Buick Terraza 2005-2007 Emissions & Sensors Specifications
Detailed technical specifications for the emissions sensors in 2005-2007 Buick Terraza models, including oxygen sensors and catalytic converters. Essential for maintenance, repair, and diagnostic procedures.
Overview Specifications
This document provides detailed specifications and technical information about the emissions sensors in the 2005-2007 Buick Terraza. It is designed to help users understand the functionality, components, and maintenance of the emissions system. Use this guide to locate specific information, troubleshoot issues, and ensure optimal performance of the vehicle's emissions sensors. The document is organized into sections and subsections for easy navigation and quick reference.
How to Use
Use the search function to quickly locate specific terms or components related to the emissions sensors. Enter keywords such as 'O2 sensor' or 'catalytic converter' to find relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled with a title and contains detailed subsections for focused information.
Key Specifications
O2 Sensor Voltage Range
0.1-0.9 V
Catalytic Converter Efficiency
≥ 95%
Sensor Replacement Interval
60,000-90,000 miles
Operating Temperature Range
-40°C to 800°C
Response Time
< 0.1 seconds
Available Specifications
Emissions Sensor Types
This section outlines the different types of emissions sensors used in the 2005-2007 Buick Terraza. It covers their functions, locations, and roles in reducing harmful emissions.
Emissions Sensor Types
This section outlines the different types of emissions sensors used in the 2005-2007 Buick Terraza. It covers their functions, locations, and roles in reducing harmful emissions.
Oxygen (O2) Sensors
- Monitors oxygen levels in the exhaust gases
- Located upstream and downstream of the catalytic converter
- Helps optimize the air-fuel ratio
- Signals the engine control module (ECM) for adjustments
- Typically lasts 60,000-90,000 miles
- Symptoms of failure include poor fuel economy and increased emissions
Catalytic Converter Sensors
- Monitors the efficiency of the catalytic converter
- Detects harmful emissions like CO and NOx
- Located near the exhaust manifold
- Works in conjunction with O2 sensors
- Reduces pollutants to meet emission standards
- Failure can trigger the check engine light
Maintenance and Troubleshooting
This section provides guidance on maintaining and troubleshooting emissions sensors in the Buick Terraza. It includes tips for inspection, cleaning, and replacement.
Maintenance and Troubleshooting
This section provides guidance on maintaining and troubleshooting emissions sensors in the Buick Terraza. It includes tips for inspection, cleaning, and replacement.
Inspection Procedures
- Check for physical damage or corrosion
- Inspect wiring and connectors for wear
- Use a diagnostic scanner to read error codes
- Verify sensor response times
- Test voltage and resistance levels
- Ensure proper installation and alignment
Replacement Guidelines
- Replace sensors at recommended intervals
- Use OEM or equivalent quality parts
- Disconnect the battery before replacement
- Follow torque specifications for installation
- Clear error codes after replacement
- Test the system for proper operation
Performance and Efficiency
This section explains how emissions sensors contribute to the vehicle's performance and fuel efficiency. It highlights the impact of well-functioning sensors on engine operation.
Performance and Efficiency
This section explains how emissions sensors contribute to the vehicle's performance and fuel efficiency. It highlights the impact of well-functioning sensors on engine operation.
Impact on Fuel Economy
- Optimizes air-fuel mixture for combustion
- Reduces fuel wastage and improves mileage
- Prevents engine misfires and rough idling
- Ensures compliance with emission standards
- Enhances overall engine performance
- Minimizes carbon buildup in the engine
Environmental Benefits
- Reduces harmful emissions like CO2 and NOx
- Helps meet environmental regulations
- Promotes cleaner air and reduced pollution
- Supports sustainable driving practices
- Extends the life of the catalytic converter
- Improves the vehicle's carbon footprint
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Component Specifications
Overview
- Type
- Oxygen Sensor (O2)
- Configuration
- Upstream and Downstream
- Platform
- Buick Terraza 2005-2007
- Material
- Zirconia Ceramic
- Location
- Exhaust Manifold and Catalytic Converter
Dimensions
- Length
- 2.5 inches (6.35 cm)
- Diameter
- 0.75 inches (1.9 cm)
- Thread Size
- M18 x 1.5
- Wire Length
- 12 inches (30.48 cm)
- Operating Temperature
- 300°F to 1500°F (149°C to 816°C)
- Voltage Output
- 0.1V to 0.9V
- Response Time
- 0.1 seconds
Materials
- Sensing Element
- Zirconia Ceramic
- Housing
- Stainless Steel
- Wiring
- PTFE Insulated Copper
- Seal
- PTFE Gasket
Features
- Performance
-
- Fast response time
- High accuracy
- Wide operating temperature range
- Durability
-
- Corrosion-resistant housing
- Thermal shock resistance
- Long service life
- Compatibility
-
- Direct-fit for Buick Terraza
- OEM specifications
- Universal wiring harness
- installation
-
- Threaded design
- Plug-and-play connector
- No calibration required
- Safety
-
- Overheat protection
- Short-circuit protection
- Waterproof design
Safety Features
- Electrical
-
- Insulated wiring
- Short-circuit protection
- Thermal
-
- High-temperature resistance
- Thermal shock protection
- Environmental
-
- Waterproof design
- Corrosion resistance
Comfort Features
- Ease Of Use
-
- Plug-and-play installation
- No calibration needed
- Noise Reduction
-
- Vibration dampening
- Quiet operation
- Maintenance
-
- Easy to access
- Simple replacement process
- Reliability
-
- Consistent performance
- Long service life
Accessories
- Wiring
-
- Extension harness
- Heat shield sleeve
- Connector kit
- Tools
-
- O2 sensor socket
- Thread chaser
- Torque wrench
- Replacement Parts
-
- PTFE gasket
- Anti-seize compound
- Wire loom
Maintenance
- Service interval
- Every 60,000 miles
- Service Items
-
- Inspect sensor for damage
- Check wiring integrity
- Test voltage output
- Clean sensor threads
- Replace if faulty
- Maintenance Notes
- Use anti-seize compound during installation to prevent thread damage.
Warranty
- Parts
- Miles: 60,000Years: 5Coverage: Defects in materials or workmanship
- Labor
- Miles: 12,000Years: 1Coverage: Installation errors
- Performance
- Miles: 100,000Years: 7Coverage: Sensor accuracy
- Terms
- Warranty void if sensor is damaged during installation or used in non-OEM applications.
Production Details
- Manufacturer
- Delphi Technologies
- Manufacturing Process
-
- Ceramic element sintering
- Stainless steel machining
- Automated assembly
- Quality Control
- Testing: Voltage output, Response time, Thermal cyclingStandards: ISO 9001, OEM specifications
- Sustainability Practices
-
- Recycled materials
- Energy-efficient production
- Waste reduction
- Production Metrics
-
- Annual output: 1 million units
- Defect rate: < 0.1%
- Lead time: 2 weeks
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect sensor for physical damage
- Check wiring for wear or corrosion
- Test voltage output
- Clean sensor threads
- Verify proper installation
Ensure sensor is securely tightened to manufacturer specifications.
- Replace sensor if voltage output is out of range
- Inspect wiring harness for damage
- Test response time
- Check for exhaust leaks
- Apply anti-seize compound if reinstalling
Use a torque wrench to avoid over-tightening the sensor.
- Replace sensor as preventive maintenance
- Inspect catalytic converter condition
- Test exhaust system for efficiency
- Check for error codes
- Perform system reset if necessary
Replacement recommended even if sensor appears functional to maintain optimal performance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications and compatibility of the emissions sensors for the 2005-2007 Buick Terraza?
What are the technical specifications and compatibility of the emissions sensors for the 2005-2007 Buick Terraza?
The 2005-2007 Buick Terraza uses specific emissions sensors, including oxygen sensors (e.g., GM part number 251-1531) and coolant temperature sensors. These sensors are compatible with the 3.5L and 3.9L engines. Ensure replacement parts meet OEM specifications for optimal performance.
Q2 What are the maintenance requirements for the emissions sensors?
What are the maintenance requirements for the emissions sensors?
Emissions sensors should be inspected every 30,000 miles. Check for damage or corrosion and replace as needed. Oxygen sensors typically need replacement every 100,000 miles. Follow the recommended maintenance schedule in the service manual.
Q3 How do I install or replace an emissions sensor?
How do I install or replace an emissions sensor?
To replace an emissions sensor, locate it near the exhaust manifold. Use a wrench to remove the old sensor, install the new one, and tighten to 30 ft-lbs. For other sensors, consult the service manual. After installation, reset the ECU and clear any trouble codes.
Q4 How do I troubleshoot common issues with the emissions sensors?
How do I troubleshoot common issues with the emissions sensors?
If the check engine light appears, use an OBD-II scanner to retrieve codes. Inspect sensors for damage, check wiring for faults, and test with a multimeter. If issues persist, consult a professional mechanic for advanced diagnostics.
Q5 How can I optimize the performance of the emissions sensors?
How can I optimize the performance of the emissions sensors?
Regularly clean sensors and ensure the fuel injection system is functioning properly. Use high-quality fuel to prevent contamination. For advanced optimization, consult a certified mechanic for detailed diagnostics and adjustments.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Buick Terraza Emissions Sensor Service Manual
Coming SoonThis manual provides detailed specifications, installation procedures, and troubleshooting for emissions sensors in the 2005-2007 Buick Terraza.
Technical Service Bulletin - Emissions Sensor Update
Coming SoonThis bulletin outlines updates and improvements for emissions sensor performance and reliability in the 2005-2007 Buick Terraza.
Emissions Sensor Parts Catalog
Coming SoonThis catalog lists genuine GM parts for emissions sensors, including part numbers and compatibility information for the 2005-2007 Buick Terraza.
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