Audi Audi A3 1997-2003 1.9L Engine Specifications
Detailed technical specifications and documentation for the 1.9L turbocharged diesel engine in the 1997-2003 Audi A3. Includes engine performance data, component details, and maintenance guidelines.
1.9L Engine Specifications Overview Specifications
This document provides detailed specifications and technical information for the 1.9L engine used in the 1997-2003 Audi A3. It covers key aspects such as engine configuration, performance metrics, maintenance requirements, and common issues. Use the search functionality to find specific details, and navigate through the sections to explore comprehensive information about the engine.
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Key Specifications
Displacement
1.9 liters (1896 cc)
Power
90 HP (66 kW)
Torque
210 Nm
Fuel Type
Diesel
Fuel Efficiency (Combined)
5.5 liters/100 km
Available Specifications
Technical Details
This section provides an overview of the engine's technical specifications, including configuration, fuel system, and emissions standards.
Technical Details
This section provides an overview of the engine's technical specifications, including configuration, fuel system, and emissions standards.
Engine Configuration
- Inline-4 cylinder engine
- Displacement: 1.9 liters (1896 cc)
- Bore and stroke: 79.5 mm x 95.5 mm
- Compression ratio: 19.5:1
- Valvetrain: Single overhead camshaft (SOHC) with 8 valves
Fuel System
- Fuel type: Diesel
- Fuel injection: Bosch VE injection pump
- Fuel tank capacity: 55 liters
- Fuel economy (combined): 5.5 liters/100 km
Cooling System
- Coolant type: 50/50 glycol and water mixture
- Coolant capacity: 5.5 liters
- Radiator size: 580 mm x 400 mm
- Thermostat opening temperature: 87°C
Emissions
- Emissions standard: Euro 2
- Exhaust system: Stainless steel with catalytic converter
- Particulate filter: Not equipped
- EGR system: Yes
Maintenance Requirements
This section outlines the recommended maintenance schedule and procedures for the 1.9L engine.
Maintenance Requirements
This section outlines the recommended maintenance schedule and procedures for the 1.9L engine.
Service Intervals
- Oil change interval: Every 15,000 km or 12 months
- Air filter replacement: Every 30,000 km
- Fuel filter replacement: Every 15,000 km
- Timing belt replacement: Every 105,000 km
- Brake fluid replacement: Every 2 years
Fluid Capacities
- Engine oil capacity: 4.5 liters (5W-40 synthetic)
- Coolant capacity: 5.5 liters (50/50 mix)
- Brake fluid capacity: 0.5 liters (DOT 4)
- Power steering fluid capacity: 0.5 liters
Replacement Parts
- Spark plugs: Replace every 30,000 km
- Belt replacements: Timing belt and auxiliary belts
- Wiper blades: Replace every 12 months
- Battery: Replace every 5 years
Performance Metrics
This section provides details on the engine's performance capabilities, including power output, torque, and acceleration.
Performance Metrics
This section provides details on the engine's performance capabilities, including power output, torque, and acceleration.
Power Output
- Maximum power: 90 HP (66 kW) at 4,000 rpm
- Maximum torque: 210 Nm at 1,900 rpm
- Redline: 5,000 rpm
- Idle speed: 800 rpm
Acceleration
- 0-100 km/h: 12.3 seconds
- Top speed: 183 km/h
- Gear ratios: 5-speed manual transmission
- Final drive ratio: 3.94:1
Fuel Efficiency
- City: 6.2 liters/100 km
- Highway: 4.5 liters/100 km
- Combined: 5.5 liters/100 km
- CO2 emissions: 145 g/km
Common Issues & Troubleshooting
This section highlights common issues encountered with the 1.9L engine and provides troubleshooting tips.
Common Issues & Troubleshooting
This section highlights common issues encountered with the 1.9L engine and provides troubleshooting tips.
Common Issues
- Turbocharger failure
- Injectors clogging
- EGR valve clogging
- Timing belt failure
- Coolant leaks
Troubleshooting Tips
- Check oil level regularly
- Inspect fuel filter and replace as needed
- Monitor coolant level and condition
- Listen for unusual engine noises
- Check for error codes using OBD-II scanner
DIY Repairs
- Replacing air filter
- Changing oil and filter
- Inspecting and replacing spark plugs
- Topping up fluids
- Basic belt inspections
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Engine Specifications
General information
- Engine Code
- ALH
- Displacement
- 1.9 liters (1896 cc)
- Configuration
- Inline 4-cylinder
- Aspiration
- Turbocharged
- Fuel System
- Direct Injection (TDI)
- Manufacturer
- Volkswagen Group
- Production Years
- 1997-2003
Performance Specifications
- Power Output
- 90 hp @ 3750 rpm
- Torque
- 155 lb-ft @ 1900 rpm
- Compression Ratio
- 19.5:1
- Redline
- 5000 rpm
- Fuel Type
- Diesel (EN 590 compliant)
Dimensions And Weight
- Engine Weight
- 152 kg (335 lbs)
- Length
- 570 mm (22.44 in)
- Width
- 680 mm (26.77 in)
- Height
- 680 mm (26.77 in)
Cooling System
- Coolant Capacity
- 6.5 liters (6.87 quarts)
- Thermostat Opening Temperature
- 87°C (189°F)
- Radiator Cap Pressure
- 1.4 bar (20.3 psi)
- Coolant Type
- G12 (pink) or equivalent
Lubrication System
- Oil Capacity
- 4.5 liters (4.76 quarts)
- Oil Type
- 5W-40 (VW 505.00 specification)
- Oil Pressure
- 2.0-4.5 bar (29-65 psi) at 2000 rpm
- Oil Filter Part Number
- 06A 115 561 B
Fuel System Specifications
- injection Pump Type
- Bosch VP37
- injector Opening Pressure
- 220-230 bar (3190-3335 psi)
- Fuel Filter Part Number
- 1J0 127 401 A
- Fuel Tank Capacity
- 55 liters (14.53 gallons)
Turbocharger Specifications
- Turbo Model
- Garrett GT15
- Boost Pressure
- 0.7 bar (10.2 psi)
- Wastegate Actuation
- Internal
- Turbo Lubrication
- Engine oil-fed
Timing System
- Timing Belt Part Number
- 038 109 119 M
- Timing Belt Interval
- 60,000 miles or 4 years
- Tensioner Part Number
- 038 109 243 C
- Idler Pulley Part Number
- 038 109 244 A
- Camshaft Drive
- Belt-driven
Emissions System
- Egr System
- Yes
- Catalytic Converter
- Oxidation catalyst
- Emissions Standard
- Euro 3
- Egr Valve Part Number
- 038 131 501 D
Electrical System
- Alternator Output
- 90 A
- Battery Capacity
- 72 Ah
- Starter Motor Part Number
- 02A 911 023 D
- Glow Plug Type
- Ceramic (NGK CZ101)
Maintenance Specifications
- Spark Plug Gap
- Not applicable (diesel engine)
- Valve Clearance
- Hydraulic lifters (self-adjusting)
- Air Filter Part Number
- 1J0 129 620 A
- Service interval
- 10,000 miles or 12 months
Diagnostic Specifications
- Obd Ii Compliance
- Yes (EOBD)
- Diagnostic Connector Location
- Under dashboard, driver's side
- Common Fault Codes
-
- P0101 - Mass Air Flow Circuit Range/Performance
- P0299 - Turbocharger Underboost
- P0401 - Exhaust Gas Recirculation Flow Insufficient
Service Information Service
Detailed service requirements and schedules for the 1.9L TDI engine
- Oil and filter change
- Inspect timing belt for wear
- Check coolant level and condition
- Inspect air filter
Use only VW 505.00 specification oil
- Replace timing belt and tensioner
- Replace fuel filter
- Inspect turbocharger for leaks
- Check EGR valve operation
Timing belt replacement is critical to prevent engine damage
- Replace glow plugs
- Inspect and clean intake manifold
- Check injector operation
- Replace coolant
Coolant replacement interval may vary based on condition
Common Questions
Find answers to common questions about torque specifications
Q1 What is the engine code for the 1.9l-engine in the 1997-2003 Audi A3?
What is the engine code for the 1.9l-engine in the 1997-2003 Audi A3?
The engine code for the 1.9l-engine in the 1997-2003 Audi A3 is typically the 1.9 TDI PD (Pumpe Düse) engine, with codes such as ATD, AXR, or ASV, depending on the specific model and trim.
Q2 What is the power output of the 1.9l-engine in the Audi A3?
What is the power output of the 1.9l-engine in the Audi A3?
The 1.9l TDI engine in the 1997-2003 Audi A3 produces between 90 to 130 horsepower, depending on the specific variant. For example, the ATD engine variant produces 100 horsepower, while the AXR variant produces 130 horsepower.
Q3 What is the torque specification for the 1.9l-engine?
What is the torque specification for the 1.9l-engine?
The 1.9l TDI engine generates between 210 to 310 Nm of torque, depending on the variant. For instance, the ATD variant produces 240 Nm, while the AXR variant produces 310 Nm at 1900 rpm.
Q4 What type of fuel injection system does the 1.9l-engine use?
What type of fuel injection system does the 1.9l-engine use?
The 1.9l TDI engine uses a Pumpe Düse (Unit Injector) fuel injection system, which provides precise fuel delivery and improved combustion efficiency.
Q5 What is the recommended oil specification for the 1.9l-engine?
What is the recommended oil specification for the 1.9l-engine?
The recommended oil specification for the 1.9l TDI engine is VW 505.01 or higher, with a viscosity of 5W-40 or 5W-30. Always use high-quality synthetic oil to ensure optimal engine performance and longevity.
Q6 What is the timing belt replacement interval for the 1.9l-engine?
What is the timing belt replacement interval for the 1.9l-engine?
The timing belt replacement interval for the 1.9l TDI engine is typically every 60,000 to 80,000 miles (or 100,000 to 120,000 kilometers). However, always refer to the vehicle's service manual or consult an Audi dealer for the exact interval.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi A3 1.9 TDI Engine Service Manual
Coming SoonOfficial service manual for the 1.9l TDI engine, covering maintenance, repair procedures, and technical specifications.
Timing Belt Replacement Guide for 1.9 TDI
Coming SoonStep-by-step guide for replacing the timing belt on the 1.9l TDI engine, including torque specifications and safety precautions.
1.9 TDI Engine Oil and Filter Change Procedure
Coming SoonDetailed instructions for performing an oil and filter change on the 1.9l TDI engine, including recommended oil types and capacities.
Audi A3 1.9 TDI Common Issues and Solutions
Coming SoonA comprehensive guide to common issues with the 1.9l TDI engine, including troubleshooting tips and recommended fixes.
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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.
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- If you're unsure about any procedure, consult a qualified professional mechanic.
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