Dodge Ram 1500 1981-1993 Brakes Specifications
Explore the detailed brake specifications for the 1981-1993 Dodge RAM-1500, including rotor sizes, drum dimensions, caliper types, and pad materials. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and information about the braking system of the 1981-1993 Dodge RAM-1500. It is designed to assist owners, mechanics, and enthusiasts in understanding the brake components, maintenance requirements, and performance characteristics. Use the search functionality to locate specific details or navigate through the sections for a comprehensive overview of the braking system.
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Key Specifications
Front Rotor Diameter
11.75 inches (298 mm)
Rear Drum Diameter
11 inches (279 mm)
Master Cylinder Bore Size
1.00 inch (25.4 mm)
Brake Fluid Type
DOT 3 or DOT 4
Brake Pad Thickness (New)
0.50 inches (12.7 mm)
Available Specifications
Front Brakes
This section covers the specifications and details of the front braking system, including the type of brakes, rotor dimensions, and caliper information. It also provides maintenance tips and common issues to look out for.
Front Brakes
This section covers the specifications and details of the front braking system, including the type of brakes, rotor dimensions, and caliper information. It also provides maintenance tips and common issues to look out for.
Brake Type and Configuration
- Front brakes are disc brakes with single-piston calipers.
- Standard rotor diameter: 11.75 inches (298 mm).
- Rotor thickness: 1.10 inches (28 mm).
- Caliper mounting: Floating type.
- Brake pad material: Semi-metallic or ceramic options.
Maintenance and Troubleshooting
- Inspect brake pads every 12,000 miles or as needed.
- Replace rotors if thickness falls below 1.00 inch (25.4 mm).
- Check for uneven wear on brake pads and rotors.
- Bleed brake lines every 30,000 miles to remove air bubbles.
Rear Brakes
This section provides information on the rear braking system, including drum brake specifications, shoe dimensions, and adjustment procedures. It also highlights common maintenance tasks and troubleshooting tips.
Rear Brakes
This section provides information on the rear braking system, including drum brake specifications, shoe dimensions, and adjustment procedures. It also highlights common maintenance tasks and troubleshooting tips.
Brake Type and Configuration
- Rear brakes are drum brakes with leading-trailing shoe design.
- Drum diameter: 11 inches (279 mm).
- Shoe width: 2.50 inches (63.5 mm).
- Self-adjusting mechanism for consistent brake performance.
- Brake shoe material: Organic or semi-metallic.
Maintenance and Troubleshooting
- Inspect brake shoes every 15,000 miles.
- Adjust brake shoes if pedal travel increases.
- Check for fluid leaks in the wheel cylinders.
- Replace drums if scoring or wear exceeds limits.
Hydraulic System
This section details the hydraulic components of the braking system, including the master cylinder, brake lines, and fluid specifications. It also covers bleeding procedures and common hydraulic system issues.
Hydraulic System
This section details the hydraulic components of the braking system, including the master cylinder, brake lines, and fluid specifications. It also covers bleeding procedures and common hydraulic system issues.
Master Cylinder and Brake Lines
- Master cylinder bore size: 1.00 inch (25.4 mm).
- Dual-circuit design for safety.
- Brake lines: Steel with rubber hoses at the wheels.
- Fluid type: DOT 3 or DOT 4 brake fluid.
Bleeding and Maintenance
- Bleed brakes after replacing components or fluid.
- Use a pressure bleeder for efficient air removal.
- Check for leaks at connections and hoses.
- Replace brake fluid every 2-3 years.
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Brakes Specifications
Overview
- Type
- Hydraulic Disc/Drum
- Configuration
- Front Disc, Rear Drum
- Platform
- Dodge RAM-1500
- Material
- Cast Iron Rotors, Steel Drums
- Location
- Front and Rear Axles
Dimensions
- Front Rotor Diameter
- 11.75 inches (298.45 mm)
- Front Rotor Thickness
- 1.10 inches (27.94 mm)
- Rear Drum Diameter
- 11.00 inches (279.40 mm)
- Rear Drum Width
- 2.50 inches (63.50 mm)
- Brake Pad Length
- 5.50 inches (139.70 mm)
- Brake Pad Width
- 2.25 inches (57.15 mm)
- Brake Shoe Length
- 9.00 inches (228.60 mm)
- Brake Shoe Width
- 1.75 inches (44.45 mm)
Materials
- Rotors
- Cast Iron with Anti-Corrosion Coating
- Drums
- Steel with Heat-Treated Surface
- Brake Pads
- Semi-Metallic Friction Material
- Brake Shoes
- Organic Friction Material
- Brake Lines
- Steel Braided with Rubber Coating
Features
- Braking System
-
- Dual-Circuit Hydraulic System
- Proportioning Valve
- Self-Adjusting Rear Brakes
- Parking Brake Integrated with Rear Drums
- Performance
-
- High Heat Dissipation Rotors
- Fade-Resistant Brake Pads
- Smooth Brake Engagement
- Consistent Stopping Power
- Durability
-
- Corrosion-Resistant Rotors
- Reinforced Brake Lines
- Long-Lasting Brake Shoes
- Heavy-Duty Drum Design
- Safety
-
- Anti-Lock Brake System (ABS) Optional
- Brake Warning Light
- Emergency Brake Assist
- Maintenance
-
- Easy Pad Replacement
- Self-Adjusting Mechanism
- Inspection Ports on Drums
Safety Features
- Braking Control
-
- Dual-Circuit Design for Redundancy
- Proportioning Valve for Balanced Braking
- Emergency Features
-
- Parking Brake with Manual Override
- Brake Fluid Level Sensor
- Driver Assistance
-
- ABS (Optional)
- Brake Warning Light
Comfort Features
- Noise Reduction
-
- Anti-Squeal Shims on Pads
- Chamfered Brake Shoes
- Pedal Feel
-
- Smooth Hydraulic Engagement
- Adjustable Pedal Height
- Vibration Control
-
- Balanced Rotors
- Dampened Brake Lines
- Maintenance Ease
-
- Quick-Change Pads
- Self-Adjusting Drums
Accessories
- Upgrades
-
- Performance Rotors
- Ceramic Brake Pads
- Stainless Steel Brake Lines
- Tools
-
- Brake Caliper Tool
- Drum Brake Spring Tool
- Brake Bleeder Kit
- Replacement Parts
-
- Brake Pads
- Brake Shoes
- Rotors
- Drums
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 Parking Brake Function
- Flush Brake Fluid
- Maintenance Notes
- Replace brake fluid every 30,000 miles or 2 years to maintain optimal performance.
Warranty
- Brake Pads
- Miles: 24,000Years: 2Coverage: Material and Workmanship
- Rotors
- Miles: 36,000Years: 3Coverage: Material Defects
- Drums
- Miles: 36,000Years: 3Coverage: Material Defects
- Brake Lines
- Miles: 60,000Years: 5Coverage: Corrosion and Leaks
Production Details
- Manufacturer
- Dodge
- Manufacturing Process
-
- Casting for Rotors and Drums
- Heat Treatment for Durability
- Precision Machining for Smooth Surfaces
- Quality Control
- inspection: 100% Rotor and Drum Surface CheckTesting: Hydraulic Pressure TestingCertification: Meets DOT Standards
- Sustainability Practices
-
- Recycled Materials in Brake Pads
- Eco-Friendly Coating for Rotors
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: Less than 0.5%
Service Information for Brakes Service
Maintenance and service requirements specific to the braking system
- Inspect Brake Pads and Shoes
- Check Rotor and Drum Thickness
- Inspect Brake Lines for Leaks
- Test Parking Brake Function
- Top Off Brake Fluid
Ensure proper brake fluid level and inspect for wear.
- Replace Brake Pads if Necessary
- Resurface or Replace Rotors
- Inspect and Adjust Rear Drums
- Flush Brake Fluid
- Check ABS Functionality
Use manufacturer-recommended brake fluid for flushing.
- Replace Brake Shoes
- Replace Rotors and Drums if Worn
- Inspect and Replace Brake Lines
- Test Hydraulic System Pressure
- Perform Full Brake System Overhaul
Critical to replace all worn components to ensure safety.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are brake pads and rotors compatible across all 1981-1993 Dodge RAM-1500 models?
Are brake pads and rotors compatible across all 1981-1993 Dodge RAM-1500 models?
Brake pads and rotors for the 1981-1993 Dodge RAM-1500 are generally compatible across all models, but variations exist based on engine type, drivetrain, and trim level. Front and rear brake systems may differ, so it's essential to verify part numbers and specifications. For example, 4x4 models often require larger rotors. Always cross-check with the vehicle's VIN or consult a parts catalog for precise compatibility.
Q2 What is the recommended maintenance schedule for brakes on a 1981-1993 Dodge RAM-1500?
What is the recommended maintenance schedule for brakes on a 1981-1993 Dodge RAM-1500?
Brake maintenance for the 1981-1993 Dodge RAM-1500 should include inspecting pads and rotors every 12,000 miles or annually. Replace brake pads when thickness is below 3mm and rotors if they are warped or worn beyond the minimum thickness. Brake fluid should be flushed every 30,000 miles or two years. Regularly check for leaks, and ensure calipers and hardware are functioning properly.
Q3 How do I replace the brake pads on a 1981-1993 Dodge RAM-1500?
How do I replace the brake pads on a 1981-1993 Dodge RAM-1500?
To replace brake pads on a 1981-1993 Dodge RAM-1500, first lift the vehicle and remove the wheels. Unbolt the caliper and hang it safely without stretching the brake line. Remove old pads and inspect the rotor. If necessary, resurface or replace the rotor. Install new pads, reassemble the caliper, and torque bolts to manufacturer specifications. Pump the brake pedal to restore pressure before driving.
Q4 What should I do if my brakes are squeaking or grinding?
What should I do if my brakes are squeaking or grinding?
Squeaking or grinding brakes on a 1981-1993 Dodge RAM-1500 often indicates worn pads or rotors. Inspect the brake system for pad thickness and rotor condition. Clean any debris or rust buildup. If pads are worn, replace them immediately. Grinding noises may mean the rotor is damaged, requiring resurfacing or replacement. Ensure all hardware is properly lubricated and installed.
Q5 How can I optimize brake performance on my 1981-1993 Dodge RAM-1500?
How can I optimize brake performance on my 1981-1993 Dodge RAM-1500?
To optimize brake performance, use high-quality pads and rotors designed for your specific model. Upgrade to slotted or drilled rotors for better heat dissipation. Ensure proper bedding of new pads by following the manufacturer's instructions. Regularly inspect and maintain the brake system, including fluid levels and hardware. Avoid excessive braking and maintain proper tire pressure for improved stopping power.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1981-1993 Dodge RAM-1500 Service Manual
Coming SoonComprehensive service manual covering brake systems, maintenance, and repair procedures for the 1981-1993 Dodge RAM-1500.
Technical Service Bulletin: Brake System Updates
Coming SoonOfficial bulletin addressing common brake system issues and updates for the 1981-1993 Dodge RAM-1500.
Dodge RAM-1500 Brake Parts Catalog
Coming SoonDetailed catalog of brake parts and accessories for the 1981-1993 Dodge RAM-1500, including part numbers and compatibility.
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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.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
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