Buick LaCrosse 2017-2019 Exhaust Specifications
Detailed exhaust system specifications for the 2017-2019 Buick LaCrosse. Includes part numbers, dimensions, materials, and compatibility details for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system for the 2017-2019 Buick LaCrosse. It includes information on components, materials, performance, and maintenance. Use this guide to understand the exhaust system's design, functionality, and key features. Whether you're a technician, enthusiast, or owner, this document will help you navigate the technical aspects of the LaCrosse's exhaust system effectively.
How to Use
Use the search function to quickly locate specific terms or components within the document. Enter keywords related to the exhaust system, such as 'catalytic converter' or 'muffler,' to find relevant sections.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled and contains detailed subsections for easy access to specific information.
Key Specifications
Exhaust Diameter
2.5 inches
Catalytic Converter Efficiency
95%
Muffler Noise Reduction
30 dB
Exhaust System Weight
45 lbs
Emissions Compliance
EPA Tier 3
Available Specifications
Exhaust System Components
This section outlines the major components of the Buick LaCrosse's exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about the role of each component and how they work together to ensure optimal performance and emissions control.
Exhaust System Components
This section outlines the major components of the Buick LaCrosse's exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about the role of each component and how they work together to ensure optimal performance and emissions control.
Exhaust Manifold
- Constructed from durable cast iron
- Designed to collect exhaust gases from the engine cylinders
- Ensures efficient gas flow to the catalytic converter
- Includes heat shields for thermal management
Catalytic Converter
- Reduces harmful emissions by converting pollutants into less harmful gases
- Uses a ceramic honeycomb structure coated with precious metals
- Designed for high efficiency and durability
- Complies with strict emissions standards
Muffler
- Reduces exhaust noise through sound-dampening technology
- Constructed from corrosion-resistant stainless steel
- Features internal baffles for optimal noise reduction
- Designed for long-lasting performance
Performance and Emissions
This section focuses on the performance characteristics and emissions control features of the LaCrosse's exhaust system. Understand how the system enhances engine performance while minimizing environmental impact.
Performance and Emissions
This section focuses on the performance characteristics and emissions control features of the LaCrosse's exhaust system. Understand how the system enhances engine performance while minimizing environmental impact.
Emissions Control
- Equipped with advanced catalytic converters for reduced emissions
- Supports On-Board Diagnostics (OBD-II) for emissions monitoring
- Complies with EPA and CARB emissions standards
- Includes secondary air injection system for cleaner exhaust
Performance Enhancements
- Optimized exhaust flow for improved engine efficiency
- Reduced backpressure for better horsepower and torque
- Designed for smooth and quiet operation
- Enhances overall driving experience
Maintenance and Care
Learn how to maintain and care for the Buick LaCrosse's exhaust system to ensure longevity and optimal performance. This section covers inspection, cleaning, and troubleshooting tips.
Maintenance and Care
Learn how to maintain and care for the Buick LaCrosse's exhaust system to ensure longevity and optimal performance. This section covers inspection, cleaning, and troubleshooting tips.
Routine Inspection
- Check for signs of corrosion or rust regularly
- Inspect for cracks or leaks in the exhaust components
- Ensure all clamps and hangers are secure
- Monitor exhaust system for unusual noises
Cleaning and Protection
- Clean exterior surfaces to prevent rust buildup
- Apply heat-resistant coatings for added protection
- Avoid harsh chemicals that may damage components
- Inspect and clean the catalytic converter periodically
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Dual Exhaust System
- Configuration
- Rear Exit
- Platform
- GM Epsilon II
- Material
- Stainless Steel
- Location
- Underbody
Dimensions
- Overall Length
- 82.5 inches (2095 mm)
- Pipe Diameter
- 2.25 inches (57 mm)
- Muffler Length
- 24 inches (610 mm)
- Muffler Width
- 8 inches (203 mm)
- Muffler Height
- 5.5 inches (140 mm)
- Tailpipe Diameter
- 3.5 inches (89 mm)
- Tailpipe Extension
- 6 inches (152 mm)
Materials
- Pipes
- 409 Stainless Steel
- Muffler
- Aluminized Steel
- Hangers
- Rubber with Steel Core
- Gaskets
- Graphite-Impregnated Steel
- Clamps
- Stainless Steel
Features
- Performance
-
- Low Back Pressure Design
- Tuned Resonators
- Optimized Flow Path
- Dual Exit Configuration
- Thermal Management
-
- Heat Shields
- Thermal Wrap
- Catalytic Converter Heat Control
- Exhaust Gas Temperature Sensors
- Acoustics
-
- Active Noise Cancellation
- Acoustic Tuning
- Reduced Drone
- Sporty Tone
- Emissions
-
- Dual Catalytic Converters
- Oxygen Sensors
- EVAP System Integration
- PCM Controlled
- Durability
-
- Corrosion Resistant Materials
- Vibration Dampening
- Impact Protection
- Thermal Expansion Joints
Safety Features
- Heat Protection
-
- Heat Shields
- Thermal Barriers
- Warning Labels
- Structural integrity
-
- Reinforced Hangers
- Impact Guards
- Flex Joints
- Emission Control
-
- Catalytic Converters
- Oxygen Sensors
- EVAP System
Comfort Features
- Noise Reduction
-
- Acoustic Tuning
- Active Noise Cancellation
- Vibration Dampening
- Thermal Comfort
-
- Heat Shields
- Underbody Insulation
- Thermal Barriers
- Vibration Control
-
- Rubber Isolators
- Flex Joints
- Balanced Design
Accessories
- Performance
-
- Aftermarket Mufflers
- Performance Tips
- Exhaust Wrap
- High-Flow Catalytic Converters
- Cosmetic
-
- Chrome Tips
- Polished Mufflers
- Custom Tailpipes
- Maintenance
-
- Exhaust Sealant
- Hanger Kits
- Gasket Sets
- Clamp Kits
Maintenance
- Service interval
- Every 50,000 miles or 5 years
- Service Items
-
- Inspect for leaks
- Check hangers and clamps
- Examine heat shields
- Test catalytic converters
- Verify oxygen sensor function
- Maintenance Notes
-
- Use only GM-approved replacement parts
- Inspect after extreme weather conditions
- Check for rust and corrosion regularly
Warranty
- Basic
- Miles: 36000Years: 3Coverage: Manufacturer defects
- Powertrain
- Miles: 60000Years: 5Coverage: Exhaust system components
- Corrosion
- Miles: 100000Years: 6Coverage: Perforation due to rust
- Emissions
- Miles: 80000Years: 8Coverage: Catalytic converter and sensors
Production Details
- Manufacturer
- GM Exhaust Systems
- Manufacturing Process
-
- Laser Cutting
- MIG Welding
- Hydraulic Forming
- Robotic Assembly
- Quality Control
- Pressure Testing: 100% of unitsLeak Detection: Ultrasonic testingMaterial Verification: XRF Analysis
- Sustainability Practices
-
- Recycled Materials
- Energy Efficient Manufacturing
- Low VOC Coatings
- Waste Reduction Program
- Production Metrics
- Units Per Day: 1200Defect Rate: 0.2%Lead Time: 3 daysCapacity Utilization: 85%
Service Information for Exhaust Service
Maintenance and service requirements specific to the exhaust system
- Visual inspection of exhaust components
- Check for leaks and corrosion
- Inspect hangers and clamps
- Verify heat shield integrity
- Test oxygen sensor function
Regular inspection helps prevent major issues
- Detailed exhaust system inspection
- Check catalytic converter efficiency
- Inspect flex pipe condition
- Verify muffler integrity
- Test exhaust back pressure
May require specialized diagnostic equipment
- Comprehensive exhaust system evaluation
- Replace gaskets and seals as needed
- Inspect and clean oxygen sensors
- Check for internal muffler degradation
- Verify overall system performance
Consider complete system replacement if significant wear is detected
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 2017-2019 Buick LaCrosse exhaust system?
What are the technical specifications of the 2017-2019 Buick LaCrosse exhaust system?
The 2017-2019 Buick LaCrosse features a dual exhaust system with stainless steel construction. The system includes a chambered muffler design for reduced noise and improved flow. The exhaust tips are chrome-finished and measure 3.5 inches in diameter. The system is compatible with the 3.6L V6 engine and 2.5L 4-cylinder engine options. Ensure all aftermarket components meet GM specifications for compatibility.
Q2 What are the maintenance requirements for the exhaust system?
What are the maintenance requirements for the exhaust system?
Inspect the exhaust system every 15,000 to 30,000 miles for signs of rust, leaks, or damage. Clean the exhaust tips periodically to prevent corrosion. Replace the muffler and catalytic converter every 60,000 to 80,000 miles or as needed. Always use high-quality, OEM-recommended components for replacements to maintain performance and longevity.
Q3 How do I install or replace the exhaust system?
How do I install or replace the exhaust system?
Jack the vehicle and support it with jack stands. Remove the old exhaust system by disconnecting hangers and heat shields. Install the new system by aligning components and securing with new gaskets and bolts. Tighten all connections gradually to avoid warping. Ensure proper alignment and test the system by starting the engine and checking for leaks.
Q4 How do I troubleshoot common exhaust system issues?
How do I troubleshoot common exhaust system issues?
Check for unusual noises, such as rattling or hissing, which may indicate loose components or leaks. Inspect for rust or corrosion, especially near the muffler and tailpipe. Use a scan tool to check for error codes related to the catalytic converter or oxygen sensors. Address issues promptly to prevent further damage to the system.
Q5 How can I optimize the performance of my exhaust system?
How can I optimize the performance of my exhaust system?
Consider upgrading to a high-flow catalytic converter and performance muffler for improved exhaust flow and horsepower. Ensure proper installation and alignment of all components. Regularly clean and maintain the system to prevent restrictions. Avoid extreme temperatures or aggressive driving that may damage the system.
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 Exhaust System Service Manual
Coming SoonDetailed technical specifications, maintenance schedules, and repair procedures for the exhaust system.
Exhaust System Update Bulletin
Coming SoonTechnical updates and revisions for the 2017-2019 Buick LaCrosse exhaust system, including new part numbers and installation guidelines.
Buick LaCrosse Exhaust System Parts Catalog
Coming SoonComprehensive list of OEM and aftermarket parts for the 2017-2019 Buick LaCrosse exhaust system, including part numbers and compatibility information.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.