GMC Yukon 2021-present 5.3L Engine Engine Specifications
GMC Yukon 2021-present

GMC Yukon 2021-present 5.3L Engine Specifications

Explore the detailed 5.3L engine specifications for the 2021-Present GMC Yukon. Learn about horsepower, torque, fuel efficiency, and maintenance tips to optimize performance and ensure longevity.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 5.3L engine used in the 2021-Present GMC Yukon. It is designed to help users understand the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation and includes a quick reference guide for key specifications. Use the search and navigation instructions to find specific details efficiently.

How to Use

Use the search functionality to locate specific terms or topics. Enter keywords related to the engine, such as 'horsepower' or 'fuel efficiency,' in the search bar to quickly find relevant sections.

Navigate through the document using the section titles and subsections. Click on a section to expand its details and access the specific information you need. Use the quick reference guide for a summary of key specifications.

Key Specifications

Displacement

5.3L

Horsepower

355 HP

Torque

383 lb-ft

Fuel Efficiency (City)

16 MPG

Fuel Efficiency (Highway)

20 MPG

Available Specifications

Engine Performance

This section covers the performance characteristics of the 5.3L engine, including horsepower, torque, and acceleration. It also provides insights into the engine's efficiency and how it enhances the driving experience of the GMC Yukon.

Horsepower and Torque
  • 355 horsepower at 5600 RPM
  • 383 lb-ft of torque at 4100 RPM
  • Optimized for towing and hauling
  • Smooth power delivery across the RPM range
Fuel Efficiency
  • EPA-estimated 16 MPG city
  • EPA-estimated 20 MPG highway
  • Active Fuel Management technology
  • Direct injection system for improved efficiency

Engine Design

This section delves into the design features of the 5.3L engine, including its construction, materials, and advanced technologies. Learn about the components that contribute to the engine's durability and performance.

Construction and Materials
  • Aluminum block and cylinder heads
  • Forged steel crankshaft
  • High-strength connecting rods
  • Durability tested for extreme conditions
Advanced Technologies
  • Variable Valve Timing (VVT)
  • Direct injection fuel system
  • Active Thermal Management system
  • Electronic throttle control

Maintenance and Reliability

This section provides information on maintaining the 5.3L engine to ensure its longevity and reliability. It includes recommended service intervals, common maintenance tasks, and tips for optimal performance.

Recommended Service Intervals
  • Oil change every 7,500 miles
  • Air filter replacement every 30,000 miles
  • Spark plug replacement every 100,000 miles
  • Coolant flush every 150,000 miles
Common Maintenance Tasks
  • Regular inspection of belts and hoses
  • Monitoring engine oil levels
  • Checking and replacing the fuel filter
  • Ensuring proper tire pressure for efficiency

Engine Specifications

Overview

Type
V8
Configuration
Naturally Aspirated
Platform
EcoTec3
Material
Aluminum Block and Heads
Location
Front, Longitudinal

Dimensions

Displacement
5.3 liters (325 cubic inches)
Bore
96 mm (3.78 inches)
Stroke
92 mm (3.62 inches)
Length
29.5 inches (749 mm)
Width
25.6 inches (650 mm)
Height
27.2 inches (691 mm)
Weight
445 lbs (202 kg)

Materials

Block
Aluminum
Cylinder Heads
Aluminum
Pistons
Forged Aluminum
Crankshaft
Forged Steel
Camshaft
Billet Steel

Features

Fuel System
  • Direct Injection
  • Variable Valve Timing
  • Active Fuel Management
Cooling System
  • Electric Water Pump
  • High-Flow Radiator
  • Thermostatically Controlled Fan
Ignition System
  • Coil-On-Plug
  • High-Energy Ignition
  • Knock Sensor
Exhaust System
  • Dual Exhaust
  • Catalytic Converters
  • Active Noise Cancellation
Lubrication System
  • High-Pressure Oil Pump
  • Full-Flow Oil Filter
  • Oil Cooler

Safety Features

Engine Protection
  • Low Oil Pressure Shutdown
  • Overheat Protection
  • Knock Detection
Emissions Control
  • EGR System
  • EVAP System
  • O2 Sensors

Comfort Features

Noise Reduction
  • Acoustic Engine Cover
  • Hydraulic Engine Mounts
  • Active Noise Cancellation
Vibration Control
  • Balanced Crankshaft
  • Harmonic Damper
  • Isolated Engine Mounts

Accessories

Belts And Pulleys
  • Serpentine Belt
  • Tensioner Pulley
  • Idler Pulley
Filters
  • Air Filter
  • Oil Filter
  • Fuel Filter
Sensors
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Knock Sensor

Maintenance

Service interval
7,500 miles or 6 months
Service Items
  • Oil Change
  • Oil Filter Replacement
  • Air Filter Inspection
  • Spark Plug Inspection
  • Coolant Level Check
Maintenance Notes
Use only recommended fluids and filters for optimal performance.

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Bumper-to-Bumper
Powertrain
Miles: 60,000
Years: 5
Coverage: Engine and Transmission
Emissions
Miles: 80,000
Years: 8
Coverage: Catalytic Converter and O2 Sensors
Corrosion
Miles: 100,000
Years: 6
Coverage: Perforation from Rust

Production Details

Manufacturer
General Motors
Manufacturing Process
  • Casting
  • Machining
  • Assembly
  • Testing
Quality Control
inspection: 100% Engine Testing
Tolerance: Micron-Level Precision
Sustainability Practices
  • Recycled Aluminum
  • Low-Emission Manufacturing
  • Energy-Efficient Processes
Production Metrics
Annual Output: 500,000 Units
Defect Rate: 0.01%

Service Information for 5.3l engine Service

Maintenance and service requirements specific to this component

7,500
6
  • Oil Change
  • Oil Filter Replacement
  • Air Filter Inspection
  • Spark Plug Inspection
  • Coolant Level Check

Use only recommended fluids and filters for optimal performance.

15,000
12
  • Air Filter Replacement
  • Fuel Filter Replacement
  • Spark Plug Replacement
  • Coolant Flush
  • Belt and Pulley Inspection

Inspect for wear and replace as necessary.

100,000
84
  • Timing Chain Inspection
  • Water Pump Replacement
  • Engine Mount Inspection
  • Exhaust System Check
  • Comprehensive Engine Diagnostics

Major service interval, critical for long-term engine health.

Common Questions

Find answers to common questions about torque specifications

Q1

What vehicles is the 5.3L engine compatible with in the 2021-Present GMC Yukon?

The 5.3L EcoTec3 V8 engine in the 2021-Present GMC Yukon is specifically designed for this model and its variants, including the Yukon SLE, SLT, AT4, and Denali trims. It is compatible with both 2WD and 4WD configurations. This engine is engineered to work seamlessly with the 10-speed automatic transmission and supports advanced features like Active Fuel Management and Dynamic Fuel Management for optimal performance and efficiency.

Q2

What are the maintenance requirements for the 5.3L engine in the GMC Yukon?

Regular maintenance is crucial for the longevity of the 5.3L engine. GMC recommends oil changes every 7,500 miles or six months, whichever comes first, using 0W-20 synthetic oil. Air filters should be inspected every 15,000 miles and replaced as needed. Spark plugs should be checked at 100,000 miles. Additionally, coolant, transmission fluid, and brake fluid levels should be monitored and serviced according to the owner’s manual schedule to ensure optimal performance.

Q3

How do I install or replace the 5.3L engine in the GMC Yukon?

Replacing the 5.3L engine in the GMC Yukon requires professional expertise. The process involves disconnecting the battery, draining fluids, removing the transmission, and detaching engine mounts and wiring harnesses. The new engine must be carefully aligned and reconnected, ensuring all components are torqued to manufacturer specifications. It is highly recommended to consult the service manual or seek assistance from a certified GMC technician to avoid damage and ensure proper installation.

Q4

What should I do if my 5.3L engine is misfiring or losing power?

If your 5.3L engine is misfiring or losing power, start by checking for fault codes using an OBD-II scanner. Common causes include faulty spark plugs, a clogged fuel injector, or a failing ignition coil. Inspect the air intake system for obstructions and ensure the fuel system is functioning correctly. If the issue persists, it may be related to the engine’s sensors or the ECM. Consult a certified technician for a thorough diagnosis and repair.

Q5

How can I optimize the performance of the 5.3L engine in my GMC Yukon?

To optimize the performance of the 5.3L engine, use high-quality synthetic oil and ensure regular maintenance. Consider upgrading the air intake and exhaust systems for improved airflow. Use premium fuel to maximize horsepower and efficiency. Keep tires properly inflated and reduce vehicle weight for better fuel economy. Additionally, reset the engine control module (ECM) after modifications to ensure the engine adapts to new components and performs at its best.

Factory Service Resources

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

2021-Present GMC Yukon Service Manual

Coming Soon

This comprehensive manual provides detailed instructions for servicing the 5.3L engine and other components of the GMC Yukon. It includes troubleshooting, maintenance schedules, and repair procedures.

Technical Service Bulletin: 5.3L Engine Updates

Coming Soon

This bulletin outlines the latest updates and fixes for the 5.3L engine, including software updates, part revisions, and recommended service procedures.

GMC Yukon Parts and Accessories Catalog

Coming Soon

Explore a wide range of genuine parts and accessories designed for the 2021-Present GMC Yukon, including engine components, performance upgrades, and styling options.

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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.
  • 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.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

Automotive Technical Specialist

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