GMC Savana 1996-present 4.3L Engine Specifications
Explore detailed 4.3L engine specifications for the 1996-Present GMC Savana. Learn about horsepower, torque, fuel systems, and maintenance tips for optimal performance.
Overview Specifications
This document provides detailed specifications and technical information about the 4.3L engine used in the GMC Savana from 1996 to the present. It is designed to assist users in understanding the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, with subsections breaking down specific aspects of the engine. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the 4.3L engine, such as 'horsepower' or 'fuel system,' to find relevant sections quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled with a title and description, making it easy to find the information you need.
Key Specifications
Displacement
4.3L
Horsepower
190-200 hp
Torque
250-260 lb-ft
Fuel System
Multi-port fuel injection
Fuel Type
Regular unleaded
Available Specifications
Engine Performance
This section covers the performance characteristics of the 4.3L engine, including horsepower, torque, and fuel efficiency. It also includes details on how the engine performs under different driving conditions.
Engine Performance
This section covers the performance characteristics of the 4.3L engine, including horsepower, torque, and fuel efficiency. It also includes details on how the engine performs under different driving conditions.
Horsepower and Torque
- Horsepower: 190-200 hp
- Torque: 250-260 lb-ft
- Peak horsepower achieved at 4,400 RPM
- Peak torque achieved at 2,800 RPM
- Designed for reliable towing and hauling
- Optimized for low-end torque
Fuel Efficiency
- Average fuel economy: 15-18 mpg (city)
- Average fuel economy: 20-22 mpg (highway)
- Sequential fuel injection system
- Designed for improved fuel efficiency
- Compatible with regular unleaded gasoline
- Low emissions for its class
Engine Design
This section provides an overview of the 4.3L engine's design, including its construction, materials, and key components. It highlights the engine's durability and reliability.
Engine Design
This section provides an overview of the 4.3L engine's design, including its construction, materials, and key components. It highlights the engine's durability and reliability.
Construction and Materials
- Cast iron engine block
- Aluminum cylinder heads
- Overhead valve (OHV) design
- Durable forged steel crankshaft
- Hydraulic roller lifters for reduced friction
- Long-lasting timing chain
Key Components
- Multi-port fuel injection system
- Electronic throttle control
- High-capacity oil pump
- Stainless steel exhaust manifold
- Balanced rotating assembly
- Integrated knock sensor
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the 4.3L engine. It includes information on recommended service intervals and common maintenance tasks.
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the 4.3L engine. It includes information on recommended service intervals and common maintenance tasks.
Recommended Maintenance
- Oil change interval: 5,000-7,500 miles
- Spark plug replacement: 100,000 miles
- Air filter replacement: 30,000 miles
- Coolant flush: 100,000 miles
- Timing chain inspection: 150,000 miles
- Regular inspection of belts and hoses
Durability Features
- Designed for high-mileage reliability
- Corrosion-resistant materials
- Heavy-duty cooling system
- Robust internal components
- Engineered for harsh conditions
- Proven track record in commercial use
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V6
- Displacement
- 4.3 liters (262 cubic inches)
- Fuel Type
- Gasoline
- Aspiration
- Naturally aspirated
- Location
- Front, longitudinal
Dimensions
- Length
- 27.5 inches (698.5 mm)
- Width
- 28.3 inches (718.8 mm)
- Height
- 29.1 inches (739.1 mm)
- Weight
- 450 lbs (204 kg)
- Bore
- 4.0 inches (101.6 mm)
- Stroke
- 3.48 inches (88.4 mm)
- Oil Capacity
- 4.5 quarts (4.3 liters)
- Coolant Capacity
- 13.5 quarts (12.8 liters)
Materials
- Block
- Cast iron
- Cylinder Head
- Aluminum
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential fuel injection
- Returnless fuel system
- Electronic throttle control
- Ignition System
-
- Distributorless ignition
- Coil-on-plug design
- High-energy spark plugs
- Cooling System
-
- High-flow water pump
- Dual thermostats
- Electric cooling fan
- Emissions
-
- EGR system
- Catalytic converter
- OBD-II compliance
- Performance
-
- Horsepower: 190-200 hp
- Torque: 250-260 lb-ft
- Compression ratio: 9.2:1
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Knock sensor
- Emissions Control
-
- Evaporative emissions system
- Positive crankcase ventilation
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Oxygen sensor
- Crankshaft position sensor
- Camshaft position sensor
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Coolant flush
- Fuel system cleaning
- Maintenance Notes
- Use synthetic oil for extended intervals. Check timing chain at 100,000 miles.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Emissions
- Miles: 50,000Years: 4Coverage: Catalytic converter and sensors
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Quality Control
- inspection: 100% engine testingTolerance: 0.001 inches
- Sustainability Practices
-
- Recycled materials
- Low-emission manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%
Service Information for 4.3l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check spark plugs
Use synthetic oil for best performance.
- Replace air filter
- Replace fuel filter
- Inspect timing chain
- Check ignition system
- Inspect exhaust system
Timing chain inspection is critical at this interval.
- Replace timing chain
- Replace water pump
- Replace spark plugs
- Flush cooling system
- Inspect engine mounts
Major service interval; consider professional assistance.
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles are compatible with the 4.3L engine in the 1996-Present GMC Savana?
What vehicles are compatible with the 4.3L engine in the 1996-Present GMC Savana?
The 4.3L V6 engine in the GMC Savana is compatible with models from 1996 to the present. It is designed for full-size vans and is suitable for both cargo and passenger configurations. This engine is also compatible with certain Chevrolet Express models. Always verify compatibility with your specific vehicle using the VIN or consult a dealership for confirmation.
Q2 What are the maintenance requirements for the 4.3L engine in the GMC Savana?
What are the maintenance requirements for the 4.3L engine in the GMC Savana?
The 4.3L engine requires regular maintenance, including oil changes every 3,000-5,000 miles, air filter replacement every 15,000-30,000 miles, and spark plug replacement every 30,000-50,000 miles. Coolant should be flushed every 50,000 miles, and the timing chain inspected every 100,000 miles. Regular inspections of belts, hoses, and the fuel system are also recommended to ensure optimal performance.
Q3 How do I replace the 4.3L engine in a GMC Savana?
How do I replace the 4.3L engine in a GMC Savana?
Replacing the 4.3L engine involves disconnecting the battery, draining fluids, and removing components like the exhaust system, transmission, and wiring harness. Use an engine hoist to lift the old engine out and lower the new one into place. Reconnect all components, refill fluids, and test the engine. Detailed instructions can be found in the service manual or by consulting a professional mechanic.
Q4 What are common troubleshooting steps for the 4.3L engine?
What are common troubleshooting steps for the 4.3L engine?
Common issues include rough idling, poor fuel economy, and engine misfires. Start by checking the spark plugs, ignition coils, and fuel injectors. Inspect the air filter and fuel system for blockages. Use an OBD-II scanner to identify error codes. If the engine overheats, check the coolant levels and radiator. For persistent issues, consult a professional mechanic or refer to the service manual.
Q5 How can I optimize the performance of the 4.3L engine?
How can I optimize the performance of the 4.3L engine?
To optimize performance, use high-quality synthetic oil and ensure regular maintenance. Upgrade the air intake and exhaust systems for better airflow. Consider a performance chip or tuner to enhance fuel efficiency and power. Regularly inspect and clean the throttle body and fuel injectors. Proper tire inflation and alignment also contribute to overall engine efficiency and 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.
GMC Savana 4.3L Engine Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 4.3L engine in GMC Savana models.
Technical Service Bulletin for 4.3L Engine Updates
Coming SoonLatest updates and fixes for the 4.3L engine, including recalls and performance improvements.
GMC Savana 4.3L Engine Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 4.3L engine, including part numbers and compatibility information.
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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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