Cadillac STS 1998-2004 Brakes Specifications
Explore the comprehensive brake specifications for the 1998-2004 Cadillac STS. Learn about rotor dimensions, pad types, caliper configurations, and maintenance tips to ensure optimal braking performance and safety.
Overview Specifications
This document provides detailed specifications and information about the braking system of the 1998-2004 Cadillac STS. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, maintenance, and performance of the brakes. Use the search functionality to quickly locate specific details or navigate through the sections to explore comprehensive information about the braking system.
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Use the search bar to enter keywords related to the brakes, such as 'rotor size' or 'brake pad material'. The results will highlight relevant sections and subsections for quick access.
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Key Specifications
Front Rotor Diameter
12.8 inches
Rear Rotor Diameter
11.9 inches
Front Caliper Type
Dual-piston
Rear Caliper Type
Single-piston
Brake Pad Replacement Interval
30,000 miles
Available Specifications
Front Brakes
This section covers the specifications and details of the front braking system, including rotor size, caliper type, and brake pad material. It also provides information on maintenance intervals and common issues.
Front Brakes
This section covers the specifications and details of the front braking system, including rotor size, caliper type, and brake pad material. It also provides information on maintenance intervals and common issues.
Rotor Specifications
- Diameter: 12.8 inches
- Thickness: 1.1 inches
- Material: Cast Iron
- Ventilation: Vented for heat dissipation
Caliper Specifications
- Type: Dual-piston caliper
- Material: Aluminum
- Mounting: Fixed
- Piston Diameter: 2.0 inches
Brake Pad Specifications
- Material: Semi-metallic
- Thickness: 0.5 inches
- Wear Indicator: Yes
- Replacement Interval: Every 30,000 miles
Rear Brakes
This section provides detailed information about the rear braking system, including rotor size, caliper type, and brake pad material. It also includes maintenance tips and performance characteristics.
Rear Brakes
This section provides detailed information about the rear braking system, including rotor size, caliper type, and brake pad material. It also includes maintenance tips and performance characteristics.
Rotor Specifications
- Diameter: 11.9 inches
- Thickness: 0.9 inches
- Material: Cast Iron
- Ventilation: Solid design
Caliper Specifications
- Type: Single-piston caliper
- Material: Aluminum
- Mounting: Floating
- Piston Diameter: 1.5 inches
Brake Pad Specifications
- Material: Organic
- Thickness: 0.4 inches
- Wear Indicator: Yes
- Replacement Interval: Every 30,000 miles
Brake System Features
Explore the advanced features of the Cadillac STS braking system, including anti-lock braking (ABS), electronic brake-force distribution (EBD), and traction control. This section explains how these features enhance safety and performance.
Brake System Features
Explore the advanced features of the Cadillac STS braking system, including anti-lock braking (ABS), electronic brake-force distribution (EBD), and traction control. This section explains how these features enhance safety and performance.
Anti-Lock Braking System (ABS)
- Type: Four-channel ABS
- Function: Prevents wheel lock-up during hard braking
- Sensors: Wheel speed sensors
- Control Module: Integrated with vehicle's ECU
Electronic Brake-Force Distribution (EBD)
- Function: Adjusts braking force between front and rear wheels
- Benefit: Improves stability and control
- Operation: Automatic based on load and speed
- Integration: Works with ABS
Traction Control System
- Function: Reduces wheel spin during acceleration
- Integration: Linked with ABS and EBD
- Operation: Applies brakes to slipping wheels
- Benefit: Enhances grip on slippery surfaces
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Brakes Specifications
Overview
- Type
- Hydraulic Disc Brakes
- Configuration
- Front and Rear
- Platform
- GM K Platform
- Material
- Cast Iron with Composite Pads
- Location
- Wheel Hub Assembly
Dimensions
- Front Rotor Diameter
- 11.8 inches / 300 mm
- Rear Rotor Diameter
- 11.5 inches / 292 mm
- Front Rotor Thickness
- 1.1 inches / 28 mm
- Rear Rotor Thickness
- 0.9 inches / 23 mm
- Front Pad Length
- 6.3 inches / 160 mm
- Rear Pad Length
- 5.9 inches / 150 mm
- Caliper Piston Diameter
- 2.5 inches / 63.5 mm
Materials
- Rotors
- Cast Iron with High Carbon Content
- Brake Pads
- Ceramic Composite
- Calipers
- Aluminum Alloy
- Brake Lines
- Steel Braided with Rubber Coating
Features
- Braking System
-
- Anti-lock Braking System (ABS)
- Electronic Brake Force Distribution (EBD)
- Traction Control System (TCS)
- Caliper Design
-
- Floating Caliper Design
- Dual Piston Front Calipers
- Single Piston Rear Calipers
- Rotor Technology
-
- Vented Rotors for Heat Dissipation
- Slotted Design for Debris Removal
- High Thermal Capacity
- Brake Fluid
-
- DOT 4 Hydraulic Fluid
- High Boiling Point
- Corrosion Inhibitors
- Pedal Feel
-
- Linear Brake Response
- Minimal Pedal Travel
- Enhanced Driver Feedback
Safety Features
- ABS Functionality
-
- Prevents Wheel Lockup
- Maintains Steering Control
- Emergency Braking
-
- Automatic Brake Assist
- Shortened Stopping Distance
- System Monitoring
-
- Brake Wear Sensors
- Fluid Level Monitoring
Comfort Features
- Noise Reduction
-
- Low Noise Brake Pads
- Vibration Dampening
- Heat Management
-
- Vented Rotors
- Heat Shields
- Pedal Ergonomics
-
- Adjustable Pedal Height
- Smooth Engagement
- Maintenance Ease
-
- Easy Pad Replacement
- Tool-Free Caliper Access
Accessories
- Upgrade Options
-
- Performance Rotors
- High-Temperature Pads
- Stainless Steel Brake Lines
- Maintenance Tools
-
- Brake Pad Spreader
- Caliper Piston Tool
- Torque Wrench
- Protective Gear
-
- Brake Dust Shields
- Rotor Coatings
- Caliper Covers
Maintenance
- Service interval
-
- Inspect Brake Pads Every 10,000 Miles
- Check Rotor Thickness Annually
- Replace Brake Fluid Every 30,000 Miles
- Lubricate Caliper Slides Every 15,000 Miles
- Inspect Brake Lines for Wear Every 20,000 Miles
- Maintenance Notes
- Use only manufacturer-recommended brake fluid and pads to ensure optimal performance and longevity.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Rotor Warranty
- Miles: 12,000Years: 1Coverage: Replacement for Warping
- Pad Warranty
- Miles: 18,000Years: 2Coverage: Replacement for Premature Wear
- Caliper Warranty
- Miles: 24,000Years: 2Coverage: Replacement for Leaks or Failure
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting for Rotors
- Machining for Precision Fit
- Heat Treatment for Durability
- Quality Control
- inspection: 100% Rotor and Caliper InspectionTesting: Brake System Pressure TestingCertification: ISO 9001 Compliant
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Low Emission Processes
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: Less than 0.1%Lead Time: 4 Weeks
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect Brake Pads for Wear
- Check Rotor Surface for Damage
- Measure Rotor Thickness
- Inspect Brake Lines for Leaks
- Check Brake Fluid Level
Ensure proper lubrication of caliper slides.
- Replace Brake Fluid
- Inspect Caliper Functionality
- Check ABS System Operation
- Measure Pad Thickness
- Inspect Brake Hardware
Use only DOT 4 brake fluid for replacement.
- Replace Brake Pads
- Resurface or Replace Rotors
- Inspect and Replace Brake Lines if Necessary
- Test Brake System Pressure
- Check Pedal Travel and Response
Consider upgrading to high-performance components if needed.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications for the brakes on a 1998-2004 Cadillac STS?
What are the technical specifications for the brakes on a 1998-2004 Cadillac STS?
The 1998-2004 Cadillac STS features a brake system with 12-inch ventilated front rotors and 11.7-inch ventilated rear rotors. The front brakes use dual-piston calipers, while the rear brakes utilize single-piston calipers. The system is compatible with brake pads designed for GM D-platform vehicles. The brake system is designed to work with DOT 3 brake fluid, and the recommended rotor thickness is 1.18 inches for front and 0.87 inches for rear. Ensure compatibility with OEM or aftermarket parts designed for the Cadillac STS.
Q2 What maintenance is required for the brakes on a 1998-2004 Cadillac STS?
What maintenance is required for the brakes on a 1998-2004 Cadillac STS?
Regular maintenance for the brakes includes inspecting brake pads every 15,000 miles, rotors every 30,000 miles, and brake fluid every 30,000 miles. Replace brake pads when worn below 1/8 inch, and resurface or replace rotors if warped or worn below minimum thickness. Inspect brake lines every 60,000 miles and replace as needed. Always use DOT 3 brake fluid and follow GM-recommended torque specifications for rotor installation.
Q3 How do I install or replace brakes on a 1998-2004 Cadillac STS?
How do I install or replace brakes on a 1998-2004 Cadillac STS?
To replace brakes, raise the vehicle on a lift or jack stands, remove the wheels, and inspect the brake components. Remove the caliper bolts, slide off the caliper, and secure it with wire. Remove the old rotor and install the new one, ensuring proper alignment. Reattach the caliper, tighten bolts to 40-50 ft-lbs, and repeat for all wheels. Bleed the brake system to remove air bubbles and test the brakes before driving. Always follow proper safety procedures and consult a professional if unsure.
Q4 How do I troubleshoot common brake issues on a 1998-2004 Cadillac STS?
How do I troubleshoot common brake issues on a 1998-2004 Cadillac STS?
Common issues include spongy brake pedals, grinding noises, or vibration during braking. Check for air in the brake lines, worn pads, or warped rotors. Inspect for brake fluid leaks or contaminated fluid. For grinding noises, replace worn pads or rotors. For vibration, check rotor alignment or balance. Always test drive the vehicle after repairs to ensure proper function. Consult a professional mechanic if issues persist.
Q5 How can I optimize brake performance on a 1998-2004 Cadillac STS?
How can I optimize brake performance on a 1998-2004 Cadillac STS?
Optimize brake performance by upgrading to high-friction brake pads, such as ceramic or carbon-fiber composite pads. Ensure rotors are properly bedded after installation by gradually increasing brake pressure during test drives. Use high-performance brake fluid with a higher boiling point. Maintain proper tire pressure and alignment to reduce uneven brake wear. Regularly clean and lubricate brake components to prevent corrosion and ensure smooth operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Cadillac STS Brake Service Manual
Coming SoonA comprehensive guide covering brake system inspection, maintenance, and replacement procedures for the 1998-2004 Cadillac STS.
GM Technical Service Bulletin - Brake Noise
Coming SoonOfficial technical bulletin addressing common brake noise issues, diagnostic steps, and repair solutions for Cadillac STS models.
Cadillac STS Brake Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket brake components, including rotors, pads, and calipers, for the 1998-2004 Cadillac STS.
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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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