Cadillac DeVille 1994-1999 4.6L Engine Specifications
Explore the detailed 4.6L engine specifications for the 1994-1999 Cadillac DeVille. This guide covers horsepower, torque, fuel system, and more, providing essential information for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 4.6L engine used in the 1994-1999 Cadillac DeVille. 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, with subsections breaking down key aspects of the engine. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search function by entering keywords related to the 4.6L engine, such as 'horsepower' or 'torque'. The search will highlight relevant sections and subsections for quick access.
Navigate through the document using the section titles and subsections. Click on a section to expand it and view detailed information. Use the quick reference table for a summary of key specifications.
Key Specifications
Horsepower
270 hp
Torque
300 lb-ft
Displacement
4.6L
Compression Ratio
9.4:1
Fuel Efficiency
19 MPG (combined)
Available Specifications
Engine Design
This section covers the design and architecture of the 4.6L engine, including its layout, materials, and manufacturing techniques. Learn about the engine's construction and how it contributes to performance and durability.
Engine Design
This section covers the design and architecture of the 4.6L engine, including its layout, materials, and manufacturing techniques. Learn about the engine's construction and how it contributes to performance and durability.
Engine Configuration
- V8 configuration with 90-degree bank angle
- Overhead valve (OHV) design
- Cast iron engine block
- Aluminum cylinder heads
- Sequential fuel injection system
- Hydraulic roller lifters
Displacement and Bore/Stroke
- Displacement: 4.6 liters (281 cubic inches)
- Bore: 93 mm (3.66 inches)
- Stroke: 84 mm (3.31 inches)
- Compression ratio: 9.4:1
- Engine weight: approximately 450 lbs
- Balanced rotating assembly
Performance Specifications
Explore the performance capabilities of the 4.6L engine, including horsepower, torque, and fuel efficiency. This section provides insights into the engine's power delivery and how it enhances the driving experience.
Performance Specifications
Explore the performance capabilities of the 4.6L engine, including horsepower, torque, and fuel efficiency. This section provides insights into the engine's power delivery and how it enhances the driving experience.
Power Output
- Horsepower: 270 hp @ 5600 RPM
- Torque: 300 lb-ft @ 4000 RPM
- Redline: 6000 RPM
- Fuel type: premium unleaded gasoline
- Fuel delivery: multi-port fuel injection
- Ignition system: distributorless coil-on-plug
Fuel Efficiency
- City MPG: 16
- Highway MPG: 24
- Combined MPG: 19
- Fuel tank capacity: 18.5 gallons
- Emission standards: meets Tier 1 regulations
- Exhaust system: dual exhaust with catalytic converters
Maintenance and Reliability
This section provides guidance on maintaining the 4.6L engine, including recommended service intervals and common issues. Learn how to keep the engine running smoothly and extend its lifespan.
Maintenance and Reliability
This section provides guidance on maintaining the 4.6L engine, including recommended service intervals and common issues. Learn how to keep the engine running smoothly and extend its lifespan.
Service Intervals
- Oil change: every 3,000-5,000 miles
- Spark plugs: every 30,000 miles
- Timing chain: inspect every 60,000 miles
- Coolant flush: every 50,000 miles
- Air filter: replace every 15,000 miles
- Fuel filter: replace every 30,000 miles
Common Issues
- Intake manifold leaks
- Valve cover gasket failures
- Coolant leaks from plastic components
- Ignition coil failures
- Worn timing chain guides
- Oil consumption in high-mileage engines
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree
- Displacement
- 4.6 liters
- Fuel System
- Sequential Fuel Injection
- Location
- Front longitudinal
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 27.6 inches (701 mm)
- Height
- 29.1 inches (739 mm)
- Weight
- 450 lbs (204 kg)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.31 inches (84 mm)
- Cylinder Spacing
- 4.13 inches (105 mm)
Materials
- Block
- Cast iron
- Cylinder Heads
- Aluminum
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- 275 horsepower
- 300 lb-ft torque
- Electronic throttle control
- Dual overhead camshafts
- Efficiency
-
- Sequential fuel injection
- Variable valve timing
- Low friction components
- Cooling
-
- High-capacity water pump
- Dual electric fans
- Thermostatically controlled
- Ignition
-
- Distributorless ignition system
- Coil-on-plug design
- High-energy spark plugs
- Emissions
-
- Catalytic converter
- EGR system
- Oxygen sensors
Safety Features
- Overheating
-
- High-temperature warning system
- Automatic shutdown
- Oil Pressure
-
- Low oil pressure sensor
- Emergency lubrication
- Fuel System
-
- Fuel cut-off switch
- Leak detection
Comfort Features
- Noise Reduction
-
- Acoustic engine covers
- Balanced rotating assembly
- Vibration Control
-
- Hydraulic engine mounts
- Tuned dampers
- Temperature Control
-
- Dual-zone climate control
- Heated intake manifold
Accessories
- Belts
-
- Serpentine belt
- Timing belt
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Items
-
- Oil and filter change
- Spark plug replacement
- Timing belt inspection
- Coolant flush
- Air filter replacement
- Notes
- Use synthetic oil for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 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
-
- Precision casting
- CNC machining
- Automated assembly
- Quality Control
- inspection: 100% engine testingTolerances: Within 0.001 inches
- Sustainability Practices
-
- Recycled aluminum
- Low VOC paints
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%
Service Information for 4.6l 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 GM-approved fluids and filters
- Replace air filter
- Inspect fuel system
- Check ignition system
- Inspect cooling system
Perform compression test if necessary
- Replace timing belt
- Replace water pump
- Flush cooling system
- Inspect and replace seals
Critical to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications and compatibility of the 4.6L engine in the 1994-1999 Cadillac DeVille?
What are the technical specifications and compatibility of the 4.6L engine in the 1994-1999 Cadillac DeVille?
The 4.6L engine in the 1994-1999 Cadillac DeVille is a Northstar V8 engine, producing 275-300 horsepower and 295-300 lb-ft of torque. It features a 4-speed automatic transmission and rear-wheel drive. Compatible with Cadillac DeVille models from 1994 to 1999, it uses a sequential fuel injection system and meets federal emissions standards. Engine compatibility ensures it fits all DeVille models in these years without modifications.
Q2 What are the maintenance requirements for the 4.6L engine?
What are the maintenance requirements for the 4.6L engine?
Regular maintenance is crucial. Change synthetic oil every 5,000-7,500 miles, coolant every 50,000 miles, and transmission fluid every 30,000-60,000 miles. Spark plugs should be replaced at 100,000 miles. Inspect belts at 50,000 miles and replace at 90,000. Follow the recommended schedule in the service manual for optimal performance and longevity.
Q3 How do I install or replace the 4.6L engine?
How do I install or replace the 4.6L engine?
Start by gathering tools and a hoist. Disconnect the battery and drain fluids. Remove the intake manifold, exhaust system, and electrical connectors. Lift the car, remove engine mounts, and extract the engine. Install the new engine, ensuring correct torque specs. Reconnect all components and refill fluids. Consult a service manual for detailed steps and safety precautions.
Q4 How do I troubleshoot common issues with the 4.6L engine?
How do I troubleshoot common issues with the 4.6L engine?
Use a code reader for OBD-I systems to identify issues. Rough idling may indicate faulty sensors. Poor acceleration could be due to clogged fuel injectors. Overheating might result from a malfunctioning cooling system. Check for codes, inspect sensors, clean or replace injectors, and ensure the cooling system functions properly. Consult a mechanic if issues persist.
Q5 How can I optimize the performance of the 4.6L engine?
How can I optimize the performance of the 4.6L engine?
Optimize performance with a cold-air intake and high-performance exhaust. Use synthetic oil and tune the ECM for better power delivery. Ensure proper maintenance and consider upgrading to performance spark plugs. Premium fuel can also enhance performance. Regular inspections and timely repairs are essential for sustained optimal performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-1999 Cadillac DeVille Service Manual
Coming SoonCovers maintenance, repairs, and technical specifications for the 4.6L engine.
Cadillac DeVille 4.6L Engine Update Bulletin
Coming SoonAddresses known issues, updates, and technical service bulletins for the engine.
Cadillac DeVille Parts and Accessories Guide
Coming SoonLists OEM and aftermarket parts for the 4.6L engine and related components.
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Important information about using this content
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General Information
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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.
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