General Coverage:
        
        
            Comprehensive service, repair, maintenance, and troubleshooting for the 1978 Alfa Romeo Alfetta.
        
     
    
    
        
            Estimated Pages:
        
        
            Detailed page count not specified, but described as covering topics found in factory service and owner's manuals, implying substantial content.
        
     
    
    
        
            Primary Type:
        
        
            Repair Service Manual
        
     
    
        
            Secondary Type:
        
        
            Workshop Manual, Service Manual
        
     
    
        
            Purpose:
        
        
            Aids in maintaining, diagnosing, and repairing the Alfa Romeo Alfetta 1978.
        
     
    
    
    
    
    
        
            Delivery Method:
        
        
            Instant Download
        
     
    
        
            Compatibility:
        
        
            All Versions of Windows & Mac
        
     
    
        
            Searchability:
        
        
            PDF format generally allows for text searching if the PDF is text-based.
        
     
    
    
        
            Software Requirements:
        
        
            Adobe PDF Reader & WinZip
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine mechanicals, fuel system, ignition system, cooling system, exhaust system, transmission (manual and automatic, if applicable).
        
     
    
        
            Chassis:
        
        
            Suspension (front and rear), steering system, braking system, wheels and tires.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, lighting, ignition, starting system, charging system, instrumentation, accessories.
        
     
    
        
            Bodywork:
        
        
            Body construction, exterior trim, interior components, body repair, glass and seals.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, hoses, and fan operation.
        
     
    
        
            Exhaust System:
        
        
            Manifolds, pipes, muffler, and catalytic converter (if fitted).
        
     
    
        
            Ignition System:
        
        
            Distributor, coil, spark plug wires, timing adjustments.
        
     
    
        
            Instrumentation:
        
        
            Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, and their associated sensors.
        
     
    
        
            Fuel Tank And Lines:
        
        
            Inspection, cleaning, and replacement of fuel system components.
        
     
    
    
        
            Maintenance:
        
        
            Regular maintenance schedules, fluid changes, filter replacements, lubrication.
        
     
    
        
            Repair:
        
        
            Step-by-step repair procedures for all major mechanical and electrical components.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for identifying and resolving common problems.
        
     
    
        
            Disassembly Assembly:
        
        
            Detailed instructions for component removal, overhaul, and reinstallation.
        
     
    
        
            Cleaning Reinstalling:
        
        
            Procedures for cleaning parts and correct reinstallation.
        
     
    
        
            Engine Rebuild:
        
        
            Detailed procedures for engine disassembly, inspection, component replacement (pistons, rings, bearings, valves), and reassembly.
        
     
    
        
            Transmission Overhaul:
        
        
            Procedures for servicing or overhauling the manual transaxle, including clutch replacement.
        
     
    
        
            Brake System Service:
        
        
            Pad and disc replacement, caliper overhaul, brake line bleeding, and adjustment.
        
     
    
        
            Suspension Components:
        
        
            Replacement of shock absorbers, springs, bushings, control arms, and tie rod ends.
        
     
    
        
            Body Panel Repair:
        
        
            Guidance on minor bodywork, dent removal, and panel alignment.
        
     
    
    
        
            Depth:
        
        
            Covers fundamentals to advanced repair, akin to factory technician knowledge, suitable for DIY mechanics with basic knowledge.
        
     
    
        
            Diagnostics:
        
        
            Includes diagnostic procedures for identifying faults in mechanical, electrical, and fuel systems.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Typically every 5,000 - 7,500 km (3,000 - 4,500 miles) or 6 months, depending on driving conditions.
        
     
    
        
            Tune Up:
        
        
            Recommended every 15,000 - 20,000 km (9,000 - 12,000 miles) including spark plugs, points, condenser, and filter checks.
        
     
    
    
        
            Engine Oil:
        
        
            API SF or SG classification, viscosity typically 10W-40 or 20W-50 depending on climate. Check specific manual for exact grade.
        
     
    
        
            Coolant:
        
        
            Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio). Capacity around 7-8 liters.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 (check manual for specific type), typically replaced every 2 years due to hygroscopic nature.
        
     
    
        
            Transmission Fluid:
        
        
            GL-4 gear oil (e.g., 75W-90 or 80W-90) for manual transaxle. Automatic transmission fluid (ATF) for automatic versions.
        
     
    
        
            Rear Axle Fluid:
        
        
            GL-5 gear oil may be specified for the differential portion of the transaxle, check specific manual for correct type.
        
     
    
    
        
            Rust Prone Areas:
        
        
            Wheel arches, sills, door bottoms, and around the front/rear screens are susceptible to rust.
        
     
    
        
            Electrical Gremlins:
        
        
            Older Alfa Romeos can develop electrical issues due to age and vibration; thorough inspection of wiring and grounds is recommended.
        
     
    
        
            Fuel System Maintenance:
        
        
            Carburetor tuning and fuel filter replacement are crucial for optimal performance. Injector cleaning for FI models.
        
     
    
        
            Suspension Wear:
        
        
            Bushings and ball joints can wear over time, affecting handling and ride quality.
        
     
    
        
            Carburetor Issues:
        
        
            Vulnerability to gumming if fuel sits for extended periods; requires regular cleaning and adjustment for optimal idle and performance.
        
     
 
    
    
    
        
            Alfa Romeo Legacy:
        
        
            Alfa Romeo is renowned for its sporting heritage, distinctive Italian design, and engaging driving dynamics.
        
     
    
    
        
            Alfetta Introduction:
        
        
            The Alfetta was introduced in 1972 as a compact executive car, notable for its rear-mounted transaxle and advanced engineering for its time.
        
     
    
        
            1978 Context:
        
        
            The 1978 model represents a mature phase of the Alfetta's development, prior to some of the later facelifts and engine updates.
        
     
    
        
            Technical Innovation:
        
        
            The transaxle layout was a significant engineering feature, contributing to improved weight distribution and handling.
        
     
    
    
        
            Production Period:
        
        
            1972–1984