Acura TL 2009-2014 Suspension Specifications
Acura TL 2009-2014

Acura TL 2009-2014 Suspension Specifications

Detailed technical documentation for the suspension system of the 2009-2014 Acura TL, including front and rear suspension components, alignment settings, torque values, and maintenance procedures.

Updated

Suspension Specifications Overview Specifications

This document provides a detailed overview of the suspension specifications for the 2009-2014 Acura TL. It includes technical details, key components, and maintenance recommendations. Use this guide to understand the suspension system, identify components, and perform routine inspections or repairs. The information is organized into sections for easy navigation, with quick reference charts for fast access to key specifications.

How to Use

To search for specific information, use the search functionality by pressing Ctrl+F (Windows) or Cmd+F (Mac). Enter keywords like 'spring rate' or 'shock absorber' to find relevant details quickly.

Navigate through the sections using the table of contents. Each major section contains subsections with detailed technical points. Use the tabs or scroll through the document to access different parts of the guide.

Key Specifications

Front Spring Rate

84 N/mm (Front)

Rear Spring Rate

58 N/mm (Rear)

Front Stabilizer Bar

26.5 mm diameter

Rear Stabilizer Bar

23.0 mm diameter

Ride Height (Unloaded)

135 mm front, 140 mm rear

Available Specifications

Front Suspension

The front suspension of the 2009-2014 Acura TL features a MacPherson strut design with a stabilizer bar. This section provides details on the components, technical specifications, and maintenance requirements.

Front Suspension Components
  • MacPherson strut assembly with coil spring
  • Stabilizer bar with links and bushings
  • Lower control arms with ball joints
  • Steering knuckle and hub assembly
  • Shock absorber with integrated spring seat
Front Suspension Adjustments
  • Camber adjustment via eccentric bolts
  • Toe adjustment via steering rack mounting bolts
  • No factory provision for caster adjustment
  • Spring pre-load adjustment via strut assembly

Rear Suspension

The rear suspension of the 2009-2014 Acura TL features a multi-link design with a stabilizer bar. This section includes details on the components, technical specifications, and maintenance requirements.

Rear Suspension Components
  • Multi-link suspension with upper and lower control arms
  • Stabilizer bar with links and bushings
  • Coil springs with shock absorbers
  • Trailing arm and toe control arm
  • Rear knuckle and hub assembly
Rear Suspension Adjustments
  • Toe adjustment via toe control arm
  • Camber adjustment via eccentric bolts
  • No factory provision for caster adjustment
  • Spring pre-load adjustment via coil spring

Suspension Maintenance

Regular maintenance is essential to ensure optimal performance and longevity of the suspension system. This section provides recommendations for inspections, replacements, and adjustments.

Inspection Intervals
  • Inspect suspension components every 12,000 to 15,000 miles
  • Check for wear or damage on bushings and joints
  • Inspect stabilizer bar links and bushings for wear
  • Check tire wear pattern for alignment issues
  • Inspect shock absorbers for leaks or damage
Replacement Intervals
  • Replace shock absorbers every 50,000 to 70,000 miles
  • Replace stabilizer bar links every 30,000 to 50,000 miles
  • Replace ball joints as needed based on inspection
  • Replace bushings as needed based on inspection
  • Replace coil springs if sagging or damaged

Component Specifications

Overview

Type
MacPherson strut front, multi-link rear
Configuration
Double-wishbone front, multi-link rear
Platform
Acura TL (4th generation)
Material
Steel and aluminum components
Location
Front and rear axles

Dimensions

Spring Rate Front
84 N/mm (4.8 lb/in)
Spring Rate Rear
67 N/mm (3.8 lb/in)
Shock ABSorber Diameter
33 mm (1.3 in)
Stabilizer Bar Front
23 mm (0.9 in)
Stabilizer Bar Rear
20 mm (0.8 in)
Ride Height Front
130 mm (5.1 in)
Ride Height Rear
125 mm (4.9 in)
Suspension Travel Front
120 mm (4.7 in)
Suspension Travel Rear
110 mm (4.3 in)

Materials

Strut Towers
High-strength steel
Control Arms
Forged aluminum
Bushings
Hydraulic rubber
Stabilizer Bars
High-tensile steel

Features

Handling Enhancements
  • Precision All-Wheel Steering (P-AWS)
  • Electronically controlled damping
  • Adaptive suspension mode
  • Ride height sensors
  • Dynamic stability control integration
Ride Quality
  • Progressive rate springs
  • Low-friction shock absorbers
  • Isolated suspension mounts
  • Hydraulic bushings
  • Acoustic insulation
Structural integrity
  • Forged aluminum control arms
  • High-strength steel subframe
  • Reinforced mounting points
  • Durable ball joints
  • Corrosion-resistant coatings
Adjustability
  • Manual ride height adjustment
  • Camber adjustment bolts
  • Toe adjustment
  • Damping force adjustment (optional)
  • Spring preload adjustment
Suspension Control
  • Electronic control unit
  • Sensors for vehicle speed, acceleration, and steering angle
  • Real-time damping adjustment
  • Integrated stability control
  • Driver-selectable modes
Aerodynamics And Noise Reduction
  • Aero-optimized suspension components
  • Noise-insulating suspension mounts
  • Dust covers for suspension links
  • Streamlined control arms
  • Acoustic damping materials

Safety Features

Stability Control
  • Vehicle Stability Assist (VSA)
  • Electronic stability control
  • Traction control system
  • Integrated braking system
Crash Worthiness
  • Crushable strut towers
  • Energy-absorbing materials
  • Reinforced suspension components
  • Safe failure modes
Load Sensing
  • Load-sensing proportioning valve
  • Electronic brakeforce distribution
  • Automatic ride height control
  • Weight distribution sensors

Comfort Features

Ride Comfort
  • Adaptive damping system
  • Low-speed ride optimization
  • High-speed stability enhancement
  • Impact harshness reduction
  • Road noise isolation
Noise Reduction
  • Hydraulic bushings
  • Acoustic insulation
  • Damped suspension components
  • Vibration-isolating mounts
  • Noise-cancelling materials
Adjustability
  • Driver-selectable suspension modes
  • Manual ride height adjustment
  • Camber and toe adjustability
  • Damping force adjustment
  • Spring preload adjustment
Ergonomics
  • Weight distribution optimization
  • Center of gravity lowering
  • Roll stiffness tuning
  • Pitch rate control
  • Yaw rate responsiveness

Accessories

Suspension Kits
  • Performance coilover kit
  • Lowering spring kit
  • Adjustable dampers
  • Air suspension kit
  • Height-adjustable spring perches
Stabilizer Bars
  • Performance sway bar kit
  • Adjustable rear sway bar
  • Solid sway bar links
  • Sway bar bushes
  • Lightweight sway bar
Upgrade Components
  • High-performance shock absorbers
  • Racing springs
  • Camber adjustment bolts
  • Ball joint assembly
  • Suspension bushing kit

Maintenance

Service interval
  • Miles: 15,000 miles, Months: 12 months, Items: Inspect shock absorbers,Check suspension bushings,Inspect stabilizer links,Check ride height,Inspect control arms, Note: Recommended inspection interval for suspension components
  • Miles: 30,000 miles, Months: 24 months, Items: Replace suspension fluid,Inspect strut mounts,Check ball joints,Inspect tie rod ends,Check steering rack boots, Note: Intermediate service interval for suspension maintenance
  • Miles: 60,000 miles, Months: 48 months, Items: Replace shock absorbers,Replace suspension bushings,Replace stabilizer links,Replace control arms,Replace ball joints, Note: Major service interval for suspension components
Maintenance Notes
  • Always use genuine parts for replacement
  • Follow manufacturer torque specifications
  • Use proper alignment after suspension work
  • Check for any fluid leaks after service
  • Test drive vehicle after major maintenance

Warranty

Basic Warranty
Miles: 50,000 miles
Years: 4 years
Coverage: Full coverage for parts and labor
Powertrain Warranty
Miles: 70,000 miles
Years: 5 years
Coverage: Coverage for powertrain components
Corrosion Warranty
Miles: Unlimited miles
Years: 5 years
Coverage: Perforation due to corrosion
Accessory Warranty
Miles: 25,000 miles
Years: 2 years
Coverage: Accessories and optional equipment

Production Details

Manufacturer
Honda Motor Co., Ltd.
Manufacturing Process
  • Robotically welded subframe
  • High-strength steel stamping
  • Forged aluminum component manufacturing
  • E-coating for corrosion resistance
  • Cathodic dip painting
Quality Control
inspection: 100% component inspection
Testing: Dynamic and static testing
Certification: ISO 9001:2015 certified
Sustainability Practices
  • Recyclable materials
  • Energy-efficient manufacturing
  • Emissions reduction
  • Waste reduction programs
Production Metrics
Annual Production: Over 10,000 units
Manufacturing Floor Space: 100,000 sq. ft.
Workforce: 500+ skilled workers
Robotics Implementation: High automation level
Quality Rating: Top-tier reliability rating

Service Information for suspension Service

Maintenance and service requirements specific to this component

15,000 miles
12 months
  • Inspect shock absorbers
  • Check suspension bushings
  • Inspect stabilizer links
  • Check ride height
  • Inspect control arms

Recommended inspection interval for suspension components

30,000 miles
24 months
  • Replace suspension fluid
  • Inspect strut mounts
  • Check ball joints
  • Inspect tie rod ends
  • Check steering rack boots

Intermediate service interval for suspension maintenance

60,000 miles
48 months
  • Replace shock absorbers
  • Replace suspension bushings
  • Replace stabilizer links
  • Replace control arms
  • Replace ball joints

Major service interval for suspension components

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the recommended tire pressure for the 2009-2014 Acura TL to ensure optimal suspension performance?

The recommended tire pressure for the 2009-2014 Acura TL is 32 psi (220 kPa) for the front tires and 32 psi (220 kPa) for the rear tires. Maintaining this pressure ensures proper suspension geometry and ride quality.

Q2

What type of suspension system does the 2009-2014 Acura TL use?

The 2009-2014 Acura TL features a MacPherson strut front suspension and a multi-link rear suspension. This setup provides a balance of handling precision and ride comfort, with specific tuning for sporty performance.

Q3

What is the ride height of the 2009-2014 Acura TL, and how does it affect suspension performance?

The ride height of the 2009-2014 Acura TL is approximately 5.7 inches (145 mm) at the front and 5.9 inches (150 mm) at the rear. This low center of gravity enhances handling stability and reduces body roll during cornering.

Q4

How often should the suspension components be inspected on a 2009-2014 Acura TL?

Suspension components, including struts, shocks, bushings, and control arms, should be inspected every 15,000 miles or during routine maintenance. Worn components can negatively impact ride quality and safety.

Q5

What are the torque specifications for the front strut mounting bolts on the 2009-2014 Acura TL?

The front strut mounting bolts on the 2009-2014 Acura TL should be torqued to 47 lb-ft (64 Nm) for the upper mounting nuts and 76 lb-ft (103 Nm) for the lower mounting bolts. Proper torque ensures secure attachment and alignment.

Q6

Can aftermarket suspension components affect the warranty of a 2009-2014 Acura TL?

Yes, installing aftermarket suspension components may void the vehicle's warranty if they cause damage to other systems. Always consult your Acura dealer or warranty documentation before making modifications.

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 TL Suspension Maintenance Guide

Coming Soon

A detailed guide on inspecting and maintaining the suspension system of the 2009-2014 Acura TL, including torque specifications and alignment procedures.

OEM Suspension Parts Catalog

Coming Soon

Access the official Acura parts catalog for genuine suspension components, ensuring compatibility and performance for your 2009-2014 Acura TL.

Suspension Alignment Specifications

Coming Soon

Detailed alignment specifications for the 2009-2014 Acura TL, including camber, caster, and toe settings for optimal handling and tire wear.

Common Suspension Issues and Solutions

Coming Soon

Learn about common suspension problems in the 2009-2014 Acura TL, such as strut noise or uneven tire wear, and how to address them effectively.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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