Acura RDX 2019-present

Acura RDX 2019-present Suspension Specifications

Detailed technical specifications for the 2019-Present Acura RDX suspension system, including front and rear suspension components, alignment settings, torque values, and maintenance procedures. Ideal for technicians and enthusiasts.

Updated Oct 24, 2023

Suspension Specifications Overview Specifications

This document provides a comprehensive overview of the suspension specifications for the 2019-present Acura RDX. It includes detailed technical information, key features, and performance metrics. Use this guide to understand the suspension system's design, components, and capabilities. Navigate through the sections to find specific details or refer to the quick reference section for key specifications.

How to Use

To find specific information, use the search functionality by typing keywords related to suspension components, such as 'spring rate' or 'stabilizer bar.' This will help you quickly locate relevant details within the document.

Navigate through the document by exploring the sections listed in the table of contents. Each section focuses on a major aspect of the suspension system, with subsections providing detailed technical specifications and explanations.

Key Specifications

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Front Suspension Type

MacPherson strut with adaptive dampers

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Rear Suspension Type

Multi-link with adaptive dampers

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Front Spring Rate

84 N/mm (front), 90 N/mm (rear)

◆

Stabilizer Bar Diameter

26.0 mm (front), 25.4 mm (rear)

★

Adaptive Damping Modes

3 modes (Comfort, Normal, Sport)

Available Specifications

Front Suspension

The front suspension of the 2019-present Acura RDX features a MacPherson strut design with adaptive dampers. This setup provides a balance of comfort and sporty handling, with precise steering response and reduced body roll. The system is optimized for both daily driving and dynamic performance.

MacPherson Strut Design

High-strength steel strut towers for improved rigidity
Low-friction piston design for smooth operation
Gas-filled shock absorbers for consistent damping
Coil spring with progressive rate for ride comfort
Integrated with adaptive damper system

Stabilizer Bars

Solid rear stabilizer bar for reduced body roll
Hollow front stabilizer bar for weight reduction
Tuned to match chassis rigidity and spring rates
Enhances cornering stability and responsiveness
Directly connected to adaptive damping system

Rear Suspension

The rear suspension utilizes a multi-link design with adaptive dampers, providing excellent articulation and control. This setup ensures a smooth ride, minimal road noise, and precise handling during cornering. The multi-link configuration allows for optimal tire contact and stability.

Multi-Link Suspension

Five-link rear suspension for improved articulation
Lightweight aluminum components for reduced unsprung mass
Adaptive dampers with real-time adjustments
Coil springs with optimized spring rates
Stabilizer bar for enhanced roll control

Rear Suspension Mounts

High-strength bushings for durability
Hydraulic mounts for noise isolation
Tuned to reduce vibrations and harshness
Designed for precise toe and camber control
Enhances overall ride comfort and stability

Electronic Suspension Controls

The Acura RDX features an advanced electronic suspension control system, allowing for real-time adjustments to damping forces. This system enhances ride comfort, handling, and stability by adapting to driving conditions and road surfaces.

Adaptive Damper System

Real-time damping force adjustment
Integrated with IDS (Integrated Dynamics System)
Three driving modes: Comfort, Normal, and Sport
Electronically controlled mono-tube dampers
Optimized for both smooth roads and rough surfaces

Integrated Dynamics System (IDS)

Adjusts suspension, steering, and throttle response
Customizable through the IDS switch
Three distinct driving modes
Enhances responsiveness and driver engagement
Works in harmony with adaptive dampers

Suspension Performance

The suspension system of the Acura RDX is tuned for a balance of sporty handling and refined ride quality. It delivers exceptional performance in various driving conditions, from urban streets to winding roads.

Ride and Handling

Optimized spring rates for balance and control
Tuned dampers for precise body motion control
Reduced unsprung mass for improved responsiveness
Enhanced stability during high-speed driving
Minimized pitch and roll during acceleration and braking

Tires and Wheels

Available 19-inch alloy wheels
High-performance all-season tires
Optional 20-inch wheels with performance tires
Tires tuned for grip and low noise
Designed to match suspension characteristics

Search Specifications

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Component Specifications

Overview

Type: MacPherson strut front, multi-link rear

Configuration: Independent front and rear

Platform: Honda/Acura Compact Class

Material: Aluminum (front knuckles), Steel (rear suspension components)

Location: Front and rear axles

Dimensions

Front Shock ABSorber Diameter: 1.8 in (45.7 mm)

Rear Shock ABSorber Diameter: 1.6 in (40.6 mm)

Front Spring Rate: 3.1 lb/in (54.3 N/mm)

Rear Spring Rate: 2.8 lb/in (48.9 N/mm)

Front Strut Travel: 5.9 in (150 mm)

Rear Suspension Travel: 5.1 in (130 mm)

Stabilizer Bar Diameter Front: 1.0 in (25.4 mm)

Stabilizer Bar Diameter Rear: 0.9 in (22.9 mm)

Materials

Front Control Arm: Forged steel

Rear Suspension Link: High-strength steel

Front Knuckle: Aluminum alloy

Rear Housing: Stamped steel

Coil Spring: High-tensile steel

Features

Damping Control

Adaptive dampers
Dual-mode suspension
Real-time damping adjustment

Ride Control

Integrated Dynamics System
Comfort mode
Sport mode

Stability Aid

Electronic stability control
Vehicle stability assist
Motion adaptive steering

Suspension Technology

Amplitude reactive dampers
Progressive rate springs
Road preview through stereo camera

Safety Features

Active Safety

Electronic stability control
Vehicle stability assist
Motion adaptive steering

Passive Safety

Crushable knuckles for impact absorption
Energy-absorbing suspension mounts
Reinforced suspension components

Emergency Response

Suspension fail-safe mode
Automatic suspension adjustment in emergencies

Comfort Features

Ride Quality

Dual-mode suspension damping
Progressive rate springs
Amplitude reactive dampers

Noise Reduction

Hydraulic bushings
Isolated suspension mounts
Noise-insulating strut caps

Adjustability

Driver-selectable ride modes
Customizable suspension settings
Adaptive ride height control

Convenience

Auto-mode for adaptive suspension
Integrated Dynamics System (IDS)
Suspension preview through stereo camera

Accessories

Aftermarket Upgrades

Performance coilover kits
Adjustable sway bars
High-performance bushings

Replacement Parts

OEM replacement shocks
Genuine Acura springs
Factory-grade suspension mounts

Custom Options

Lowering springs
Air suspension kits
Electronic suspension upgrades

Maintenance

Service interval

Inspect shock absorbers at 15,000 miles
Replace suspension bushings at 50,000 miles
Check stabilizer links at 30,000 miles
Inspect coil springs at 60,000 miles
Replace suspension fluid at 90,000 miles

Maintenance Notes: Suspension components should be inspected every 12,000 miles or as per manufacturer recommendations. Lubricate suspension joints annually or as needed.

Warranty

Basic Warranty: Miles: 50,000
Years: 4
Coverage: Bumper-to-bumper, including suspension components

Powertrain Warranty: Miles: 70,000
Years: 6
Coverage: Includes suspension components related to powertrain

Corrosion Warranty: Miles: 100,000
Years: 5
Coverage: Perforation of suspension components due to corrosion

Accessories Warranty: Miles: 20,000
Years: 2
Coverage: Suspension accessories and electronic components

Production Details

Manufacturer: Honda Motor Co., Ltd. (for Acura)

Manufacturing Process

Robotically welded suspension components
Precision machining of strut assemblies
Assembly line testing of suspension systems
Quality control inspection of all components

Quality Control: inspection: 100% component inspection
Testing: Dynamic testing of suspension assemblies
Certification: Compliance with ISO 9001 standards

Sustainability Practices

Recycled materials in suspension components
Energy-efficient manufacturing processes
Reduced waste in production

Production Metrics: Annual Production: Over 50,000 units
Assembly Time: Approx. 8 hours per vehicle
Quality Rating: 95% defect-free rate

Service Information for Acura RDX Suspension Service

Recommended maintenance and service requirements for the suspension system

15,000

Inspect shock absorbers for leaks or damage
Check stabilizer links for wear
Inspect suspension bushings for cracks
Lubricate suspension joints
Check coil springs for sagging

Perform a visual inspection of all suspension components. Replace any worn or damaged parts.

30,000

Replace suspension bushings if necessary
Check stabilizer bar links
Inspect front and rear control arms
Check suspension mounts for wear
Test suspension dampers for proper function

Use specialized tools to check suspension components. Replace parts if excessive wear is detected.

60,000

Replace shock absorbers if necessary
Inspect coil springs for rust or damage
Check suspension fluid levels
Inspect front and rear struts
Test electronic suspension components

Perform a more thorough inspection of the suspension system. Consider replacing components approaching their service life.

90,000

Replace suspension fluid
Inspect all suspension components for wear
Check electronic suspension systems
Replace any worn stabilizer links
Inspect suspension control arms

Major service interval. Inspect and replace all suspension components as needed. Ensure all electronic systems are functioning properly.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of suspension system does the 2019-present Acura RDX use?

The 2019-present Acura RDX features an independent front MacPherson strut suspension and a rear multi-link suspension. The front suspension includes coil springs, gas-pressurized shock absorbers, and a stabilizer bar, while the rear suspension incorporates coil springs, shock absorbers, and a stabilizer bar for enhanced stability and ride comfort.

What is the ground clearance of the 2019-present Acura RDX?

The 2019-present Acura RDX has a ground clearance of 8.2 inches (208 mm) for all-wheel-drive (AWD) models and 8.1 inches (206 mm) for front-wheel-drive (FWD) models, ensuring optimal performance on various road conditions.

What is the recommended tire pressure for the Acura RDX suspension system?

The recommended tire pressure for the 2019-present Acura RDX is 35 psi (241 kPa) for all four tires. Proper tire pressure is critical for maintaining suspension performance, ride comfort, and tire longevity.

How often should the suspension components be inspected?

Acura recommends inspecting the suspension components, including struts, shock absorbers, and bushings, every 15,000 miles or as part of routine maintenance. Signs of wear, such as uneven tire wear, excessive bouncing, or noise, should prompt an immediate inspection.

Can the Acura RDX suspension be adjusted for different driving conditions?

The 2019-present Acura RDX features an Adaptive Damper System (ADS) on certain trims, which automatically adjusts the suspension damping force based on road conditions and driving dynamics. This system enhances ride comfort and handling performance.

What is the towing capacity of the Acura RDX with its current suspension setup?

The 2019-present Acura RDX has a maximum towing capacity of 1,500 lbs (680 kg) when properly equipped. The suspension system is designed to handle this load while maintaining stability and ride 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.

Acura RDX Suspension Maintenance Guide

Coming Soon

A detailed guide on maintaining the suspension system, including inspection intervals, common issues, and replacement procedures.

Adaptive Damper System (ADS) Overview

Coming Soon

Learn how the Adaptive Damper System works in the Acura RDX and its impact on ride quality and handling.

Suspension Component Replacement Parts

Coming Soon

A list of genuine Acura suspension components, including struts, shock absorbers, and bushings, for the 2019-present RDX.

Towing and Payload Guidelines

Coming Soon

Detailed information on towing capacity, payload limits, and suspension requirements for the Acura RDX.

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