Cadillac Escalade 2002-2006 5.3L Engine Specifications
Detailed technical specifications for the 5.3L V8 engine in 2002-2006 Cadillac Escalade models. Includes power output, torque, fuel system details, and maintenance information for owners and technicians.
Overview Specifications
This document provides detailed technical specifications and information about the 5.3L V8 engine used in the 2002-2006 Cadillac Escalade. It covers key aspects such as engine performance, design features, maintenance requirements, and common issues. Use this guide to understand the engine's capabilities, optimize its performance, and ensure proper maintenance. Whether you're a mechanic, enthusiast, or owner, this document serves as a comprehensive resource for all things related to the 5.3L engine.
How to Use
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Key Specifications
Engine Type
5.3L V8
Horsepower
285 hp
Torque
325 lb-ft
Fuel Efficiency
13/17 mpg
Oil Capacity
6 quarts
Available Specifications
Engine Performance
This section covers the performance characteristics of the 5.3L V8 engine, including horsepower, torque, and fuel efficiency. Learn about the engine's capabilities and how it delivers power to the Cadillac Escalade.
Engine Performance
This section covers the performance characteristics of the 5.3L V8 engine, including horsepower, torque, and fuel efficiency. Learn about the engine's capabilities and how it delivers power to the Cadillac Escalade.
Horsepower and Torque
- Horsepower: 285 hp at 5200 rpm
- Torque: 325 lb-ft at 4000 rpm
- Engine redline: 6000 rpm
- Compression ratio: 9.5:1
- Fuel delivery system: Sequential Fuel Injection
- Emission control: EGR system
Fuel Efficiency
- City MPG: 13 mpg
- Highway MPG: 17 mpg
- Fuel type: Regular unleaded
- Fuel tank capacity: 26 gallons
- Engine oil capacity: 6 quarts
- Oil type: 5W-30
Engine Design
Explore the design features of the 5.3L V8 engine, including its construction, materials, and innovative technologies. This section provides insights into what makes this engine reliable and efficient.
Engine Design
Explore the design features of the 5.3L V8 engine, including its construction, materials, and innovative technologies. This section provides insights into what makes this engine reliable and efficient.
Construction and Materials
- Engine block material: Cast iron
- Cylinder head material: Aluminum
- Bore x Stroke: 3.78 in x 3.62 in
- Displacement: 5.3 liters (325 cubic inches)
- Valvetrain: Overhead Valve (OHV)
- Number of valves: 16
Innovative Technologies
- Active Fuel Management (AFM) system
- Variable Valve Timing (VVT)
- Electronic Throttle Control (ETC)
- Hydraulic roller lifters
- Dual-stage intake manifold
- High-flow cylinder heads
Maintenance and Care
This section provides essential maintenance tips and guidelines to keep the 5.3L engine running smoothly. Learn about routine checks, recommended service intervals, and common maintenance tasks.
Maintenance and Care
This section provides essential maintenance tips and guidelines to keep the 5.3L engine running smoothly. Learn about routine checks, recommended service intervals, and common maintenance tasks.
Routine Maintenance
- Oil change interval: Every 3,000-5,000 miles
- Air filter replacement: Every 15,000-30,000 miles
- Spark plug replacement: Every 100,000 miles
- Coolant flush: Every 50,000 miles
- Timing chain inspection: Every 60,000 miles
- Fuel filter replacement: Every 30,000 miles
Common Issues
- Oil consumption in older models
- AFM lifter failure
- Exhaust manifold leaks
- Throttle body sensor issues
- EGR valve clogging
- Timing chain stretch
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree
- Platform
- GM LS
- Material
- Cast iron block, aluminum heads
- Location
- Front, longitudinal
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 25.4 inches (645 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 520 lbs (236 kg)
- Displacement
- 325 cubic inches (5328 cc)
- Bore
- 3.78 inches (96 mm)
- Stroke
- 3.62 inches (92 mm)
Materials
- Engine Block
- Cast iron
- Cylinder Heads
- Aluminum
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Ignition System
-
- Coil-near-plug ignition
- High-energy spark plugs
- Electronic spark timing
- Fuel System
-
- Sequential fuel injection
- Returnless fuel system
- Electronic throttle control
- Cooling System
-
- High-capacity radiator
- Electric cooling fan
- Coolant recovery system
- Lubrication System
-
- Full-flow oil filtration
- High-capacity oil pump
- Oil cooler
- Emissions Control
-
- Catalytic converters
- EGR system
- EVAP system
Safety Features
- Engine Management
-
- Knock detection system
- Overheat protection
- Low oil pressure warning
- Fuel System
-
- Fuel cut-off in crash
- Leak detection system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Integrated heater core
- Auxiliary cooling fan
Accessories
- Electrical System
-
- 150-amp alternator
- Maintenance-free battery
- Power distribution center
- Charging System
-
- Battery temperature sensor
- Voltage regulator
- Charging system warning
- Air Conditioning
-
- High-capacity compressor
- Parallel flow condenser
- Variable displacement
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Coolant flush
- Belt and hose inspection
- Maintenance Notes
- Use only recommended synthetic oil and OEM filters
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal emissions components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Within 0.0005 inches
- Sustainability Practices
-
- Recycled aluminum
- Low-emission painting
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%
Service Information for 5.3l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Coolant level check
- Belt and hose inspection
Use only synthetic oil meeting GM Standard 4718M
- Fuel filter replacement
- PCV valve inspection
- Throttle body cleaning
- Ignition system check
- Exhaust system inspection
Check for any diagnostic trouble codes
- Timing chain inspection
- Water pump replacement
- Thermostat replacement
- Coolant flush and fill
- Engine mount inspection
Engine may require special tools for timing chain service
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 5.3L engine in the 2002-2006 Cadillac Escalade?
What are the technical specifications of the 5.3L engine in the 2002-2006 Cadillac Escalade?
The 5.3L V8 engine (RPO code LM7) features an aluminum block and cylinder heads, producing 285-295 horsepower and 320-330 lb-ft of torque. It utilizes a 4-speed automatic transmission, has a displacement of 327 cubic inches, and a fuel capacity of approximately 26 gallons. It is compatible with regular unleaded gasoline and is known for its reliability and durability in the Escalade.
Q2 What are the maintenance requirements for the 5.3L engine?
What are the maintenance requirements for the 5.3L engine?
Regular maintenance includes oil changes every 5,000 miles, tire rotations every 7,500 miles, and spark plug replacements every 100,000 miles. The serpentine belt should be replaced every 50,000 miles, and the timing chain has a recommended replacement interval of 105,000 miles. Coolant flushes are recommended every 50,000 miles. It is also important to use synthetic oil for optimal performance and longevity.
Q3 How do I install or replace parts on the 5.3L engine?
How do I install or replace parts on the 5.3L engine?
Installation or replacement of parts such as the water pump, spark plugs, or oxygen sensor requires basic mechanical tools. Ensure the vehicle is on level ground, apply the parking brake, and disconnect the battery. Follow proper procedures for draining fluids, removing components, and installing new parts. Consult a service manual for specific instructions and torque specifications. Always test the system after installation to ensure proper function.
Q4 How do I troubleshoot common issues with the 5.3L engine?
How do I troubleshoot common issues with the 5.3L engine?
Common issues include low power, overheating, and rough idling. Check for fault codes using an OBD-II scanner, inspect the air filter, and ensure proper fuel pressure. For overheating, inspect the coolant level, radiator, and water pump. For rough idling, check spark plugs, ignition coils, and the Mass Airflow Sensor (MAF). Always refer to a diagnostic chart or consult a professional mechanic if issues persist.
Q5 How can I optimize the performance of the 5.3L engine?
How can I optimize the performance of the 5.3L engine?
Performance can be enhanced with a cold air intake, aftermarket exhaust system, and engine tuning. A cold air intake improves airflow, while a high-performance exhaust system reduces backpressure. Engine tuning can optimize fuel injection and ignition timing for increased horsepower and torque. Always consult a qualified mechanic and ensure modifications comply with local emissions regulations.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Cadillac Escalade Service Manual (2002-2006)
Coming SoonComprehensive guide covering technical specifications, maintenance schedules, and repair procedures for the 5.3L engine.
Technical Service Bulletin (TSB) - Engine Coolant Leak
Coming SoonAddresses common issues related to engine coolant leaks, including diagnostic steps and repair procedures.
Genuine GM Parts Catalog
Coming SoonOfficial parts catalog for the 2002-2006 Cadillac Escalade, including engine components and accessories.
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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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