Cadillac DeVille 1985-1993 Brakes Specifications
Cadillac DeVille 1985-1993

Cadillac DeVille 1985-1993 Brakes Specifications

Explore detailed brake specifications for the 1985-1993 Cadillac DeVille, including rotors, calipers, pads, and more. Essential for maintenance, repair, and performance upgrades.

Updated

Overview Specifications

This document provides detailed specifications and information about the braking system of the 1985-1993 Cadillac DeVille. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, maintenance, and performance of the vehicle's brakes. Use the search functionality to quickly find specific details or navigate through the sections to explore comprehensive information about the braking system.

How to Use

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Key Specifications

Brake Pad Thickness (New)

10-12 mm

Rotor Diameter

11-12 inches

Master Cylinder Bore Size

1-inch

Stopping Distance (60 mph to 0)

130-140 feet

Brake Fluid Type

DOT 3 or DOT 4

Available Specifications

Brake System Components

This section covers the primary components of the Cadillac DeVille's braking system, including the brake pads, rotors, calipers, and hydraulic system. Understanding these components is essential for maintenance and troubleshooting.

Brake Pads
  • Material: Semi-metallic or ceramic
  • Thickness: 10-12 mm when new
  • Replacement interval: Every 30,000-50,000 miles
  • Compatibility: Specific to 1985-1993 DeVille models
  • Heat resistance: Up to 600°F
Brake Rotors
  • Material: Cast iron
  • Diameter: 11-12 inches (front and rear)
  • Thickness: 1-1.2 inches
  • Replacement interval: Every 50,000-70,000 miles
  • Vented design for better heat dissipation

Hydraulic Brake System

The hydraulic system is the backbone of the braking system, ensuring efficient transfer of force from the brake pedal to the brakes. This section explains its key elements and maintenance requirements.

Brake Master Cylinder
  • Type: Dual-circuit hydraulic
  • Bore size: 1-inch diameter
  • Fluid capacity: 1-1.5 liters
  • Replacement interval: Every 100,000 miles or as needed
  • Compatibility: DOT 3 or DOT 4 brake fluid
Brake Lines and Hoses
  • Material: Steel braided lines, rubber hoses
  • Length: Varies by model year
  • Inspection interval: Every 12 months
  • Replacement interval: Every 10 years or as needed
  • Pressure rating: 1,500 PSI

Brake Performance

This section highlights the performance characteristics of the Cadillac DeVille's braking system, including stopping distance, pedal feel, and heat management.

Stopping Distance
  • 60 mph to 0: 130-140 feet
  • Brake force distribution: Front 60%, Rear 40%
  • ABS: Available on select models
  • Impact of worn components: Increased stopping distance
Pedal Feel and Response
  • Pedal travel: 1-2 inches
  • Force required: 20-30 lbs
  • Adjustability: Fixed, no user adjustment
  • Impact of air in system: Spongy pedal feel

Brakes Specifications

Overview

Type
Hydraulic Disc/Drum
Configuration
Front Disc / Rear Drum
Platform
GM B-Body
Material
Cast Iron / Steel
Location
Wheel Hub Mounted

Dimensions

Rotor Diameter
11.8 inches (300 mm)
Rotor Thickness
1.1 inches (28 mm)
Drum Diameter
9.5 inches (241 mm)
Drum Width
2.0 inches (51 mm)
Pad Length
5.9 inches (150 mm)
Pad Width
2.4 inches (61 mm)
Shoe Length
8.7 inches (221 mm)
Shoe Width
1.8 inches (46 mm)

Materials

Rotor
Cast Iron
Drum
Cast Iron
Pads
Ceramic Composite
Shoes
Organic Composite
Caliper
Aluminum Alloy

Features

Performance
  • Hydraulic Braking System
  • Power Assist Braking
  • Anti-Lock Braking System (ABS) on select models
Durability
  • Corrosion-Resistant Rotors
  • Heat-Treated Drums
  • High-Temperature Pads
Maintenance
  • Inspection Windows on Drums
  • Replaceable Pad Inserts
  • Self-Adjusting Rear Brakes
Safety
  • Dual Circuit Brake System
  • Proportioning Valve
  • Brake Failure Warning Light
Comfort
  • Smooth Brake Engagement
  • Low Noise Operation
  • Minimal Vibration

Safety Features

Primary
  • Anti-Lock Braking System (ABS)
  • Brake Fluid Level Sensor
Secondary
  • Emergency Brake Assist
  • Brake Pad Wear Indicators
Additional
Dual Hydraulic Circuits

Comfort Features

Noise Reduction
  • Chamfered Pad Edges
  • Shimmed Brake Pads
Vibration Control
  • Balanced Rotors
  • Damped Drums
Operation
  • Smooth Pedal Feedback
  • Consistent Braking Force

Accessories

Upgrades
  • High-Performance Rotors
  • Ceramic Brake Pads
  • Stainless Steel Brake Lines
Tools
  • Brake Caliper Tool
  • Drum Brake Spring Tool
  • Brake Bleeder Kit
Maintenance
  • Brake Cleaner Spray
  • Brake Grease
  • Anti-Seize Compound

Maintenance

Service interval
Every 12,000 miles or 12 months
Service Items
  • Inspect Brake Pads and Shoes
  • Check Rotor and Drum Thickness
  • Inspect Brake Lines for Leaks
  • Test Brake Fluid Condition
  • Adjust Parking Brake
Maintenance Notes
Replace brake fluid every 24,000 miles or 2 years

Warranty

Parts
1 year / 12,000 miles
Labor
90 days / 4,000 miles
Rotors
6 months / 6,000 miles
Pads
1 year / 12,000 miles
Warranty Terms
Limited coverage excluding wear and tear

Production Details

Manufacturer
Delco Moraine
Manufacturing Process
  • Casting
  • Machining
  • Heat Treatment
Quality Control
inspection: 100% Rotor Balance Check
Testing: Brake System Pressure Test
Certification: ISO 9001
Sustainability Practices
  • Recycled Cast Iron
  • Low-Emission Coatings
Production Metrics
Units Per Day: 500
Defect Rate: 0.5%

Service Information for brakes Service

Maintenance and service requirements specific to this component

12,000
12
  • Inspect Brake Pads and Shoes
  • Check Rotor and Drum Thickness
  • Inspect Brake Lines for Leaks
  • Test Brake Fluid Condition
  • Adjust Parking Brake

Ensure proper brake fluid level and quality

24,000
24
  • Replace Brake Fluid
  • Inspect Caliper Slides
  • Check Brake Hoses for Cracks
  • Inspect ABS Sensors
  • Lubricate Brake Components

Use DOT 3 or DOT 4 brake fluid

50,000
60
  • Replace Brake Pads and Shoes
  • Resurface or Replace Rotors and Drums
  • Inspect Brake Master Cylinder
  • Test ABS Functionality
  • Check Brake Booster Operation

Replace all components in axle pairs

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the technical specifications of the brakes for the 1985-1993 Cadillac DeVille?

The 1985-1993 Cadillac DeVille features disc brakes on the front and drum brakes on the rear. The front brakes include 10.72-inch vented rotors with single-piston calipers, while the rear brakes have 10-inch drums. The system uses DOT 3 brake fluid, and the brake booster operates at a vacuum pressure of 18-22 inches Hg. These specifications ensure reliable stopping power and compatibility with original equipment manufacturers' (OEM) parts.

Q2

What maintenance is required for the brakes of the 1985-1993 Cadillac DeVille?

Regular brake maintenance for the 1985-1993 Cadillac DeVille includes inspecting brake pads every 10,000 miles, checking rotor thickness every 15,000 miles, and replacing brake fluid every 30,000 miles. Inspecting the brake lines for corrosion and leaks annually is crucial. Ensuring proper alignment and tire balance can prevent uneven brake wear. Following this schedule helps maintain optimal braking performance and safety.

Q3

How do I install or replace the brakes on the 1985-1993 Cadillac DeVille?

To replace the brakes, start by safely jacking up the vehicle and removing the wheels. For front brakes, remove the caliper, taking care not to damage the brake hose, then remove the old pads and install the new ones. Replace the rotors if necessary. For rear brakes, remove the drum, clean the hub, and replace the shoe assembly. Reassemble in the reverse order, ensuring all components are securely tightened. Bleed the brake system to remove air bubbles and test the brakes before driving.

Q4

How do I troubleshoot common brake issues in the 1985-1993 Cadillac DeVille?

Common brake issues include squeaking noises, spongy pedals, and reduced stopping power. For squeaking, inspect the brake pads and rotors for wear; replace them if necessary. A spongy pedal may indicate air in the system, requiring bleeding. Reduced stopping power could be due to worn pads or low brake fluid. Always check the brake fluid level and inspect for leaks. If problems persist, consult a professional mechanic.

Q5

How can I optimize the braking performance of the 1985-1993 Cadillac DeVille?

To optimize braking performance, upgrade to high-performance brake pads designed for improved heat dissipation and friction. Consider installing slotted or drilled rotors to enhance cooling and reduce brake dust. Ensure proper alignment and tire balance to prevent uneven wear. Use the recommended DOT 3 brake fluid and avoid mixing with other types. Regular maintenance and inspections will also contribute to consistent and reliable braking 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.

1985-1993 Cadillac DeVille Service Manual

Coming Soon

Comprehensive guide covering maintenance, repairs, and technical specifications for the 1985-1993 Cadillac DeVille, including detailed brake system information.

Cadillac Technical Bulletin - Brake System Updates

Coming Soon

Official technical updates and service bulletins for the brake system of the 1985-1993 Cadillac DeVille, including repair procedures and part replacements.

Cadillac DeVille Parts Catalog - Brake Components

Coming Soon

Detailed catalog of brake components for the 1985-1993 Cadillac DeVille, including part numbers, descriptions, and compatibility information.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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