Buick Regal 2011-2017 Suspension Specifications
Explore detailed suspension specifications for the 2011-2017 Buick Regal, including OEM part numbers, torque settings, and alignment details. Perfect for repairs, upgrades, or performance evaluations.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2011-2017 Buick Regal. It is designed to assist technicians, enthusiasts, and owners in understanding the components, configurations, and performance characteristics of the vehicle's suspension. Use this guide for maintenance, troubleshooting, or upgrades. The document is organized into major sections, each focusing on different aspects of the suspension system, with subsections detailing specific components and their functions.
How to Use
Use the search functionality to quickly locate specific suspension components or terms within the document. Enter keywords such as 'shock absorbers' or 'front suspension' to find relevant sections.
Navigate through the document by scrolling through the sections or using the table of contents. Each major section is clearly labeled, and subsections are listed under their respective headings for easy access.
Key Specifications
Front Suspension Type
MacPherson Strut
Rear Suspension Type
Multi-Link
Front Stabilizer Bar Diameter
24-26 mm
Rear Stabilizer Bar Diameter
18-20 mm
Shock Absorber Type
Hydraulic/Electronic
Available Specifications
Front Suspension
The front suspension of the 2011-2017 Buick Regal is designed to provide a balance of comfort and handling. It features a MacPherson strut design, which is common in modern vehicles for its compactness and effectiveness. This section covers the key components and their roles in ensuring smooth ride quality and responsive steering.
Front Suspension
The front suspension of the 2011-2017 Buick Regal is designed to provide a balance of comfort and handling. It features a MacPherson strut design, which is common in modern vehicles for its compactness and effectiveness. This section covers the key components and their roles in ensuring smooth ride quality and responsive steering.
MacPherson Strut Assembly
- Includes coil spring and shock absorber in a single unit
- Provides vertical support and damping for the front wheels
- Reduces unsprung weight for better handling
- Features a lower control arm for lateral stability
Stabilizer Bar
- Reduces body roll during cornering
- Connects both front wheels to maintain stability
- Mounted with bushings to minimize noise and vibration
- Available in varying diameters depending on trim level
Rear Suspension
The rear suspension system of the Buick Regal is engineered to complement the front suspension, ensuring consistent handling and ride comfort. It utilizes a multi-link design, which allows for independent wheel movement and improved traction. This section details the components and their functions.
Rear Suspension
The rear suspension system of the Buick Regal is engineered to complement the front suspension, ensuring consistent handling and ride comfort. It utilizes a multi-link design, which allows for independent wheel movement and improved traction. This section details the components and their functions.
Multi-Link Suspension
- Features multiple control arms for precise wheel control
- Allows independent wheel movement for better ride quality
- Includes coil springs and shock absorbers
- Designed to minimize road noise and vibration
Stabilizer Bar
- Connects both rear wheels to reduce body roll
- Enhances stability during high-speed maneuvers
- Mounted with rubber bushings for noise reduction
- Diameter varies based on vehicle configuration
Shock Absorbers and Dampers
Shock absorbers and dampers play a crucial role in the Buick Regal's suspension system by controlling the motion of the springs and ensuring a smooth ride. This section covers the types of shocks used, their performance characteristics, and maintenance tips.
Shock Absorbers and Dampers
Shock absorbers and dampers play a crucial role in the Buick Regal's suspension system by controlling the motion of the springs and ensuring a smooth ride. This section covers the types of shocks used, their performance characteristics, and maintenance tips.
Hydraulic Shock Absorbers
- Standard on all trim levels
- Provides consistent damping force
- Designed for durability and long service life
- Requires periodic inspection for leaks or wear
Electronic Dampers (Optional)
- Available on higher trim levels
- Adjusts damping force based on driving conditions
- Enhances both comfort and sporty handling
- Controlled via the vehicle's drive mode selector
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Component Specifications
Overview
- Type
- Independent MacPherson Strut Front, Four-Link Independent Rear
- Configuration
- Front and Rear Independent Suspension
- Platform
- GM Epsilon II
- Material
- High-strength Steel and Aluminum
- Location
- Front and Rear Axles
Dimensions
- Front Strut Length
- 22.5 inches (571.5 mm)
- Rear Shock ABSorber Length
- 20.3 inches (515.6 mm)
- Front Spring Outer Diameter
- 5.7 inches (144.8 mm)
- Rear Spring Outer Diameter
- 5.1 inches (129.5 mm)
- Front Stabilizer Bar Diameter
- 1.1 inches (27.9 mm)
- Rear Stabilizer Bar Diameter
- 0.8 inches (20.3 mm)
- Wheel Travel Front
- 6.3 inches (160 mm)
- Wheel Travel Rear
- 5.9 inches (150 mm)
Materials
- Springs
- SAE 9254 Steel Alloy
- Shock ABSorbers
- High-strength Steel with Chromium Plating
- Control Arms
- Forged Aluminum
- Bushings
- Synthetic Rubber with Nylon Reinforcement
- Stabilizer Bar
- Carbon Steel with Protective Coating
Features
- Performance
-
- Sport-tuned Suspension (GS models)
- Continuous Damping Control (CDC) available
- Variable Effort Steering
- Stabilizer Bars Front and Rear
- Adjustability
-
- Driver Selectable Suspension Modes
- Electronic Stability Control
- Traction Control System
- Ride Height Adjustment (aftermarket)
- Durability
-
- Corrosion-resistant Coating
- Sealed Bearings
- Heavy-duty Bushings
- Reinforced Mounting Points
- Comfort
-
- Hydraulic Bushings
- Isolated Subframe
- Progressive Rate Springs
- Twin-tube Shock Absorbers
- Technology
-
- Electronic Power Steering
- Active Suspension Control
- Wheel Speed Sensors
- Yaw Rate Sensors
Safety Features
- Stability
-
- Electronic Stability Control
- Traction Control
- Anti-lock Braking System Integration
- Structural
-
- Reinforced Subframe
- High-strength Steel Components
- Crash-absorbing Mounts
- Handling
-
- Variable Effort Steering
- Active Suspension Damping
- Torque Vectoring Control
Comfort Features
- Vibration Reduction
-
- Hydraulic Engine Mounts
- Isolated Subframe
- Dynamic Damping Control
- Noise Reduction
-
- Acoustic Insulation
- Sealed Bearings
- Low-noise Bushings
- Ride Quality
-
- Progressive Rate Springs
- Twin-tube Shock Absorbers
- Variable Damping Control
- Adjustability
-
- Driver Selectable Suspension Modes
- Adaptive Suspension Settings
- Comfort-oriented Tuning
Accessories
- Performance
-
- Lowering Springs
- Performance Struts
- Adjustable Coilovers
- Sway Bar Upgrade Kits
- Maintenance
-
- Suspension Lubrication Kits
- Bushing Replacement Kits
- Strut Mount Replacements
- Alignment Kits
- Protection
-
- Suspension Covers
- Underbody Protection Plates
- Corrosion Prevention Sprays
- Dust Boots
Maintenance
- Service interval
- Every 50,000 miles or 5 years
- Service Items
-
- Inspect Shock Absorbers
- Check Bushings for Wear
- Lubricate Suspension Components
- Verify Alignment
- Inspect Suspension Mounts
- Maintenance Notes
- More frequent inspections may be required for vehicles driven in harsh conditions or with performance modifications
Warranty
- Basic
- 3 years or 36,000 miles
- Powertrain
- 5 years or 60,000 miles
- Corrosion
- 6 years or 100,000 miles
- Emissions
- 8 years or 80,000 miles
- Warranty Terms
- Covers defects in materials and workmanship, excluding normal wear items like bushings and shock absorbers
Production Details
- Manufacturer
- GM Manufacturing
- Manufacturing Process
-
- Precision Forging
- Heat Treatment
- Robotic Welding
- Computer-controlled Assembly
- Quality Control
- Testing: Durability Testing, Vibration Analysis, Material Strength VerificationStandards: ISO 9001 Certification, GM Global Quality Standards, TS16949 Certification
- Sustainability
-
- Recycled Steel Content
- Energy-efficient Manufacturing
- Waste Reduction Programs
- Low-emission Coating Processes
- Production Metrics
- Daily Output: 1200 unitsDefect Rate: Less than 0.5%Production Time: 2.5 hours per unit
Service Information for Suspension Service
Maintenance and service requirements specific to suspension components
- Inspect shock absorbers for leaks
- Check suspension bushings for wear
- Verify wheel alignment
- Inspect stabilizer bar links
- Check suspension mounting points
Additional inspection recommended for vehicles driven on rough roads
- Replace shock absorbers if needed
- Lubricate suspension components
- Check and replace bushings if necessary
- Inspect suspension springs
- Verify subframe mounting integrity
Use only manufacturer-recommended lubricants and replacement parts
- Complete suspension overhaul recommended
- Replace all bushings and mounts
- Inspect and replace control arms if needed
- Check and replace stabilizer bar links
- Perform full wheel alignment
Critical to inspect all suspension components at this interval for safety
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 2011-2017 Buick Regal suspension system?
What are the technical specifications of the 2011-2017 Buick Regal suspension system?
The 2011-2017 Buick Regal features a MacPherson strut front suspension and a multi-link independent rear suspension. The system is designed for a balance of comfort and handling, with specific spring rates and damping characteristics tailored to the vehicle's weight distribution. The front suspension includes a 22mm stabilizer bar, while the rear features a 18mm stabilizer bar. The suspension is compatible with 17-inch to 20-inch wheels, depending on the trim level and options.
Q2 What maintenance is required for the suspension system?
What maintenance is required for the suspension system?
Regular maintenance for the 2011-2017 Buick Regal suspension includes inspecting the struts, shocks, and bushings every 15,000 miles. The stabilizer links and ball joints should be checked for wear every 30,000 miles. It is also recommended to have the suspension aligned every 12,000 miles or when new tires are installed. Additionally, the suspension fluid should be inspected for leaks and contamination during routine service intervals.
Q3 How do I replace a worn-out suspension component?
How do I replace a worn-out suspension component?
To replace a suspension component, start by raising the vehicle on a lift and removing the wheel. For front suspension, remove the caliper and rotor, then disconnect the stabilizer link and steering knuckle. Use a spring compressor to remove the strut assembly. For rear suspension, remove the wheel, caliper, and rotor, then disconnect the control arms and toe links. Replace the worn component and reverse the steps. Always use proper tools and follow safety procedures.
Q4 What are common issues with the suspension system?
What are common issues with the suspension system?
Common issues with the 2011-2017 Buick Regal suspension include worn-out struts and shocks, which can cause a bouncy ride. Another issue is loose or worn stabilizer links, leading to clunking noises. Additionally, ball joint wear can cause uneven tire wear and vibration. If the vehicle pulls to one side, it may indicate an alignment issue or a damaged control arm. Always inspect the suspension for leaks or damage if unusual noises or handling issues arise.
Q5 How can I optimize the suspension performance for better handling?
How can I optimize the suspension performance for better handling?
To optimize the suspension performance of the 2011-2017 Buick Regal, consider upgrading to performance springs and sway bars, which reduce body roll and improve cornering stability. Ensure proper wheel alignment and tire pressure for optimal grip and handling. For sportier driving, aftermarket shocks with adjustable damping can be installed. Additionally, maintaining the correct ride height and inspecting suspension components regularly will ensure the system performs as intended.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2011-2017 Buick Regal Service Manual
Coming SoonComprehensive manual covering technical specifications, maintenance schedules, and repair procedures for the suspension system.
Suspension Technical Bulletin #123456
Coming SoonOfficial technical bulletin addressing common suspension issues, updates, and repair recommendations for the 2011-2017 Buick Regal.
Buick Regal Suspension Parts Catalog
Coming SoonDetailed catalog of genuine GM parts for the suspension system, including struts, shocks, and stabilizer bars.
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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.
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