provides the factory-recommended alignment settings for the 1986-1991 Mazda 929, including camber, caster, and toe angles.
Alignment Specifications
Proper alignment is critical for optimal handling and tire wear. This section provides the factory-recommended alignment settings for the 1986-1991 Mazda 929, including camber, caster, and toe angles.
Front Alignment
- Camber angle: -0.5° to +0.5°
- Caster angle: +3.5° to +4.5°
- Toe angle: 0° to +0.2°
- Steering axis inclination: 12.5°
- Turning radius: 5.5 meters
Rear Alignment
- Camber angle: -1.0° to 0°
- Toe angle: +0.1° to +0.3°
- Thrust angle: 0°
- Ride height: 140 mm (measured from wheel center to fender)
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Component Specifications
Overview
- Type
- Independent MacPherson strut (front), Independent multi-link (rear)
- Configuration
- Front and rear independent suspension
- Platform
- Mazda HB platform
- Material
- High-strength steel and aluminum components
- Location
- Front and rear axles
Dimensions
- Front Strut Length
- 18.5 inches (470 mm)
- Rear Shock Length
- 20.1 inches (510 mm)
- Spring Wire Diameter
- 0.55 inches (14 mm)
- Spring Free Length
- 12.6 inches (320 mm)
- Sway Bar Diameter Front
- 0.98 inches (25 mm)
- Sway Bar Diameter Rear
- 0.79 inches (20 mm)
- Bushing Outer Diameter
- 1.57 inches (40 mm)
Materials
- Springs
- High-carbon steel
- Shock ABSorbers
- Steel casing with hydraulic fluid
- Control Arms
- Forged steel
- Bushings
- Rubber and polyurethane
- Sway Bars
- Heat-treated alloy steel
Features
- Damping
-
- Hydraulic shock absorbers
- Twin-tube design
- Adjustable rebound damping
- Springs
-
- Progressive rate springs
- Corrosion-resistant coating
- Precision wound coils
- Bushings
-
- Rubber isolators
- Polyurethane options available
- Self-lubricating design
- Alignment
-
- Adjustable camber
- Adjustable toe
- Caster fixed by design
- Stability
-
- Front and rear sway bars
- Reinforced mounting points
- Anti-dive geometry
Safety Features
- Structural integrity
-
- Reinforced subframe
- Crash-resistant mounting points
- Failure Protection
-
- Bump stops
- Overload protection springs
- Corrosion Resistance
-
- Galvanized components
- Rust-resistant coatings
Comfort Features
- Noise Reduction
-
- Isolated bushings
- Sound-deadening materials
- Vibration Control
-
- Hydraulic mounts
- Tuned damping rates
- Ride Quality
-
- Progressive spring rates
- Optimized shock valving
- Adjustability
-
- Height-adjustable options
- Custom damping settings
Accessories
- Upgrades
-
- Performance shocks
- Lowering springs
- Polyurethane bushings
- Tools
-
- Spring compressors
- Alignment tools
- Bushing press
- Maintenance Kits
-
- Bushing replacement kit
- Shock absorber rebuild kit
- Sway bar link kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect bushings and mounts
- Check shock absorber performance
- Lubricate suspension components
- Inspect alignment
- Check for corrosion
- Maintenance Notes
- Regular alignment checks recommended, especially after impact or curb strikes
Warranty
- Standard Warranty
- Miles: 36,000Years: 3Coverage: Manufacturer defects
- Corrosion Warranty
- Miles: 60,000Years: 5Coverage: Perforation corrosion
- Replacement Parts Warranty
- Miles: 12,000Years: 1Coverage: Replacement components
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Mazda Motor Corporation
- Manufacturing Process
-
- Precision forging
- Robotic welding
- Heat treatment
- Quality Control
- Testing: Durability testing, Corrosion resistance testing, Performance validationStandards: ISO 9001, JIS D 0101
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Production: 50,000 unitsDefect Rate: 0.05%Lead Time: 4 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect bushings and mounts
- Check shock absorber performance
- Lubricate suspension components
- Inspect alignment
- Check for corrosion
Alignment checks recommended after impact or curb strikes
- Replace worn bushings
- Check spring condition
- Inspect sway bar links
- Test shock absorber damping
- Verify subframe integrity
Special tools required for bushing replacement
- Replace shock absorbers
- Inspect and replace springs if needed
- Overhaul suspension mounts
- Check and replace sway bars
- Full alignment and geometry check
Critical to replace all worn components simultaneously for balanced performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the suspension system of the 1986-1991 Mazda 929 compatible with other Mazda models?
Is the suspension system of the 1986-1991 Mazda 929 compatible with other Mazda models?
The suspension system of the 1986-1991 Mazda 929 is specifically designed for this model and may not be directly compatible with other Mazda vehicles. While some components like bushings or shocks might share similarities, critical parts such as struts, springs, and control arms are model-specific. Always verify part numbers and consult a professional or Mazda’s technical documentation before attempting cross-model compatibility.
Q2 What are the maintenance requirements for the Mazda 929 suspension system?
What are the maintenance requirements for the Mazda 929 suspension system?
Regular maintenance of the Mazda 929 suspension system includes inspecting shocks and struts for leaks or wear, checking bushings and ball joints for cracks or looseness, and ensuring proper tire alignment. Lubricate moving parts as specified in the service manual. Replace worn components promptly to avoid further damage. A professional inspection every 30,000 miles is recommended to maintain optimal performance.
Q3 How do I replace the suspension struts on a 1986-1991 Mazda 929?
How do I replace the suspension struts on a 1986-1991 Mazda 929?
To replace the suspension struts, first, safely lift the vehicle and remove the wheels. Disconnect the brake line and ABS sensor if equipped. Unbolt the strut from the steering knuckle and remove the upper strut mount bolts in the engine bay. Install the new strut in reverse order, ensuring all bolts are torqued to factory specifications. A spring compressor is required for safe disassembly and assembly of the strut assembly.
Q4 What are common suspension issues in the Mazda 929 and how can I troubleshoot them?
What are common suspension issues in the Mazda 929 and how can I troubleshoot them?
Common suspension issues include uneven tire wear, excessive bouncing, and clunking noises. Uneven wear often indicates alignment problems or worn shocks. Excessive bouncing suggests worn struts or shocks. Clunking noises may point to loose or damaged bushings or ball joints. Inspect components visually and perform a bounce test. Replace faulty parts and ensure proper alignment to resolve these issues.
Q5 How can I optimize the suspension performance of my Mazda 929?
How can I optimize the suspension performance of my Mazda 929?
To optimize suspension performance, consider upgrading to high-quality aftermarket shocks or coilovers for improved handling. Lowering springs can enhance stability, though ride comfort may be affected. Regularly check and maintain tire pressure and alignment. Polyurethane bushings offer better durability and performance than rubber ones. Always balance performance upgrades with daily driving needs and consult a professional for installation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mazda 929 Service Manual (1986-1991)
Coming SoonComprehensive guide covering suspension repair, maintenance, and troubleshooting for the 1986-1991 Mazda 929.
Technical Service Bulletin: Suspension Noise Fix
Coming SoonTSB addressing common suspension noise issues in the Mazda 929 and recommended repair procedures.
Mazda 929 Suspension Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket suspension parts for the 1986-1991 Mazda 929.
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