GMC Yukon 1992-1999 5.7L Engine Specifications
Explore the detailed 5.7L engine specifications for the 1992-1999 GMC Yukon. This guide covers horsepower, torque, fuel system, and more, providing essential information for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 5.7L engine used in the 1992-1999 GMC Yukon. It is designed to assist enthusiasts, mechanics, and owners in understanding 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.
How to Use
Use the search functionality to quickly find specific terms or topics related to the 5.7L engine. Enter keywords such as 'horsepower' or 'torque' to locate relevant information.
Browse through the sections using the table of contents to explore different aspects of the engine. Each section is divided into subsections for detailed insights.
Key Specifications
Horsepower
255 HP
Torque
330 lb-ft
Displacement
5.7L
Compression Ratio
9.1:1
Fuel System
Sequential MPI
Available Specifications
Engine Performance
This section covers the performance characteristics of the 5.7L engine, including horsepower, torque, and fuel efficiency. Understanding these metrics helps in evaluating the engine's capabilities and suitability for various driving conditions.
Engine Performance
This section covers the performance characteristics of the 5.7L engine, including horsepower, torque, and fuel efficiency. Understanding these metrics helps in evaluating the engine's capabilities and suitability for various driving conditions.
Power Output
- Horsepower: 255 HP at 4600 RPM
- Torque: 330 lb-ft at 2800 RPM
- Compression Ratio: 9.1:1
- Fuel System: Sequential Multi-Port Fuel Injection
Fuel Efficiency
- City MPG: Approximately 13 MPG
- Highway MPG: Approximately 17 MPG
- Fuel Type: Regular Unleaded
- Tank Capacity: 25 Gallons
Engine Design
This section delves into the design and construction of the 5.7L engine, highlighting its key components and engineering features. Learn about the materials used, engine layout, and technological advancements incorporated into this engine.
Engine Design
This section delves into the design and construction of the 5.7L engine, highlighting its key components and engineering features. Learn about the materials used, engine layout, and technological advancements incorporated into this engine.
Construction
- Engine Type: V8
- Displacement: 5.7 Liters (350 Cubic Inches)
- Block Material: Cast Iron
- Cylinder Head Material: Cast Iron
Valvetrain
- Valve Configuration: Overhead Valve (OHV)
- Number of Valves: 16
- Camshaft: Hydraulic Roller
- Valve Lifters: Hydraulic
Maintenance and Durability
This section provides insights into the maintenance requirements and durability of the 5.7L engine. Discover recommended service intervals, common issues, and tips for ensuring long-term reliability.
Maintenance and Durability
This section provides insights into the maintenance requirements and durability of the 5.7L engine. Discover recommended service intervals, common issues, and tips for ensuring long-term reliability.
Maintenance Schedule
- Oil Change Interval: Every 3,000-5,000 Miles
- Spark Plug Replacement: Every 30,000 Miles
- Air Filter Replacement: Every 15,000 Miles
- Coolant Flush: Every 50,000 Miles
Common Issues
- Intake Manifold Gasket Leaks
- Ignition Module Failures
- Throttle Body Carbon Build-Up
- Exhaust Manifold Cracking
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree V
- Platform
- GM Small-Block
- Material
- Cast iron block and heads
- Location
- Front, longitudinal
Dimensions
- Length
- 29.5 inches (750 mm)
- Width
- 27.5 inches (700 mm)
- Height
- 28.3 inches (720 mm)
- Displacement
- 350 cubic inches (5.7 liters)
- Bore
- 4.00 inches (101.6 mm)
- Stroke
- 3.48 inches (88.4 mm)
- Weight
- 575 lbs (261 kg)
Materials
- Block
- Cast iron
- Cylinder Heads
- Cast iron
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Ignition System
-
- Distributor-based ignition
- Electronic spark control
- High-energy ignition coil
- Fuel System
-
- Throttle body injection (TBI)
- Single injector per cylinder
- Fuel pressure regulator
- Cooling System
-
- Water-cooled
- Thermostatically controlled
- Radiator with electric fan
- Lubrication System
-
- Full-pressure lubrication
- Oil pump with pressure relief
- Oil filter
- Exhaust System
-
- Dual exhaust
- Cast iron exhaust manifolds
- Catalytic converter
Safety Features
- Engine Protection
-
- Oil pressure warning light
- Coolant temperature sensor
- Emission Control
-
- EGR valve
- PCV system
- Catalytic converter
Comfort Features
- Noise Reduction
-
- Balanced shaft
- Sound insulation
- Vibration Reduction
-
- Rubber engine mounts
- Harmonic balancer
Accessories
- Electrical
-
- Alternator
- Starter motor
- Battery
- Cooling
-
- Radiator
- Water pump
- Cooling fan
- Fuel
-
- Fuel pump
- Fuel filter
- Fuel injectors
Maintenance
- Service interval
- Every 3,000 miles or 3 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter replacement
- Fuel filter replacement
- Coolant flush
- Maintenance Notes
- Regular inspection of belts and hoses recommended
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Corrosion Warranty
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions Warranty
- Miles: 50,000Years: 4Coverage: Federal emissions
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting of engine block
- Machining of cylinder heads
- Assembly line integration
- Quality Control
- inspection: 100% engine testingTolerance: High precision machiningTesting: Dyno performance testing
- Sustainability Practices
-
- Recycling of metal scraps
- Emission control during production
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: < 0.1%
Service Information for 5.7l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect belts and hoses
- Check fluid levels
- Inspect spark plugs
Use only recommended oil type
- Replace air filter
- Replace fuel filter
- Inspect ignition system
- Check exhaust system
Ensure proper torque on replaced parts
- Replace spark plugs
- Flush cooling system
- Inspect engine mounts
- Check timing
Performance testing recommended after service
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.7L engine compatible with other GMC models from 1992-1999?
Is the 5.7L engine compatible with other GMC models from 1992-1999?
The 5.7L engine used in the 1992-1999 GMC Yukon is primarily designed for this model but may be compatible with other GM trucks and SUVs from the same era, such as the Chevrolet Tahoe and Suburban. However, modifications to mounts, wiring, and accessories might be necessary. Always verify compatibility using the vehicle’s VIN or consult a GM service manual for precise details.
Q2 What are the maintenance requirements for the 5.7L engine?
What are the maintenance requirements for the 5.7L engine?
The 5.7L engine requires regular maintenance to ensure longevity. Oil changes should be performed every 3,000-5,000 miles using 10W-30 oil. Replace the air filter every 15,000 miles and the fuel filter every 30,000 miles. Inspect spark plugs, belts, and hoses every 50,000 miles. Coolant flushes are recommended every 30,000 miles. Follow the owner’s manual for detailed schedules and use OEM parts for optimal performance.
Q3 How do I replace the 5.7L engine in a 1992-1999 GMC Yukon?
How do I replace the 5.7L engine in a 1992-1999 GMC Yukon?
To replace the 5.7L engine, first disconnect the battery and drain fluids. Remove accessories, wiring, and hoses connected to the engine. Unbolt the transmission and motor mounts. Use an engine hoist to lift the engine out. Install the new engine by reversing the process, ensuring proper alignment and torque specifications. Reconnect all components, refill fluids, and test for leaks. Refer to the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 5.7L engine?
What are common troubleshooting steps for the 5.7L engine?
Common issues include rough idling, poor fuel economy, and overheating. For rough idling, check spark plugs, wires, and the ignition system. Poor fuel economy may indicate a clogged fuel filter or faulty oxygen sensor. Overheating can result from a failing thermostat, water pump, or radiator. Use a diagnostic scanner to check for error codes and refer to the service manual for specific troubleshooting steps.
Q5 How can I optimize the performance of the 5.7L engine?
How can I optimize the performance of the 5.7L engine?
To optimize performance, upgrade to a high-flow air intake and performance exhaust system. Use synthetic oil and high-quality fuel additives. Regularly clean the throttle body and fuel injectors. Consider installing a performance chip for improved fuel mapping and horsepower. Ensure proper tire pressure and alignment for better efficiency. Follow the manufacturer’s maintenance schedule and consult a professional for advanced 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.
1992-1999 GMC Yukon Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 5.7L engine and other vehicle systems.
Technical Service Bulletin for 5.7L Engine Updates
Coming SoonDetails common issues and updates for the 5.7L engine, including recalls and recommended fixes.
GMC Yukon Parts and Accessories Guide
Coming SoonCatalog of OEM and aftermarket parts for the 5.7L engine and 1992-1999 GMC Yukon models.
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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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