Lexus HS 2010-2012 Brakes Specifications
Lexus HS 2010-2012

Lexus HS 2010-2012 Brakes Specifications

Explore the detailed brake specifications for the 2010-2012 Lexus HS, including rotor size, pad material, and caliper configuration. Ideal for maintenance, upgrades, and troubleshooting.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the braking system of the 2010-2012 Lexus HS. It is designed to assist users in understanding the components, performance, and maintenance requirements of the brakes. Use the search and navigation instructions to quickly find relevant information. The sections are organized to cover major aspects of the braking system, including types, dimensions, and performance metrics.

How to Use

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.

Scroll through the document or use the table of contents to jump to specific sections. Each section is divided into subsections for easy access to detailed information.

Key Specifications

Front Rotor Diameter

296 mm

Rear Rotor Diameter

292 mm

Brake Pad Thickness (New)

10.5 mm

Stopping Distance (60-0 mph)

120 feet

Brake Fluid Replacement Interval

30,000 miles

Available Specifications

Brake System Components

This section covers the primary components of the Lexus HS braking system, including the brake pads, rotors, calipers, and hydraulic system. Understanding these components is essential for maintenance and performance optimization.

Brake Pads
  • Material: Ceramic composite
  • Thickness: 10.5 mm (new)
  • Wear limit: 2.0 mm
  • Replacement interval: Approximately 50,000 miles
Brake Rotors
  • Type: Ventilated front and rear
  • Diameter: 296 mm (front), 292 mm (rear)
  • Thickness: 26 mm (front), 10 mm (rear)
  • Material: Cast iron
Brake Calipers
  • Type: Single-piston floating
  • Material: Aluminum alloy
  • Front caliper weight: 3.2 kg
  • Rear caliper weight: 2.8 kg

Brake Performance

This section provides information on the braking performance of the Lexus HS, including stopping distance, pedal feel, and system responsiveness. These metrics are critical for evaluating the safety and efficiency of the braking system.

Stopping Distance
  • 60-0 mph: 120 feet
  • 80-0 mph: 210 feet
  • Test conditions: Dry pavement, 70°F
Pedal Feel
  • Pedal travel: 2.5 inches
  • Pedal force: 45 lbs for full braking
  • Feedback: Linear and predictable
System Responsiveness
  • ABS activation time: 0.2 seconds
  • Brake assist: Standard
  • Electronic brake-force distribution: Standard

Maintenance and Care

This section outlines the recommended maintenance practices for the Lexus HS braking system, including inspection intervals, common issues, and troubleshooting tips. Proper maintenance ensures longevity and optimal performance.

Inspection Intervals
  • Brake pads: Every 10,000 miles
  • Brake fluid: Every 30,000 miles
  • Rotors: Every 20,000 miles
Common Issues
  • Brake squeal: Often caused by worn pads
  • Vibration: Usually due to warped rotors
  • Soft pedal: Indicates air in the brake lines
Troubleshooting Tips
  • Check brake fluid level regularly
  • Inspect for leaks in the hydraulic system
  • Replace worn components promptly

Brakes Specifications

Overview

Type
Hydraulic Disc Brakes
Configuration
Front and Rear Disc
Platform
Lexus HS 250h
Material
High-carbon Cast Iron Rotors
Location
Wheel-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)
Front Pad Length
5.9 inches (150 mm)
Rear Pad Length
5.5 inches (140 mm)
Brake Fluid Capacity
0.5 liters (16.9 fl oz)

Materials

Rotors
High-carbon Cast Iron with Anti-corrosion Coating
Brake Pads
Ceramic Composite
Calipers
Aluminum Alloy
Brake Lines
Reinforced Rubber with Steel Braiding

Features

Performance
  • ABS (Anti-lock Braking System)
  • EBD (Electronic Brakeforce Distribution)
  • Brake Assist
Durability
  • Corrosion-resistant Rotors
  • Heat-treated Calipers
  • Long-lasting Ceramic Pads
Noise Reduction
  • Shimmed Brake Pads
  • Vibration Dampers
  • Noise-insulating Backing Plates
Maintenance
  • Wear Sensors
  • Easy-access Caliper Design
  • Self-adjusting Parking Brake
Safety
  • Hydraulic Brake Booster
  • Integrated Stability Control
  • Emergency Brake Light Activation

Safety Features

Active Safety
  • ABS with Traction Control
  • Electronic Stability Control
  • Collision Mitigation Braking
Passive Safety
  • Dual-circuit Brake System
  • Automatic Brake Hold
  • Parking Brake Auto-engage
Monitoring
  • Brake Pad Wear Sensors
  • Brake Fluid Level Sensor
  • ABS Diagnostic System

Comfort Features

Pedal Feel
  • Linear Brake Response
  • Adjustable Pedal Resistance
  • Smooth Engagement
Noise Control
  • Low-noise Ceramic Pads
  • Vibration Dampening
  • Quiet Operation
Ergonomics
  • Easy-to-reach Parking Brake
  • Intuitive Brake Pedal Design
  • Comfortable Brake Force Distribution

Accessories

Upgrades
  • Performance Brake Pads
  • Slotted Rotors
  • Stainless Steel Brake Lines
Maintenance Tools
  • Brake Pad Spreader
  • Caliper Compression Tool
  • Brake Bleeder Kit
Replacement Parts
  • OEM Brake Pads
  • OEM Rotors
  • Brake Fluid

Maintenance

Service interval
Every 15,000 miles or 12 months
Service Items
  • Inspect Brake Pads and Rotors
  • Check Brake Fluid Level
  • Test ABS Functionality
  • Lubricate Caliper Slides
  • Inspect Brake Lines for Leaks
Maintenance Notes
Use only DOT 4 brake fluid for optimal performance.

Warranty

Basic Warranty
Miles: 50,000
Years: 4
Coverage: Parts and Labor
Powertrain Warranty
Miles: 70,000
Years: 6
Coverage: Brake System Components
Corrosion Warranty
Miles: Unlimited
Years: 6
Coverage: Rust-through Protection
Extended Warranty
Miles: 100,000
Years: 8
Coverage: Optional Extended Coverage

Production Details

Manufacturer
Akebono Brake Industry Co., Ltd.
Manufacturing Process
  • Precision Casting for Rotors
  • CNC Machining for Calipers
  • Automated Pad Assembly
Quality Control
Rotor inspection: 100% Dimensional and Surface Check
Caliper Testing: Hydraulic Pressure Testing
Pad Quality: Friction Coefficient Verification
Sustainability Practices
  • Recycled Materials in Pads
  • Low-emission Manufacturing
  • Water-based Coatings
Production Metrics
Annual Output: 500,000 Units
Defect Rate: 0.01%
Lead Time: 4 Weeks

Service Information for brakes Service

Maintenance and service requirements specific to this component

15,000
12
  • Inspect Brake Pads and Rotors
  • Check Brake Fluid Level
  • Test ABS Functionality
  • Lubricate Caliper Slides
  • Inspect Brake Lines for Leaks

Use only DOT 4 brake fluid for optimal performance.

30,000
24
  • Replace Brake Pads if Necessary
  • Resurface or Replace Rotors
  • Flush Brake Fluid
  • Inspect Caliper Functionality
  • Check Parking Brake Adjustment

Ensure proper bedding of new pads and rotors.

60,000
48
  • Replace Brake Pads and Rotors
  • Inspect and Replace Brake Lines if Needed
  • Test ABS and Stability Control Systems
  • Replace Brake Fluid
  • Inspect Master Cylinder

Major service interval requires professional tools and expertise.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Are these brakes compatible with all 2010-2012 Lexus HS models?

Yes, these brakes are specifically designed for the 2010-2012 Lexus HS models, including all trims. They meet OEM specifications for rotor size, pad material, and caliper fitment. Ensure you verify your vehicle's exact model and trim before purchase to confirm compatibility. Non-HS models or vehicles with aftermarket modifications may require additional verification.

Q2

What is the recommended maintenance schedule for Lexus HS brakes?

For optimal performance, inspect brake pads and rotors every 12,000 miles or annually. Replace brake pads when thickness is below 3mm and rotors if they show significant wear, scoring, or warping. Brake fluid should be flushed every 30,000 miles or as specified in your owner's manual. Regular cleaning of brake components is also recommended to prevent debris buildup.

Q3

How do I replace the brake pads on a 2010-2012 Lexus HS?

To replace brake pads, lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old pads and inspect the rotors. Install new pads, ensuring they are properly seated. Reattach the caliper and tighten bolts to the manufacturer's torque specifications. Test the brakes before driving to ensure proper function.

Q4

What should I do if my brakes are squeaking or vibrating?

Squeaking or vibrating brakes may indicate worn pads, uneven rotor surfaces, or debris buildup. Inspect the pads and rotors for wear or damage. Clean the brake components thoroughly. If the issue persists, consider resurfacing or replacing the rotors and pads. Ensure all hardware is properly lubricated and torqued to prevent noise and vibration.

Q5

How can I optimize the performance of my Lexus HS brakes?

To optimize brake performance, use high-quality pads and rotors designed for your vehicle. Regularly clean brake components to prevent debris accumulation. Avoid aggressive driving, which can cause overheating and premature wear. Ensure proper bedding-in of new pads by following the manufacturer's instructions. Regularly check and maintain brake fluid levels and quality.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2010-2012 Lexus HS Service Manual

Coming Soon

Detailed service manual covering brake system maintenance, repair, and specifications for the 2010-2012 Lexus HS.

Technical Service Bulletin: Brake System Updates

Coming Soon

TSB outlining updates and common issues related to the brake system in 2010-2012 Lexus HS models.

Lexus HS Brake Parts Catalog

Coming Soon

Comprehensive catalog of OEM and aftermarket brake parts for the 2010-2012 Lexus HS.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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