Infiniti M45 2003-2004 Brakes Specifications
Explore the detailed brake specifications for the 2003-2004 Infiniti M45, including rotor dimensions, pad types, caliper configurations, and fluid requirements. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and information about the braking system of the 2003-2004 Infiniti M45. It is designed to help users understand the technical aspects of the brakes, including components, performance, and maintenance. Use the search functionality to quickly locate specific details or navigate through sections to explore comprehensive information about the braking system.
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Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Front Rotor Diameter
12.6 inches (320 mm)
Rear Rotor Diameter
12.1 inches (308 mm)
Stopping Distance (60-0 mph)
120 feet (36.6 meters)
Brake Fluid Type
DOT 4
Service Interval (Brake Pads)
12,000 miles (19,312 km)
Available Specifications
Brake System Components
This section covers the primary components of the Infiniti M45's braking system, including the rotors, calipers, pads, and hydraulic system. Understanding these components is essential for maintenance and performance optimization.
Brake System Components
This section covers the primary components of the Infiniti M45's braking system, including the rotors, calipers, pads, and hydraulic system. Understanding these components is essential for maintenance and performance optimization.
Front Brake Rotors
- Diameter: 12.6 inches (320 mm)
- Thickness: 1.1 inches (28 mm)
- Ventilated design for improved heat dissipation
- Material: High-carbon cast iron
Rear Brake Rotors
- Diameter: 12.1 inches (308 mm)
- Thickness: 0.8 inches (20 mm)
- Solid design for consistent performance
- Material: High-carbon cast iron
Brake Calipers
- Front: Dual-piston aluminum calipers
- Rear: Single-piston aluminum calipers
- Lightweight construction for reduced unsprung weight
- Corrosion-resistant coating
Brake Performance
This section focuses on the performance characteristics of the Infiniti M45's braking system, including stopping distance, pedal feel, and heat management.
Brake Performance
This section focuses on the performance characteristics of the Infiniti M45's braking system, including stopping distance, pedal feel, and heat management.
Stopping Distance
- 60-0 mph: 120 feet (36.6 meters)
- 80-0 mph: 210 feet (64 meters)
- ABS-assisted braking for optimal control
- Consistent performance in wet and dry conditions
Pedal Feel
- Firm and responsive pedal feedback
- Short pedal travel for quick engagement
- Progressive braking force distribution
- Minimal brake fade under heavy use
Maintenance and Service
This section provides guidance on maintaining the braking system, including recommended service intervals, inspection points, and replacement parts.
Maintenance and Service
This section provides guidance on maintaining the braking system, including recommended service intervals, inspection points, and replacement parts.
Service Intervals
- Brake pad inspection every 12,000 miles (19,312 km)
- Rotor inspection every 24,000 miles (38,624 km)
- Brake fluid flush every 30,000 miles (48,280 km)
- Caliper lubrication during pad replacement
Replacement Parts
- OEM brake pads recommended for optimal performance
- Aftermarket rotors available for upgraded performance
- Use DOT 4 brake fluid for compatibility
- Ensure proper bedding-in of new pads and rotors
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Brakes Specifications
Overview
- Type
- Hydraulic Disc Brakes
- Configuration
- Four-wheel disc brakes
- Platform
- FM platform
- Material
- Cast iron rotors with ceramic pads
- Location
- Front and rear axles
Dimensions
- Front Rotor Diameter
- 12.6 inches (320 mm)
- Rear Rotor Diameter
- 11.7 inches (297 mm)
- Front Rotor Thickness
- 1.1 inches (28 mm)
- Rear Rotor Thickness
- 0.8 inches (20 mm)
- Front Pad Thickness
- 0.5 inches (12.7 mm)
- Rear Pad Thickness
- 0.4 inches (10.2 mm)
- Brake Line Diameter
- 0.25 inches (6.35 mm)
Materials
- Rotors
- Cast iron with anti-corrosion coating
- Brake Pads
- Ceramic composite
- Calipers
- Aluminum alloy
- Brake Lines
- Stainless steel braided
Features
- Performance
-
- High-temperature resistance
- Enhanced stopping power
- Reduced brake fade
- Durability
-
- Corrosion-resistant rotors
- Long-lasting ceramic pads
- Reinforced brake lines
- Technology
-
- Anti-lock Braking System (ABS)
- Electronic Brakeforce Distribution (EBD)
- Brake Assist (BA)
- Comfort
-
- Low noise operation
- Smooth braking feel
- Minimal dust generation
- Maintenance
-
- Wear indicators
- Easy pad replacement
- Rotor resurfacing capability
Safety Features
- Active Safety
-
- ABS for wheel lock prevention
- EBD for optimal braking force
- Passive Safety
-
- Heat-resistant materials
- Reinforced brake lines
- Emergency Features
-
- Brake Assist for sudden stops
- Parking brake with automatic hold
Comfort Features
- Noise Reduction
-
- Ceramic pads for quiet operation
- Vibration dampening rotors
- Pedal Feel
-
- Linear braking response
- Adjustable pedal sensitivity
- Dust Management
-
- Low-dust pad material
- Dust shields on rotors
Accessories
- Upgrades
-
- Performance rotors
- High-performance pads
- Stainless steel brake lines
- Tools
-
- Brake pad spreader
- Rotor resurfacing tool
- Brake fluid tester
- Maintenance Kits
-
- Pad and rotor kit
- Brake fluid flush kit
- Caliper service kit
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect brake pads and rotors
- Check brake fluid level
- Test brake line integrity
- Lubricate caliper pins
- Inspect parking brake mechanism
- Maintenance Notes
- Replace brake fluid every 30,000 miles or 2 years
Warranty
- Brake Pads
- Miles: 30,000Years: 2Coverage: Material defects
- Rotors
- Miles: 50,000Years: 3Coverage: Warping and cracking
- Calipers
- Miles: 70,000Years: 5Coverage: Seal and piston failure
- Brake Lines
- Miles: LifetimeYears: LifetimeCoverage: Leaks and corrosion
Production Details
- Manufacturer
- Nissan Motor Co., Ltd.
- Manufacturing Process
-
- Precision casting for rotors
- High-pressure molding for pads
- CNC machining for calipers
- Quality Control
- Rotor inspection: Ultrasonic testing for defectsPad Testing: Friction coefficient verificationCaliper Testing: Pressure and leak testing
- Sustainability Practices
-
- Recycled materials in pads
- Eco-friendly coatings on rotors
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid level
- Test brake line integrity
- Lubricate caliper pins
- Inspect parking brake mechanism
Ensure proper torque on all bolts
- Replace brake fluid
- Resurface or replace rotors if necessary
- Inspect caliper seals
- Check ABS sensor functionality
- Test brake pedal response
Use manufacturer-recommended brake fluid
- Replace brake pads
- Replace rotors if worn
- Inspect and replace brake lines if needed
- Test parking brake efficiency
- Perform full system bleed
Critical to replace all components in pairs
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are the brakes for the 2003-2004 Infiniti M45 compatible with other Infiniti models?
Are the brakes for the 2003-2004 Infiniti M45 compatible with other Infiniti models?
The brakes for the 2003-2004 Infiniti M45 are specifically designed for this model and may not be compatible with other Infiniti vehicles. The M45 uses a unique brake system with front rotors measuring 320mm and rear rotors at 308mm. Always verify compatibility using the vehicle's VIN or consult a professional before purchasing or installing brakes for other models.
Q2 What is the recommended maintenance schedule for the brakes on a 2003-2004 Infiniti M45?
What is the recommended maintenance schedule for the brakes on a 2003-2004 Infiniti M45?
The brakes on a 2003-2004 Infiniti M45 should be inspected every 12,000 miles or annually, whichever comes first. Brake pads typically last 30,000-50,000 miles, while rotors may need replacement every 50,000-70,000 miles. Regularly check brake fluid levels and replace it every 30,000 miles or as specified in the owner's manual to ensure optimal performance and safety.
Q3 How do I replace the brake pads on a 2003-2004 Infiniti M45?
How do I replace the brake pads on a 2003-2004 Infiniti M45?
To replace the brake pads on a 2003-2004 Infiniti M45, 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 clean the caliper bracket. 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 2003-2004 Infiniti M45 brakes are squeaking or vibrating?
What should I do if my 2003-2004 Infiniti M45 brakes are squeaking or vibrating?
Squeaking or vibrating brakes on a 2003-2004 Infiniti M45 may indicate worn brake pads, warped rotors, or debris in the braking system. Inspect the pads and rotors for wear or damage. If the rotors are warped, they may need resurfacing or replacement. Clean the brake components thoroughly and apply brake grease to the back of the pads to reduce noise.
Q5 How can I optimize the braking performance of my 2003-2004 Infiniti M45?
How can I optimize the braking performance of my 2003-2004 Infiniti M45?
To optimize braking performance, use high-quality brake pads and rotors designed for the 2003-2004 Infiniti M45. Regularly inspect and maintain the brake system, including fluid levels and pad thickness. Avoid aggressive driving, which can overheat the brakes. 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.
2003-2004 Infiniti M45 Service Manual
Coming SoonComprehensive guide covering brake system maintenance, repair, and troubleshooting for the 2003-2004 Infiniti M45.
Infiniti Technical Service Bulletin for Brake Systems
Coming SoonLatest updates and fixes for brake-related issues in the 2003-2004 Infiniti M45, including recalls and performance improvements.
Infiniti M45 Brake Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket brake components for the 2003-2004 Infiniti M45, including pads, rotors, and calipers.
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Technical Information
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