GMC Terrain 2018-present HVAC Specifications
GMC Terrain 2018-present

GMC Terrain 2018-present HVAC Specifications

Explore the detailed HVAC specifications for the 2018-Present GMC Terrain. Learn about system components, performance metrics, and technical details to optimize climate control, ensure proper maintenance, and enhance passenger comfort.

Updated

Overview Specifications

This document provides detailed HVAC specifications for the 2018-Present GMC Terrain. It covers key features, technical details, and usage instructions for the heating, ventilation, and air conditioning system. Whether you're a technician, owner, or enthusiast, this guide will help you understand and navigate the HVAC system efficiently. Use the search and navigation tips to quickly find the information you need.

How to Use

Use the search bar to find specific HVAC terms or features. Enter keywords like 'climate control' or 'airflow' to locate relevant sections quickly. Ensure your search terms are precise for accurate results.

Navigate through the document using the table of contents or section titles. Each major section is divided into subsections, making it easy to locate specific details about the HVAC system.

Key Specifications

Temperature Range

60°F to 90°F (15°C to 32°C)

Air Filter Type

HEPA Filter

Fan Speeds

3-speed manual

Replacement Interval

15,000-30,000 miles

Defrost Time

Under 5 minutes

Available Specifications

Climate Control System

This section covers the automatic and manual climate control features of the GMC Terrain. It includes details on temperature regulation, airflow distribution, and system modes.

Automatic Climate Control
  • Dual-zone automatic temperature control for driver and front passenger
  • Temperature range: 60°F to 90°F (15°C to 32°C)
  • Auto-recirculation mode for optimal air quality
  • Automatic defogging and defrosting features
Manual Climate Control
  • Three-speed fan control for precise airflow adjustments
  • Rotary dials for temperature and airflow direction
  • Rear-seat air vents for passenger comfort
  • Defogger and defroster controls integrated into the system

Air Filtration System

This section explains the air filtration and purification features of the GMC Terrain's HVAC system, focusing on cabin air quality and filter maintenance.

Cabin Air Filter
  • High-efficiency particulate air (HEPA) filter standard
  • Filters pollen, dust, and other airborne particles
  • Replaceable filter located behind the glove box
  • Recommended replacement interval: every 15,000 to 30,000 miles
Air Quality Sensors
  • Automatic detection of pollutants and odors
  • Auto-recirculation mode activated by sensors
  • Real-time air quality monitoring
  • Compatible with optional ionizer for enhanced purification

Heating and Cooling Performance

This section details the heating and cooling capabilities of the GMC Terrain's HVAC system, including engine integration and efficiency.

Heating System
  • Rapid heating using engine coolant circulation
  • Heated seats available as an optional feature
  • Defrosting capability for windshield and side windows
  • Energy-efficient operation to reduce fuel consumption
Cooling System
  • High-capacity compressor for quick cooling
  • Eco-mode for reduced energy usage
  • Adjustable air vents for targeted cooling
  • Compatible with remote start for pre-cooling

Component Specifications

Overview

Type
Automatic Climate Control
Configuration
Dual-Zone
Platform
GMC Terrain
Material
High-Density ABS Plastic
Location
Front and Rear Cabin

Dimensions

Compressor Length
8.5 inches / 21.59 cm
Compressor Width
6.2 inches / 15.75 cm
Compressor Height
6.7 inches / 17.02 cm
Condenser Length
22.8 inches / 57.91 cm
Condenser Width
12.4 inches / 31.5 cm
Evaporator Length
15.6 inches / 39.62 cm
Evaporator Width
8.3 inches / 21.08 cm

Materials

Compressor
Aluminum Alloy
Condenser
Aluminum with Corrosion-Resistant Coating
Evaporator
Aluminum with Anti-Microbial Coating
Ducting
High-Density ABS Plastic
Filters
Activated Carbon with HEPA Layer

Features

Climate Control
  • Dual-Zone Temperature Adjustment
  • Automatic Fan Speed Control
  • Air Quality Sensor
  • Defrost and Defog Functions
Air Distribution
  • Multi-Level Ventilation
  • Rear Seat Vents
  • Adjustable Airflow Direction
Technology
  • Touchscreen Interface
  • Remote Start Climate Control
  • Voice Command Integration
Energy Efficiency
  • Eco Mode
  • Auto Start/Stop Function
  • Low Power Consumption Compressor
Comfort
  • Heated Seats Integration
  • Steering Wheel Heating
  • Quiet Operation Mode

Safety Features

Overheat Protection
  • Automatic Shutdown
  • Temperature Sensors
Air Quality
  • Air Filtration System
  • CO2 and VOC Sensors
System Monitoring
  • Real-Time Diagnostics
  • Maintenance Alerts

Comfort Features

Temperature Control
Precision Dual-Zone
Airflow
Multi-Level Adjustable
Noise Reduction
Quiet Operation Mode
Humidity Control
Auto Defog and Defrost

Accessories

Filters
  • Cabin Air Filter
  • HEPA Filter
  • Activated Carbon Filter
Upgrades
  • Rear Climate Control Unit
  • Remote Start Module
  • Advanced Air Quality Sensor
Maintenance Tools
  • Diagnostic Scanner
  • Cleaning Kit
  • Refrigerant Recharge Kit

Maintenance

Service interval
12 months or 12,000 miles
Service Items
  • Inspect Compressor
  • Check Refrigerant Levels
  • Replace Cabin Air Filter
  • Clean Condenser
  • Test System Performance
Maintenance Notes
Use only manufacturer-approved refrigerant and components.

Warranty

Basic
Years: 3
Miles: 36000
Coverage: Parts and Labor
Powertrain
Years: 5
Miles: 60000
Coverage: Compressor and Condenser
Corrosion
Years: 6
Miles: 100000
Coverage: Corrosion-Related Repairs
Emissions
Years: 8
Miles: 80000
Coverage: Emission Control Components

Production Details

Manufacturer
General Motors
Manufacturing Process
  • Automated Assembly
  • Precision Machining
  • Quality Testing
Quality Control
Testing: Pressure Testing, Leak Detection, Performance Validation
Standards: ISO 9001 Certified
Sustainability Practices
  • Recyclable Materials
  • Energy-Efficient Production
  • Low-Emission Refrigerant
Production Metrics
Units Per Year: 500000
Defect Rate: 0.01%
Energy Consumption: 15 kWh per unit

Service Information for HVAC Service

Maintenance and service requirements specific to the HVAC system

12000
12
  • Inspect compressor for leaks
  • Check refrigerant levels
  • Replace cabin air filter
  • Clean condenser fins
  • Test system performance

Ensure proper refrigerant type and quantity are used.

30000
24
  • Inspect all hoses and connections
  • Check evaporator for blockages
  • Test air quality sensors
  • Verify climate control functionality

Use diagnostic tools for accurate sensor testing.

60000
60
  • Replace refrigerant
  • Inspect and clean all ducts
  • Check compressor clutch
  • Test system for efficiency

Major service requires specialized equipment and trained technicians.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the technical specifications for the HVAC system in the 2018-Present GMC Terrain?

The HVAC system in the 2018-Present GMC Terrain features a dual-zone automatic climate control system, compatible with R-134a refrigerant. It includes a cabin air filter, electric compressor, and a high-efficiency blower motor. The system is designed to work seamlessly with the vehicle's 2.0L turbocharged or 1.5L turbocharged engines. It supports both heating and cooling functions, ensuring optimal comfort in various weather conditions.

Q2

What are the maintenance requirements for the GMC Terrain's HVAC system?

Regular maintenance for the GMC Terrain's HVAC system includes replacing the cabin air filter every 15,000 to 30,000 miles, inspecting refrigerant levels annually, and checking for leaks in the system. The blower motor and compressor should be inspected during routine service intervals. Ensure the system is free of debris and that all vents are unobstructed for optimal performance.

Q3

How do I install or replace the cabin air filter in the GMC Terrain?

To replace the cabin air filter in the GMC Terrain, locate the filter housing behind the glove compartment. Open the glove compartment and remove the retaining screws or clips. Slide out the old filter and insert the new one, ensuring it is properly aligned. Reassemble the glove compartment and test the HVAC system to ensure proper airflow.

Q4

What should I do if the HVAC system in my GMC Terrain is not cooling properly?

If the HVAC system is not cooling, first check the refrigerant levels and look for any visible leaks. Inspect the cabin air filter for clogs and replace if necessary. Verify that the compressor is engaging and that all vents are open. If the issue persists, consult a certified technician for a thorough diagnostic and repair.

Q5

How can I optimize the performance of the HVAC system in my GMC Terrain?

To optimize HVAC performance, regularly replace the cabin air filter, ensure refrigerant levels are adequate, and keep the system free of debris. Use the dual-zone climate control settings to balance airflow and temperature. Park in shaded areas to reduce initial cooling demands and use the recirculation mode to maintain consistent cabin temperatures.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

GMC Terrain HVAC Service Manual

Coming Soon

This manual provides detailed instructions for servicing the HVAC system in the 2018-Present GMC Terrain, including troubleshooting and maintenance procedures.

Technical Service Bulletin for HVAC Updates

Coming Soon

This bulletin outlines recent updates and fixes for the HVAC system in the GMC Terrain, including software updates and component replacements.

GMC Terrain HVAC Parts Catalog

Coming Soon

This catalog lists all available parts and accessories for the HVAC system in the 2018-Present GMC Terrain, including filters, compressors, and blower motors.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

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
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 GMC Specs. All rights reserved.