Subaru Subaru Outback 1994-1999 Brakes Specifications
Subaru Subaru Outback 1994-1999

Subaru Subaru Outback 1994-1999 Brakes Specifications

Explore the detailed brake specifications for the 1994-1999 Subaru Outback, including rotor dimensions, pad types, caliper configurations, and hydraulic system details. Ideal for maintenance, repair, and performance upgrades.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the braking system of the 1994-1999 Subaru Outback. It is designed to assist mechanics, enthusiasts, and owners in understanding the brake components, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the braking system.

How to Use

Use the search bar to enter keywords related to the brake system, such as 'rotor size' or 'brake pad type'. The search results will highlight relevant sections and subsections for quick access.

Navigate through the document using the table of contents or by scrolling through the sections. Each section is clearly labeled and contains detailed subsections for easy reference.

Key Specifications

Front Rotor Diameter

277 mm

Rear Drum Diameter

200 mm

Brake Fluid Type

DOT 3/DOT 4

Front Caliper Piston Diameter

54 mm

Brake Pad Thickness (New)

12 mm

Available Specifications

Front Brakes

This section covers the specifications and details of the front braking system, including rotor dimensions, caliper types, and brake pad materials. It also provides maintenance tips and performance insights.

Rotor Specifications
  • Diameter: 277 mm (10.9 inches)
  • Thickness: 24 mm (0.94 inches)
  • Material: Cast iron
  • Ventilation: Vented for improved heat dissipation
  • Minimum thickness after machining: 22 mm (0.87 inches)
Caliper Details
  • Type: Single-piston floating caliper
  • Material: Aluminum alloy
  • Piston diameter: 54 mm (2.13 inches)
  • Brake pad attachment: Clip-on design
Brake Pads
  • Material: Semi-metallic or ceramic options
  • Thickness (new): 12 mm (0.47 inches)
  • Minimum thickness: 2 mm (0.08 inches)
  • Wear sensor: Not included

Rear Brakes

This section provides information on the rear braking system, including drum and disc brake configurations, rotor or drum dimensions, and brake shoe or pad details.

Drum Brake Specifications
  • Diameter: 200 mm (7.87 inches)
  • Width: 40 mm (1.57 inches)
  • Material: Cast iron
  • Shoe lining thickness (new): 5 mm (0.2 inches)
  • Minimum lining thickness: 1 mm (0.04 inches)
Disc Brake Specifications
  • Diameter: 266 mm (10.47 inches)
  • Thickness: 10 mm (0.39 inches)
  • Material: Cast iron
  • Caliper type: Single-piston floating

Brake Fluid and Hydraulics

This section details the brake fluid requirements, hydraulic system components, and maintenance intervals for optimal braking performance.

Brake Fluid
  • Type: DOT 3 or DOT 4
  • Capacity: Approximately 1 liter (0.26 gallons)
  • Recommended change interval: Every 30,000 miles or 2 years
  • Boiling point (DOT 4): 230°C (446°F) dry, 155°C (311°F) wet
Hydraulic System
  • Master cylinder bore: 15.87 mm (0.625 inches)
  • Brake line material: Steel with rubber hoses
  • ABS system: Optional, depending on trim level

Brakes Specifications

Overview

Type
Hydraulic disc (front), drum (rear)
Configuration
Dual-circuit, diagonally split
Platform
Subaru Legacy platform
Material
Cast iron rotors, semi-metallic pads
Location
Front and rear axles

Dimensions

Front Rotor Diameter
10.9 inches (277 mm)
Front Rotor Thickness
0.98 inches (25 mm)
Rear Drum Diameter
9.0 inches (229 mm)
Rear Drum Width
1.5 inches (38 mm)
Brake Pad Thickness
0.47 inches (12 mm)
Brake Line Diameter
0.25 inches (6.35 mm)
Master Cylinder Bore
0.87 inches (22 mm)

Materials

Rotors
Cast iron with anti-corrosion coating
Brake Pads
Semi-metallic friction material
Brake Lines
Steel braided with rubber coating
Brake Fluid
DOT 3 or DOT 4
Calipers
Aluminum alloy

Features

Braking System
  • Anti-lock Braking System (ABS)
  • Electronic Brake-force Distribution (EBD)
  • Dual-piston front calipers
  • Self-adjusting rear drum brakes
Performance
  • High thermal capacity rotors
  • Fade-resistant brake pads
  • Optimized pedal feel
  • Quick-response ABS
Durability
  • Corrosion-resistant rotors
  • Reinforced brake lines
  • Long-lasting pad material
  • Sealed wheel bearings
Safety
  • Dual-circuit hydraulic system
  • Brake fluid level sensor
  • Parking brake with automatic adjustment
  • ABS warning light
Maintenance
  • Wear indicators on brake pads
  • Easy-access caliper bolts
  • Replaceable drum brake shoes
  • Inspectable rotor surfaces

Safety Features

Primary Safety
  • ABS prevents wheel lock-up
  • EBD optimizes brake force distribution
  • Dual-circuit system ensures redundancy
Secondary Safety
  • Parking brake with mechanical lock
  • Brake fluid level warning system
  • ABS diagnostic port
Emergency Features
  • High-temperature resistant pads
  • Vented front rotors for heat dissipation
  • Reinforced brake lines for high pressure

Comfort Features

Noise Reduction
  • Anti-squeal shims on brake pads
  • Chamfered pad edges
  • Vibration-damping rotors
Pedal Feel
  • Optimized hydraulic pressure
  • Smooth brake engagement
  • Consistent pedal travel
Maintenance Ease
  • Tool-free pad inspection
  • Quick-change rotor design
  • Self-adjusting rear brakes
Environmental
  • Low-dust brake pads
  • Recyclable rotor materials
  • Eco-friendly brake fluid

Accessories

Upgrades
  • Performance brake pads
  • Slotted rotors
  • Stainless steel brake lines
Tools
  • Brake caliper tool kit
  • Rotor removal tool
  • Brake fluid tester
Maintenance Kits
  • Complete brake pad set
  • Drum brake service kit
  • Brake fluid flush kit

Maintenance

Service interval
Every 12,000 miles or 12 months
Service Items
  • Inspect brake pad thickness
  • Check rotor wear and surface condition
  • Test brake fluid moisture content
  • Lubricate caliper slide pins
  • Adjust parking brake tension
Maintenance Notes
Replace brake fluid every 2 years or 30,000 miles

Warranty

Brake Pads
Miles: 24,000
Years: 2
Coverage: Material defects and premature wear
Rotors
Miles: 36,000
Years: 3
Coverage: Warping and cracking
Calipers
Miles: 60,000
Years: 5
Coverage: Seal failure and piston issues
Master Cylinder
Miles: 60,000
Years: 5
Coverage: Leaks and internal failure

Production Details

Manufacturer
Subaru Corporation
Manufacturing Process
  • Precision casting for rotors
  • CNC machining for calipers
  • Automated assembly for brake lines
Quality Control
Rotor inspection: Ultrasonic testing for cracks
Pad Testing: Friction coefficient verification
Caliper Testing: Pressure and leak testing
Sustainability Practices
  • Recycled materials in brake pads
  • Water-based coatings for rotors
  • Energy-efficient manufacturing
Production Metrics
Annual Output: 500,000 brake systems
Defect Rate: Less than 0.1%
Recycling Rate: 95% of materials

Service Information for brakes Service

Maintenance and service requirements specific to this component

12,000
12
  • Inspect brake pad thickness
  • Check rotor surface condition
  • Test brake fluid moisture content
  • Lubricate caliper slide pins
  • Adjust parking brake tension

Ensure proper torque on all bolts and fittings

24,000
24
  • Replace brake pads if necessary
  • Resurface or replace rotors
  • Flush and replace brake fluid
  • Inspect brake lines for leaks
  • Check ABS sensor functionality

Use only Subaru-approved brake fluid

60,000
60
  • Replace brake pads and rotors
  • Inspect and replace calipers if needed
  • Replace brake lines if corroded
  • Test ABS system performance
  • Replace parking brake components

Perform full system bleed after major service

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Are brake pads and rotors for the 1994-1999 Subaru Outback compatible with other Subaru models?

Brake pads and rotors for the 1994-1999 Subaru Outback are specifically designed for this model and may not be compatible with other Subaru models without modification. The Outback uses a unique brake system configuration, including rotor size and pad shape, tailored to its weight and performance requirements. Always verify part numbers and specifications before purchasing or installing brakes for compatibility.

Q2

What is the recommended maintenance schedule for the brakes on a 1994-1999 Subaru Outback?

The brakes on a 1994-1999 Subaru Outback should be inspected every 12,000 miles or annually, whichever comes first. Brake pads typically need replacement every 30,000-50,000 miles, depending on driving conditions. Rotors should be checked for wear and resurfaced or replaced as needed. Brake fluid should be flushed every 30,000 miles to maintain optimal performance and safety.

Q3

How do I replace the brake pads on a 1994-1999 Subaru Outback?

To replace brake pads on a 1994-1999 Subaru Outback, first, safely lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old brake pads and inspect the rotors. Install the new pads, ensuring they are properly seated. Reattach the caliper, tighten the bolts, and reinstall the wheels. Test the brakes before driving.

Q4

What should I do if my brakes are squeaking or grinding on my 1994-1999 Subaru Outback?

Squeaking or grinding brakes on a 1994-1999 Subaru Outback often indicate worn brake pads or damaged rotors. Inspect the pads for thickness and the rotors for grooves or warping. If the pads are thin or the rotors are damaged, replace them immediately. Clean the brake components and apply anti-squeal compound to the back of the pads to reduce noise.

Q5

How can I optimize the braking performance of my 1994-1999 Subaru Outback?

To optimize braking performance, use high-quality brake pads and rotors designed for the 1994-1999 Subaru Outback. Ensure proper bedding of new pads by following the manufacturer's instructions. Regularly inspect and maintain the brake system, including fluid levels and caliper function. Avoid aggressive driving and heavy loads to reduce wear and improve longevity.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

1994-1999 Subaru Outback Service Manual

Coming Soon

Comprehensive guide covering brake system maintenance, repair, and troubleshooting for the 1994-1999 Subaru Outback.

Subaru Technical Service Bulletin: Brake System Updates

Coming Soon

Details updates and improvements to the brake system for the 1994-1999 Subaru Outback, including part numbers and installation instructions.

Subaru Outback Brake Parts Catalog

Coming Soon

Catalog listing all brake components, including pads, rotors, and calipers, for the 1994-1999 Subaru Outback.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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