🏷️ Basic Information Identification Make: Audi Model: 100 Year: 1995 Codes Platform Code: C4 👋 Introduction Market Position Segment: Mid-size luxury sedan/wagon, competing with models like the BMW 5 Series, Mercedes-Benz E-Class, and Lexus ES. Reputation: Known for its sophisticated design, excellent build quality, advanced quattro all-wheel-drive system, and comfortable ride. Competitive Analysis Strengths: Quattro AWD capability, robust chassis, refined powertrain options, upscale interior materials compared to many competitors of its era. Weaknesses: Can be more expensive to maintain than some rivals, potential for electrical issues common in European cars of the period. Key Features Design: Sleek, aerodynamic styling with a focus on clean lines and aerodynamic efficiency. Safety: Standard safety features for its time, including airbags and ABS. Powertrain: Availability of smooth and powerful V6 engines and the renowned quattro AWD system. 📋 Manual Details Coverage Areas Documentation Type: Workshop Service and Repair Manual Page Count Estimated Page Count: Detailed (typical workshop manuals of this era are 500+ pages) Manual Type Type: Comprehensive Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed diagnosis, overhaul, and repair procedures for all engine variants, including timing belt/chain service, piston and ring replacement, cylinder head service, crankshaft and bearing inspection. Engine Management And Emissions: Fuel injection systems (MPI/CIS-E), ignition system, sensor testing (MAF, O2, knock, crank/cam sensors), ECU diagnostics, evaporative emission control (EVAP), exhaust gas recirculation (EGR). Transmission Manual: Repair and overhaul of manual gearboxes, clutch system service, gear shift linkage adjustment, differential inspection. Transmission Automatic: Diagnosis and repair of automatic transmissions, torque converter service, hydraulic control systems, electronic transmission control (if applicable), fluid and filter changes. Drivetrain And Axles: Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, driveshaft inspection and replacement, CV joints, hub bearings, rear differential service (for AWD models). Suspension And Steering: Front and rear suspension components (struts, control arms, ball joints, bushings), power steering system (pump, rack and pinion, hoses), wheel alignment specifications. Brakes: Hydraulic brake system, ABS diagnosis and repair, brake fluid flushing, rotor and pad replacement, caliper service, parking brake adjustment. Electrical System: Battery, charging system (alternator, regulator), starter motor, lighting systems, fuses and relays, wiring diagrams for all circuits, diagnostic procedures for electrical faults. Body And Chassis: Body panel removal and installation, door and window mechanisms, interior trim, chassis lubrication, rust prevention and repair. Heating Ventilation And Air Conditioning HVAC: AC system diagnosis, refrigerant handling, compressor service, blower motor, heater core, climate control systems. Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter replacement, coolant flush, brake fluid replacement, fuel filter replacement, transmission fluid and filter service, differential fluid changes. Troubleshooting: Diagnostic flowcharts and procedures for common drivability issues, electrical faults, and mechanical problems. Symptom-based troubleshooting guides. Component Replacement: Detailed step-by-step instructions for replacing virtually all major and minor components, from engine parts to interior trim and body panels. Rebuild And Overhaul: Comprehensive procedures for engine, transmission, and differential rebuilds, including specifications for machining and clearances. Special Tools And Procedures: Identification and usage instructions for specialized tools required for specific repairs and diagnostics. Technical Depth Depth: Comprehensive; covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format Quality: High-resolution PDF, ensuring clear text and diagrams for readability and printing. Searchability: Typically text-searchable, allowing for quick navigation to specific topics. Print Quality Printability: Designed for clear printing of all pages, diagrams, and charts. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code Typical: AHA, ABC (for V6 engines) Displacement Liters: 2.8 Engine Type: V6, 30-valve DOHC Bore X Stroke Mm: 82.5 x 92.8 Compression Ratio: 10.3:1 Performance Horsepower Hp: 172-190 hp (depending on specific engine variant and market) Torque Lb-Ft: 184-200 lb-ft (depending on specific engine variant and market) Fuel System Fuel Delivery: Electronic Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline, 91 Octane (Premium) Fluid Capacity Engine Oil Capacity Quarts: 6.3 (with filter) Coolant Capacity Liters: 9.5 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission (Tiptronic available on some models) Features AWD System: Torsen T-3 center differential for quattro models, providing continuous torque distribution. Fluid Capacity Automatic Transmission Fluid Quarts: 7.5 (G052 162 A2 or equivalent) Fluid Specifications Manual Transmission Fluid Type: SAE 75W-90 Synthetic Gear Oil (API GL-4/GL-5) 📐 Dimensions Exterior Length Inches: 190.0 Width Inches: 70.5 Height Inches: 55.2 Wheelbase Inches: 109.1 Front Track Inches: 60.5 Rear Track Inches: 60.4 Weights Curb Weight Lbs: 3500 - 3800 (approx., depending on FWD/quattro and body style) Cargo Trunk Volume Cu Ft: 15.5 🛡️ Safety Features Ratings NHTSA Front Impact Rating: Likely 4-star for driver and passenger (typical for era, specific data may vary). Active Features ABS: Standard Anti-lock Braking System (ABS)...
Mid-size luxury sedan/wagon, competing with models like the BMW 5 Series, Mercedes-Benz E-Class, and Lexus ES.
Reputation:
Known for its sophisticated design, excellent build quality, advanced quattro all-wheel-drive system, and comfortable ride.
Competitive Analysis
Strengths:
Quattro AWD capability, robust chassis, refined powertrain options, upscale interior materials compared to many competitors of its era.
Weaknesses:
Can be more expensive to maintain than some rivals, potential for electrical issues common in European cars of the period.
Key Features
Design:
Sleek, aerodynamic styling with a focus on clean lines and aerodynamic efficiency.
Safety:
Standard safety features for its time, including airbags and ABS.
Powertrain:
Availability of smooth and powerful V6 engines and the renowned quattro AWD system.
📋 Manual Details
Coverage Areas
Documentation Type:
Workshop Service and Repair Manual
Page Count
Estimated Page Count:
Detailed (typical workshop manuals of this era are 500+ pages)
Manual Type
Type:
Comprehensive Service and Repair Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Detailed diagnosis, overhaul, and repair procedures for all engine variants, including timing belt/chain service, piston and ring replacement, cylinder head service, crankshaft and bearing inspection.
Engine Management And Emissions:
Fuel injection systems (MPI/CIS-E), ignition system, sensor testing (MAF, O2, knock, crank/cam sensors), ECU diagnostics, evaporative emission control (EVAP), exhaust gas recirculation (EGR).
Transmission Manual:
Repair and overhaul of manual gearboxes, clutch system service, gear shift linkage adjustment, differential inspection.
Transmission Automatic:
Diagnosis and repair of automatic transmissions, torque converter service, hydraulic control systems, electronic transmission control (if applicable), fluid and filter changes.
Drivetrain And Axles:
Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, driveshaft inspection and replacement, CV joints, hub bearings, rear differential service (for AWD models).
Suspension And Steering:
Front and rear suspension components (struts, control arms, ball joints, bushings), power steering system (pump, rack and pinion, hoses), wheel alignment specifications.
Brakes:
Hydraulic brake system, ABS diagnosis and repair, brake fluid flushing, rotor and pad replacement, caliper service, parking brake adjustment.
Electrical System:
Battery, charging system (alternator, regulator), starter motor, lighting systems, fuses and relays, wiring diagrams for all circuits, diagnostic procedures for electrical faults.
Body And Chassis:
Body panel removal and installation, door and window mechanisms, interior trim, chassis lubrication, rust prevention and repair.
Heating Ventilation And Air Conditioning HVAC:
AC system diagnosis, refrigerant handling, compressor service, blower motor, heater core, climate control systems.
Procedures Included
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter replacement, coolant flush, brake fluid replacement, fuel filter replacement, transmission fluid and filter service, differential fluid changes.
Troubleshooting:
Diagnostic flowcharts and procedures for common drivability issues, electrical faults, and mechanical problems. Symptom-based troubleshooting guides.
Component Replacement:
Detailed step-by-step instructions for replacing virtually all major and minor components, from engine parts to interior trim and body panels.
Rebuild And Overhaul:
Comprehensive procedures for engine, transmission, and differential rebuilds, including specifications for machining and clearances.
Special Tools And Procedures:
Identification and usage instructions for specialized tools required for specific repairs and diagnostics.
Technical Depth
Depth:
Comprehensive; covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
📊 Manual Specifications
File Format
Quality:
High-resolution PDF, ensuring clear text and diagrams for readability and printing.
Searchability:
Typically text-searchable, allowing for quick navigation to specific topics.
Print Quality
Printability:
Designed for clear printing of all pages, diagrams, and charts.
Binding Type
Binding:
N/A (Digital PDF format)
Paper Type
Paper Type:
N/A (Digital PDF format)
⚙️ Engine Specifications
Primary Engine
Engine Code Typical:
AHA, ABC (for V6 engines)
Displacement Liters:
2.8
Engine Type:
V6, 30-valve DOHC
Bore X Stroke Mm:
82.5 x 92.8
Compression Ratio:
10.3:1
Performance
Horsepower Hp:
172-190 hp (depending on specific engine variant and market)
Torque Lb-Ft:
184-200 lb-ft (depending on specific engine variant and market)
Fuel System
Fuel Delivery:
Electronic Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline, 91 Octane (Premium)
Fluid Capacity
Engine Oil Capacity Quarts:
6.3 (with filter)
Coolant Capacity Liters:
9.5
🔧 Transmission
Standard
Type:
5-speed Manual Transmission
Optional
Type:
4-speed Automatic Transmission (Tiptronic available on some models)
Features
AWD System:
Torsen T-3 center differential for quattro models, providing continuous torque distribution.
Fluid Capacity
Automatic Transmission Fluid Quarts:
7.5 (G052 162 A2 or equivalent)
Fluid Specifications
Manual Transmission Fluid Type:
SAE 75W-90 Synthetic Gear Oil (API GL-4/GL-5)
📐 Dimensions
Exterior
Length Inches:
190.0
Width Inches:
70.5
Height Inches:
55.2
Wheelbase Inches:
109.1
Front Track Inches:
60.5
Rear Track Inches:
60.4
Weights
Curb Weight Lbs:
3500 - 3800 (approx., depending on FWD/quattro and body style)
Cargo
Trunk Volume Cu Ft:
15.5
🛡️ Safety Features
Ratings
NHTSA Front Impact Rating:
Likely 4-star for driver and passenger (typical for era, specific data may vary).
Active Features
ABS:
Standard Anti-lock Braking System (ABS) on all models.
Traction Control:
Available Traction Control System (ASR) on some models, especially with quattro.
Passive Features
Airbags:
Driver and front passenger airbags.
Seatbelts:
Three-point inertia-reel seatbelts for all occupants, front seatbelt pretensioners.
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player and optional CD changer. Sound system upgrades were available from Audi/Bose.
Climate Control:
Manual or optional automatic climate control systems.
Driver Assistance
Cruise Control:
Standard cruise control system.
Connectivity
Phone Integration:
No factory integrated Bluetooth or smartphone connectivity; aftermarket solutions are typically required.
🔧 Maintenance
Service Intervals
Oil Change Interval Miles:
7,500 miles or 12 months, whichever comes first (using synthetic oil).
Timing Belt Replacement Miles:
60,000 - 100,000 miles (critical, consult manual for exact interval for V6 engines, often around 75,000 miles).
Spark Plug Replacement Miles:
30,000 - 60,000 miles (depending on plug type, iridium plugs offer longer life).
Fluid Specifications
Engine Oil Spec:
SAE 0W-40 or 5W-40 Synthetic (VW 502 00 / 505 00 compliant for later models, consult manual for exact spec for 1995).
Coolant Spec:
G12 or G12+ coolant (ethylene glycol-based) mixed with distilled water at a 50/50 ratio. Specific Audi P/N G012A8DA1 or equivalent.
Brake Fluid Spec:
DOT 4 (e.g., G000450M2 or equivalent).
Known Issues
Ignition Coils:
Premature failure of ignition coils (especially on V6 engines) can lead to misfires.
Coolant Flanges:
Plastic coolant flanges and hose connections can become brittle and leak over time.
Window Regulators:
Power window regulator mechanisms can fail.
Cv Boots:
Torn CV boots can lead to joint damage, particularly on AWD models.
Mass Air Flow Sensor:
MAF sensor can become contaminated or fail, affecting engine performance and fuel economy.
📚 Vehicle History
Brand Heritage
Brand Origins:
Audi AG, a German manufacturer renowned for its engineering, performance, and Quattro all-wheel-drive technology, tracing its roots back to the early 20th century.
Model Evolution
Generation:
Fourth generation Audi 100 (C4 platform), launched in 1991, which was also the basis for the Audi A6.
Facelift:
The C4 platform received a facelift in 1994, and the 1995 model year represents a refined version of this platform before its rebranding to the A6.
Production
Manufacturing Location:
Ingolstadt, Germany and Neckarsulm, Germany.
🏆 Awards & Recognition
Recognitions
Editor Pick:
Often praised by automotive journalists for its build quality, driving dynamics, and the effectiveness of its quattro AWD system, earning it a reputation as a strong contender in the luxury segment.
Choosing a selection results in a full page refresh.