Volvo Volvo S90 1997-1998 Brakes Specifications
Explore the detailed brake specifications for the 1997-1998 Volvo S90, including rotors, pads, calipers, and more. Learn about maintenance, upgrades, and compatibility for optimal braking performance.
Overview Specifications
This document provides detailed specifications and technical information about the braking system of the 1997-1998 Volvo S90. It is designed to assist mechanics, enthusiasts, and owners in understanding the brake components, maintenance requirements, and performance characteristics. Use this guide to locate specific brake-related details, troubleshoot issues, or plan upgrades. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
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Use the search function to quickly locate specific terms or components related to the brakes. Enter keywords such as 'rotor diameter' or 'brake pad type' to find relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each section is labeled with a title and description to help you find the information you need.
Key Specifications
Front Rotor Diameter
280 mm
Rear Drum Diameter
270 mm
Brake Fluid Type
DOT 4
Master Cylinder Bore
22.2 mm
Brake Pad Thickness (New)
12 mm
Available Specifications
Front Brake System
This section covers the front brake system of the 1997-1998 Volvo S90, including the brake calipers, rotors, and pads. Learn about the design, materials, and performance specifications to ensure proper maintenance and optimal braking performance.
Front Brake System
This section covers the front brake system of the 1997-1998 Volvo S90, including the brake calipers, rotors, and pads. Learn about the design, materials, and performance specifications to ensure proper maintenance and optimal braking performance.
Brake Calipers
- Type: Single-piston floating calipers
- Material: Cast iron with corrosion-resistant coating
- Piston Diameter: 57 mm
- Mounting: Bolted to steering knuckle
- Compatibility: Designed for 15-inch or larger wheels
Brake Rotors
- Type: Ventilated discs
- Diameter: 280 mm
- Thickness: 25 mm (new), 23 mm (minimum)
- Material: High-carbon cast iron
- Surface Treatment: Anti-corrosion coating
Brake Pads
- Type: Semi-metallic or ceramic options
- Thickness: 12 mm (new), 3 mm (minimum)
- Friction Material: High-performance compound
- Wear Sensor: Integrated wear indicator
- Compatibility: OE and aftermarket options available
Rear Brake System
This section details the rear brake system, including the drum or disc brake components, depending on the model configuration. Understand the specifications and maintenance requirements for the rear brakes to ensure balanced braking performance.
Rear Brake System
This section details the rear brake system, including the drum or disc brake components, depending on the model configuration. Understand the specifications and maintenance requirements for the rear brakes to ensure balanced braking performance.
Brake Drums (Base Model)
- Type: Leading-trailing drum brakes
- Diameter: 270 mm
- Width: 40 mm
- Material: Cast iron with wear-resistant lining
- Adjustment: Manual or automatic adjusters
Brake Discs (Optional)
- Type: Solid discs
- Diameter: 280 mm
- Thickness: 10 mm (new), 8 mm (minimum)
- Material: High-carbon cast iron
- Surface Treatment: Anti-corrosion coating
Brake Shoes/Pads
- Type: Organic or semi-metallic friction material
- Thickness: 5 mm (new), 2 mm (minimum)
- Wear Sensor: Integrated wear indicator (disc models)
- Compatibility: OE and aftermarket options available
Brake Hydraulics
This section focuses on the hydraulic components of the braking system, including the master cylinder, brake lines, and fluid specifications. Learn about the system's design and maintenance requirements to ensure reliable brake operation.
Brake Hydraulics
This section focuses on the hydraulic components of the braking system, including the master cylinder, brake lines, and fluid specifications. Learn about the system's design and maintenance requirements to ensure reliable brake operation.
Master Cylinder
- Type: Tandem master cylinder
- Bore Diameter: 22.2 mm
- Reservoir Capacity: 0.5 liters
- Material: Aluminum with corrosion-resistant coating
- Compatibility: DOT 4 brake fluid
Brake Lines
- Type: Steel braided or rubber hoses
- Length: Varies by model configuration
- Material: High-strength steel or reinforced rubber
- Routing: Protected from heat and abrasion
- Compatibility: OE and aftermarket options available
Brake Fluid
- Type: DOT 4
- Boiling Point: 230°C (dry), 155°C (wet)
- Volume: 1 liter (full system flush)
- Maintenance: Replace every 2 years or 30,000 miles
- Compatibility: DOT 3 or DOT 4 fluids
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Brakes Specifications
Overview
- Type
- Hydraulic Disc Brakes
- Configuration
- Front and Rear Disc
- Platform
- Volvo P2 Platform
- Material
- Cast Iron Rotors
- Location
- Wheel Hub Mounted
Dimensions
- Front Rotor Diameter
- 11.8 inches (300 mm)
- Rear Rotor Diameter
- 11.1 inches (282 mm)
- Front Rotor Thickness
- 1.1 inches (28 mm)
- Rear Rotor Thickness
- 0.9 inches (23 mm)
- Brake Pad Length
- 5.9 inches (150 mm)
- Brake Pad Width
- 2.4 inches (60 mm)
- Brake Pad Thickness
- 0.5 inches (12 mm)
- Brake Line Diameter
- 0.25 inches (6.35 mm)
Materials
- Rotors
- Cast Iron with Anti-Corrosion Coating
- Brake Pads
- Semi-Metallic Friction Material
- Calipers
- Aluminum Alloy
- Brake Lines
- Reinforced Rubber with Steel Braiding
Features
- Performance
-
- High-Friction Brake Pads
- Vented Rotors for Heat Dissipation
- ABS Integration
- Progressive Brake Force Distribution
- Durability
-
- Corrosion-Resistant Rotors
- Reinforced Brake Lines
- Wear Indicators on Pads
- Safety
-
- Anti-Lock Braking System (ABS)
- Electronic Brake Force Distribution (EBD)
- Brake Assist
- Maintenance
-
- Easy Pad Replacement
- Rotor Resurfacing Capability
- Self-Adjusting Calipers
- Comfort
-
- Low Noise Operation
- Smooth Brake Engagement
- Minimal Vibration
Safety Features
- Primary
-
- ABS for Skid Prevention
- EBD for Optimal Brake Force
- Secondary
-
- Brake Assist for Emergency Stops
- Wear Indicators for Maintenance Alerts
- Tertiary
- Reinforced Brake Lines for Durability
Comfort Features
- Noise Reduction
-
- Chamfered Brake Pads
- Anti-Squeal Shims
- Vibration Control
-
- Balanced Rotors
- Precision Caliper Alignment
- Pedal Feel
-
- Linear Brake Response
- Adjustable Pedal Travel
Accessories
- Upgrades
-
- Performance Brake Pads
- Slotted Rotors
- Stainless Steel Brake Lines
- Tools
-
- Brake Pad Spreader
- Rotor Resurfacing Tool
- Torque Wrench
- Maintenance Kits
-
- Brake Pad Replacement Kit
- Caliper Rebuild Kit
- Brake Fluid Flush Kit
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect Brake Pads
- Check Rotor Thickness
- Test Brake Fluid
- Inspect Brake Lines
- Lubricate Caliper Slides
- Maintenance Notes
- Replace brake fluid every 24,000 miles or 2 years.
Warranty
- Brake Pads
- Miles: 24,000Years: 2Coverage: Material and Workmanship
- Rotors
- Miles: 50,000Years: 4Coverage: Material Defects
- Calipers
- Miles: 100,000Years: 10Coverage: Manufacturing Defects
- Brake Lines
- Miles: 100,000Years: 10Coverage: Corrosion and Leaks
Production Details
- Manufacturer
- Volvo Car Corporation
- Manufacturing Process
-
- Casting for Rotors
- Extrusion for Brake Lines
- Molding for Brake Pads
- Quality Control
- Rotor inspection: Ultrasonic TestingPad inspection: Friction Coefficient TestingCaliper inspection: Pressure Testing
- Sustainability Practices
-
- Recycled Materials in Pads
- Low-Emission Manufacturing
- Recyclable Packaging
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: 0.01%Energy Efficiency: 85%
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect Brake Pads for Wear
- Check Rotor Thickness and Condition
- Test Brake Fluid for Contamination
- Inspect Brake Lines for Leaks
- Lubricate Caliper Slides
Ensure proper torque on all bolts during reassembly.
- Replace Brake Pads if Necessary
- Resurface or Replace Rotors
- Flush and Replace Brake Fluid
- Inspect Calipers for Proper Function
- Check ABS System Operation
Use only manufacturer-approved brake fluid.
- Replace Rotors if Below Minimum Thickness
- Rebuild or Replace Calipers
- Inspect and Replace Brake Lines if Needed
- Test ABS and EBD Systems
- Perform Full Brake System Bleed
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the brakes for the 1997-1998 Volvo S90 compatible with other Volvo models?
Are the brakes for the 1997-1998 Volvo S90 compatible with other Volvo models?
The brakes for the 1997-1998 Volvo S90 are specifically designed for this model and may not be compatible with other Volvo models without modifications. The front brake rotors are 280mm in diameter, and the rear rotors are 280mm as well. Always verify compatibility using the vehicle's VIN or consult a Volvo parts specialist before purchasing or installing brakes.
Q2 What is the recommended maintenance schedule for the brakes on a 1997-1998 Volvo S90?
What is the recommended maintenance schedule for the brakes on a 1997-1998 Volvo S90?
The brakes on a 1997-1998 Volvo S90 should be inspected every 12,000 miles or annually. Brake pads typically need replacement every 30,000-50,000 miles, depending on driving conditions. Rotors should be checked for wear and replaced if they fall below the minimum thickness of 22mm (front) and 10mm (rear). Brake fluid should be flushed and replaced every 2 years or 30,000 miles.
Q3 How do I replace the brake pads on a 1997-1998 Volvo S90?
How do I replace the brake pads on a 1997-1998 Volvo S90?
To replace the brake pads on a 1997-1998 Volvo S90, first, 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 and tighten the bolts to the manufacturer's specifications. Finally, reinstall the wheels and lower the vehicle.
Q4 What should I do if my brakes are squeaking or vibrating?
What should I do if my brakes are squeaking or vibrating?
Squeaking or vibrating brakes on a 1997-1998 Volvo S90 may indicate worn brake pads, uneven rotor wear, or contamination on the braking surfaces. Inspect the pads and rotors for wear or damage. Clean the braking components with brake cleaner and ensure proper lubrication of contact points. If the issue persists, consider resurfacing or replacing the rotors and pads.
Q5 How can I optimize the braking performance of my 1997-1998 Volvo S90?
How can I optimize the braking performance of my 1997-1998 Volvo S90?
To optimize braking performance, use high-quality brake pads and rotors designed for the 1997-1998 Volvo S90. Ensure proper bedding-in of new pads by following the manufacturer's instructions. Regularly inspect and maintain the braking system, including fluid levels and brake lines. Consider upgrading to performance brake components if you frequently drive in demanding conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1997-1998 Volvo S90 Service Manual
Coming SoonComprehensive guide covering brake system maintenance, repair, and troubleshooting for the 1997-1998 Volvo S90.
Volvo S90 Brake System Technical Bulletin
Coming SoonTechnical service bulletin addressing common brake system issues and updates for the 1997-1998 Volvo S90.
Volvo S90 Brake Parts Catalog
Coming SoonDetailed catalog of brake components, including pads, rotors, and calipers, for the 1997-1998 Volvo S90.
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