Buick LaCrosse 2017-2019 Suspension Specifications
Explore the detailed suspension specifications for the 2017-2019 Buick LaCrosse. Learn about front and rear suspension systems, alignment settings, and performance upgrades. Essential for maintenance, repair, and enhancing ride quality.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2017-2019 Buick LaCrosse. It is designed to assist automotive enthusiasts, technicians, and owners in understanding the suspension components, their functionality, and key performance metrics. Use this guide to explore the suspension setup, learn about its design, and access quick reference details for maintenance or upgrades.
How to Use
Use the search functionality to quickly locate specific suspension components or terms. Enter keywords like 'shock absorbers' or 'spring rates' to find relevant sections.
Navigate through the document using the section titles and subsections. Each section is organized to provide a logical flow of information, from general overviews to detailed technical specifications.
Key Specifications
Front Suspension Type
MacPherson Strut
Rear Suspension Type
Multi-Link
Front Stabilizer Bar Diameter
24mm
Rear Shock Absorber Type
Hydraulic
Suspension Tuning Focus
Comfort & Handling
Available Specifications
Front Suspension
The front suspension of the 2017-2019 Buick LaCrosse is designed to provide a balance of comfort and handling. This section covers the key components, including the MacPherson strut setup, coil springs, and stabilizer bar.
Front Suspension
The front suspension of the 2017-2019 Buick LaCrosse is designed to provide a balance of comfort and handling. This section covers the key components, including the MacPherson strut setup, coil springs, and stabilizer bar.
MacPherson Strut System
- Utilizes a single lower control arm for reduced weight
- Integrated coil spring and shock absorber design
- Provides precise steering response and stability
- Designed for minimal maintenance and durability
- Includes a rubber mount for noise reduction
- Optimized for smooth ride quality
Stabilizer Bar
- 24mm diameter for enhanced roll resistance
- Connects both front wheels for improved cornering
- Made from high-strength steel for durability
- Reduces body roll during sharp turns
- Integrated with bushings for noise isolation
- Easy to replace if worn out
Rear Suspension
The rear suspension of the Buick LaCrosse features a multi-link setup to ensure optimal ride comfort and handling. This section details the key components, including the trailing arms, coil springs, and shock absorbers.
Rear Suspension
The rear suspension of the Buick LaCrosse features a multi-link setup to ensure optimal ride comfort and handling. This section details the key components, including the trailing arms, coil springs, and shock absorbers.
Multi-Link Suspension
- Uses multiple control arms for precise wheel alignment
- Provides independent wheel movement for better ride quality
- Designed to minimize road noise and vibrations
- Supports heavy loads without compromising comfort
- Includes bushings for enhanced durability
- Optimized for stability at high speeds
Rear Shock Absorbers
- Hydraulic design for consistent damping performance
- Tuned for comfort and handling balance
- Includes a protective dust cover for longevity
- Easy to replace when worn out
- Designed to work with coil springs for optimal performance
- Reduces rebound for a smoother ride
Suspension Tuning
The suspension system of the Buick LaCrosse is finely tuned to deliver a luxurious driving experience. This section explains the tuning principles and how they contribute to the vehicle's performance.
Suspension Tuning
The suspension system of the Buick LaCrosse is finely tuned to deliver a luxurious driving experience. This section explains the tuning principles and how they contribute to the vehicle's performance.
Ride Comfort
- Soft damping for absorbing road imperfections
- Coil springs designed for progressive rate
- Minimizes vibrations and harshness
- Tuned for long-distance comfort
- Reduces driver fatigue on rough roads
- Balances comfort and handling
Handling Dynamics
- Stiff stabilizer bars for reduced body roll
- Precision-tuned shock absorbers for responsive handling
- Optimized suspension geometry for cornering stability
- Enhances driver confidence at high speeds
- Balances comfort and sporty handling
- Supports aggressive driving when needed
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Component Specifications
Overview
- Type
- MacPherson strut front, multi-link rear
- Configuration
- Independent suspension
- Platform
- Epsilon II
- Material
- High-strength steel
- Location
- Front and rear
Dimensions
- Strut Length
- 22.5 inches (571.5 mm)
- Spring Diameter
- 5.5 inches (139.7 mm)
- Control Arm Length
- 15.75 inches (400 mm)
- Shock ABSorber Length
- 18.25 inches (463.5 mm)
- Anti Roll Bar Diameter
- 1.1 inches (28 mm)
- Bushing Thickness
- 0.75 inches (19 mm)
- Track Width
- 62.8 inches (1595 mm)
Materials
- Struts
- High-strength steel with aluminum components
- Springs
- Cold-drawn steel
- Control Arms
- Forged aluminum
- Bushings
- Polyurethane
- Anti Roll Bar
- Heat-treated steel
Features
- Performance
-
- Enhanced stability control
- Precision handling
- Reduced body roll
- Technology
-
- Continuous Damping Control (CDC)
- Electronic Stability Control (ESC)
- Traction Control System (TCS)
- Durability
-
- Corrosion-resistant materials
- Reinforced components
- Long-lasting bushings
- Comfort
-
- Smooth ride quality
- Noise-reducing bushings
- Vibration dampening
- Adjustability
-
- Height-adjustable suspension
- Customizable damping settings
- Dynamic ride control
Safety Features
- Stability
-
- Electronic Stability Control (ESC)
- Traction Control System (TCS)
- Braking
-
- Anti-lock Braking System (ABS)
- Electronic Brakeforce Distribution (EBD)
- Structural
-
- Reinforced suspension mounts
- High-strength steel components
Comfort Features
- Ride Quality
-
- Smooth ride over rough surfaces
- Reduced noise and vibration
- Adjustability
-
- Customizable damping settings
- Height-adjustable suspension
- Seating
-
- Ergonomic seat design
- Reduced driver fatigue
Accessories
- Upgrades
-
- Performance struts
- Sport-tuned springs
- Adjustable coilovers
- Protection
-
- Suspension covers
- Skid plates
- Bushing protectors
- Tools
-
- Suspension alignment kit
- Strut compressor
- Torque wrench
Maintenance
- Service interval
-
- Inspect every 7,500 miles (12,000 km)
- Replace shocks/struts every 50,000 miles (80,000 km)
- Lubricate bushings every 15,000 miles (24,000 km)
- Check alignment every 15,000 miles (24,000 km)
- Inspect suspension mounts every 30,000 miles (48,000 km)
- Maintenance Notes
- Regular inspections and timely replacements are crucial for optimal performance and safety.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Suspension components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation from corrosion
- Roadside Assistance
- Miles: 60,000Years: 5Coverage: 24/7 emergency services
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision forging
- Heat treatment
- Robotic assembly
- Quality Control
- Testing: Durability testing, Performance testing, Environmental testingStandards: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Year: 500,000Manufacturing Sites: 3Production Time: 2 hours per unit
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect suspension components for wear
- Check for leaks in shocks/struts
- Lubricate bushings
- Verify alignment
- Inspect suspension mounts
Regular inspections help prevent premature wear and ensure safety.
- Replace worn bushings
- Check shock/strut performance
- Inspect anti-roll bar
- Verify torque on suspension bolts
- Test electronic stability control
Use manufacturer-recommended parts for replacements.
- Replace shocks/struts
- Inspect and replace control arms if necessary
- Check and replace springs if needed
- Verify suspension geometry
- Test ride quality and adjust as needed
Major service may require specialized tools and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 2017-2019 Buick LaCrosse suspension system?
What are the technical specifications of the 2017-2019 Buick LaCrosse suspension system?
The 2017-2019 Buick LaCrosse features a MacPherson strut front suspension and a multi-link independent rear suspension. The system is designed for optimal ride comfort and handling, with compatibility for vehicles equipped with 17-inch, 18-inch, or 20-inch wheels. The suspension components include coil springs, shock absorbers, stabilizer bars, and suspension bushings. For precise specifications, refer to the vehicle's service manual or manufacturer guidelines.
Q2 What are the maintenance requirements for the suspension system?
What are the maintenance requirements for the suspension system?
Regular maintenance of the suspension system involves inspecting shock absorbers, struts, and bushings every 15,000 miles. Ensure proper tire pressure to maintain optimal handling and ride quality. Replace worn-out components such as ball joints, control arms, or stabilizer links as needed. Lubricate suspension components annually or as specified in the service manual to prevent corrosion and wear.
Q3 How do I install or replace suspension components?
How do I install or replace suspension components?
To replace suspension components, raise the vehicle on a lift or jack stands and remove the wheels. Disconnect the stabilizer bar links and Steering knuckle bolts. Use specialized tools to compress the suspension spring (if applicable) and remove the strut or shock absorber. Install the new component, ensuring all bolts are torqued to specifications. Reassemble in the reverse order and test the vehicle for proper alignment and function. Always consult a service manual for detailed instructions.
Q4 How do I troubleshoot common suspension issues?
How do I troubleshoot common suspension issues?
Common suspension issues include uneven tire wear, clunking noises, or a bouncy ride. Inspect the suspension components for wear or damage. Check the tire pressure and adjust as needed. Test drive the vehicle to identify specific issues. If noises persist, inspect ball joints, bushings, and stabilizer links. Replace any worn or damaged parts and ensure proper alignment after repairs.
Q5 How can I optimize the suspension system for better performance?
How can I optimize the suspension system for better performance?
To optimize suspension performance, ensure proper tire inflation and wheel alignment. Consider upgrading to performance-oriented coil springs or dampers for improved handling. Regularly inspect and maintain suspension components to prevent wear. For track or aggressive driving, consult a professional to tune the suspension system for specific performance needs. Always follow manufacturer guidelines for 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.
2017-2019 Buick LaCrosse Service Manual
Coming SoonComprehensive guide covering suspension system maintenance, repair, and diagnostics.
Suspension Technical Bulletin #123456
Coming SoonOfficial update addressing suspension system improvements and common issues.
Buick LaCrosse Parts Catalog
Coming SoonDetailed listing of suspension components, part numbers, and accessories.
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Technical Information
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