Subaru Subaru Impreza 1992-2000 Brakes Specifications
Explore the detailed brake specifications for the 1992-2000 Subaru Impreza, including rotor sizes, caliper types, and pad dimensions. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the braking system of the 1992-2000 Subaru Impreza. It is designed to assist mechanics, enthusiasts, and owners in understanding the brake components, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, search for specific details, and reference key specifications quickly.
How to Use
Use the search functionality to find specific terms or components related to the braking system. Enter keywords like 'rotor size' or 'brake pad material' to locate relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Front Rotor Diameter
10.7 inches (272 mm)
Rear Rotor Diameter
10.2 inches (260 mm)
Brake Fluid Type
DOT 3 or DOT 4
Front Pad Thickness (New)
0.47 inches (12 mm)
Rear Drum Diameter
7.1 inches (180 mm)
Available Specifications
Front Brake System
This section covers the front brake system of the 1992-2000 Subaru Impreza, including the brake calipers, rotors, and pads. It provides details on dimensions, materials, and maintenance tips to ensure optimal performance.
Front Brake System
This section covers the front brake system of the 1992-2000 Subaru Impreza, including the brake calipers, rotors, and pads. It provides details on dimensions, materials, and maintenance tips to ensure optimal performance.
Brake Calipers
- Single-piston floating calipers
- Made of lightweight aluminum alloy
- Compatible with standard and performance brake pads
- Require periodic inspection for wear and corrosion
Brake Rotors
- Ventilated front rotors for improved heat dissipation
- Standard rotor diameter: 10.7 inches (272 mm)
- Thickness: 0.98 inches (25 mm)
- Replace if thickness falls below 0.91 inches (23 mm)
Brake Pads
- Semi-metallic or ceramic pad options
- Standard pad thickness: 0.47 inches (12 mm)
- Replace if thickness is less than 0.12 inches (3 mm)
- Ensure proper bedding-in process for new pads
Rear Brake System
This section details the rear brake system, including drum and disc brake configurations, depending on the model year and trim. It provides specifications and maintenance guidelines for rear brake components.
Rear Brake System
This section details the rear brake system, including drum and disc brake configurations, depending on the model year and trim. It provides specifications and maintenance guidelines for rear brake components.
Rear Brake Drums (Base Models)
- Drum diameter: 7.1 inches (180 mm)
- Shoe lining thickness: 0.16 inches (4 mm)
- Replace if lining thickness is less than 0.04 inches (1 mm)
- Adjust brake shoe clearance periodically
Rear Disc Brakes (Higher Trims)
- Solid rear rotors
- Rotor diameter: 10.2 inches (260 mm)
- Thickness: 0.39 inches (10 mm)
- Replace if thickness falls below 0.35 inches (9 mm)
Brake Fluid and Hydraulics
This section focuses on the brake fluid requirements and hydraulic system components, including the master cylinder and brake lines. It provides guidelines for fluid replacement and system maintenance.
Brake Fluid and Hydraulics
This section focuses on the brake fluid requirements and hydraulic system components, including the master cylinder and brake lines. It provides guidelines for fluid replacement and system maintenance.
Brake Fluid
- DOT 3 or DOT 4 brake fluid recommended
- Boiling point: 401°F (205°C) for DOT 3, 446°F (230°C) for DOT 4
- Replace fluid every 2 years or 30,000 miles
- Check for contamination or moisture regularly
Master Cylinder
- Dual-circuit design for safety
- Bore size: 0.87 inches (22 mm)
- Inspect for leaks or wear in seals
- Replace if pedal feel becomes spongy
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Brakes Specifications
Overview
- Type
- Hydraulic disc (front), drum (rear)
- Configuration
- Dual-circuit, diagonally split
- Platform
- Subaru Impreza GC/GF/GM chassis
- Material
- Cast iron rotors, steel drums
- Location
- Front and rear axles
Dimensions
- Front Rotor Diameter
- 10.2 inches / 259 mm
- Front Rotor Thickness
- 0.98 inches / 25 mm
- Rear Drum Diameter
- 7.87 inches / 200 mm
- Rear Drum Width
- 1.57 inches / 40 mm
- Brake Pad Thickness
- 0.47 inches / 12 mm
- Brake Shoe Thickness
- 0.31 inches / 8 mm
- Master Cylinder Diameter
- 0.87 inches / 22 mm
Materials
- Rotors
- Cast iron with anti-corrosion coating
- Drums
- High-carbon steel
- Pads
- Semi-metallic friction material
- Shoes
- Organic friction material
- Brake Lines
- Steel braided with rubber coating
Features
- Braking System
-
- Anti-lock Braking System (ABS) optional
- Dual-circuit hydraulic system
- Proportioning valve for rear brakes
- Self-adjusting rear drum brakes
- Performance
-
- Vented front rotors for heat dissipation
- High-friction brake pads
- Optimized pedal feel
- Short stopping distance for class
- Durability
-
- Corrosion-resistant rotors
- Reinforced brake lines
- Long-lasting friction materials
- Sealed wheel cylinder design
- Maintenance
-
- Wear indicators on brake pads
- Easy-access drum brake adjusters
- Replaceable brake hardware
- Standardized caliper mounting
- Safety
-
- Redundant hydraulic circuits
- ABS compatibility
- Emergency brake assist
- Parking brake integrated with rear drums
Safety Features
- System Redundancy
-
- Dual-circuit hydraulic system
- Independent front and rear circuits
- Emergency Features
-
- Parking brake with mechanical linkage
- ABS for wheel lock prevention
- Driver Assistance
-
- Brake pedal force sensor
- Proportioning valve for balanced braking
Comfort Features
- Pedal Feel
-
- Optimized pedal travel
- Progressive brake response
- Noise Reduction
-
- Anti-squeal shims on pads
- Drum brake noise dampening
- Maintenance Ease
-
- Tool-free drum adjusters
- Quick-change pad design
- Environmental
-
- Low-dust brake pads
- Corrosion-resistant components
Accessories
- Upgrades
-
- Performance brake pads
- Slotted rotors
- Stainless steel brake lines
- Tools
-
- Brake caliper tool kit
- Drum brake spring tool
- Brake bleeding kit
- Maintenance Kits
-
- Brake pad replacement kit
- Drum brake hardware kit
- Brake fluid flush kit
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect brake pad thickness
- Check rotor and drum wear
- Inspect brake fluid level
- Test parking brake function
- Lubricate caliper slides
- Adjust rear drum brakes
- Maintenance Notes
- Replace brake fluid every 2 years or 24,000 miles
Warranty
- Brake Pads
- Miles: 24,000Years: 2Coverage: Material defects
- Rotors
- Miles: 36,000Years: 3Coverage: Warpage or cracking
- Drums
- Miles: 50,000Years: 4Coverage: Structural integrity
- Hydraulic Components
- Miles: 60,000Years: 5Coverage: Leaks or failure
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision casting for rotors
- CNC machining for critical surfaces
- Heat treatment for durability
- Automated assembly of calipers
- Quality Control
- Dimensional Checks: 100% inspectionMaterial Testing: Batch samplingPerformance Testing: Dyno testing
- Sustainability
-
- Recyclable materials
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: <0.1%Lead Time: 2 weeks
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pad thickness
- Check rotor and drum wear
- Inspect brake fluid level
- Test parking brake function
- Lubricate caliper slides
Ensure proper brake fluid level and quality
- Replace brake fluid
- Inspect brake lines for damage
- Check master cylinder function
- Test ABS system operation
- Adjust rear drum brakes
Use only DOT 3 or DOT 4 brake fluid
- Replace brake pads
- Resurface or replace rotors
- Inspect and replace drum brake hardware
- Check wheel cylinder operation
- Perform full system bleed
Replace rotors if below minimum thickness
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are brake pads and rotors compatible across all 1992-2000 Subaru Impreza models?
Are brake pads and rotors compatible across all 1992-2000 Subaru Impreza models?
Brake pads and rotors for the 1992-2000 Subaru Impreza are generally compatible across all trims, including sedan, wagon, and coupe models. However, there are slight variations depending on the drivetrain (AWD vs. FWD) and engine size. For example, AWD models may require thicker rotors. Always verify part numbers with your vehicle's VIN or consult a Subaru dealer to ensure compatibility.
Q2 What is the recommended maintenance schedule for brakes on a 1992-2000 Subaru Impreza?
What is the recommended maintenance schedule for brakes on a 1992-2000 Subaru Impreza?
Subaru recommends inspecting brake pads and rotors every 12,000 miles or annually, whichever comes first. Replace brake pads when they are worn down to 3mm or less. Rotors should be checked for warping or scoring and replaced if they fall below the minimum thickness specification. Brake fluid should be flushed every 30,000 miles or 2 years to maintain optimal performance.
Q3 How do I replace the brake pads on a 1992-2000 Subaru Impreza?
How do I replace the brake pads on a 1992-2000 Subaru Impreza?
To replace brake pads, first, lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old pads and inspect the rotors. If necessary, resurface or replace the rotors. Install the new pads, reassemble the caliper, and tighten all bolts to the manufacturer's torque specifications. Finally, pump the brake pedal to restore pressure before driving.
Q4 What should I do if my brakes are squeaking or vibrating?
What should I do if my brakes are squeaking or vibrating?
Squeaking brakes may indicate worn pads or a lack of lubrication on the pad backing plates. Vibrations during braking often suggest warped rotors. Inspect the pads and rotors for wear or damage. If the rotors are warped, they should be resurfaced or replaced. Ensure all components are properly lubricated and torqued to specifications to resolve these issues.
Q5 How can I improve the braking performance of my 1992-2000 Subaru Impreza?
How can I improve the braking performance of my 1992-2000 Subaru Impreza?
Upgrading to high-performance brake pads and slotted or drilled rotors can enhance braking performance. Ensure your brake fluid is fresh and meets DOT 4 specifications. Regularly inspect and maintain the brake system, including calipers and lines, to prevent leaks or failures. Properly bedding in new pads and rotors is also crucial for optimal performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-2000 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering brake system maintenance, repair, and troubleshooting for all 1992-2000 Subaru Impreza models.
Subaru Technical Service Bulletin: Brake System Updates
Coming SoonDetails updates and fixes for common brake system issues in 1992-2000 Subaru Impreza models, including rotor and pad specifications.
Subaru Impreza Brake Parts Catalog
Coming SoonCatalog listing all OEM and aftermarket brake components for 1992-2000 Subaru Impreza models, including part numbers and compatibility details.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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