Vehicle Class:
Compact Sports Coupe / Grand Tourer
Target Audience:
Enthusiasts seeking to maintain, repair, or restore their Alfetta GTV.
Key Competitors Era:
BMW 3 Series (E21/E30), Porsche 924, Ford Capri, Toyota Celica, Datsun Z-cars.
Design Philosophy:
Stylish Italian design, rear-wheel drive, Alfa Romeo's renowned twin-cam engines, innovative transaxle layout.
Manual Value Proposition:
Comprehensive factory service data, enabling detailed and accurate maintenance and repairs, saving on professional labor costs.
Engine Mechanical:
Detailed disassembly, assembly, overhaul, and troubleshooting for all engine variants.
Engine Management:
Ignition system, fuel injection systems (mechanical and early electronic), carburetor tuning, emission control systems.
Transmission Manual:
Service, repair, and overhaul of the transaxle (gearbox and differential).
Transmission Automatic:
Coverage for optional automatic transmissions (if applicable to the model years).
Drivetrain:
Propeller shaft, driveshafts, universal joints, clutch service and adjustment.
Suspension:
Front and rear suspension geometry, component replacement (bushings, ball joints, shock absorbers), alignment procedures.
Steering:
Steering box, linkages, power steering system (if equipped).
Brakes:
Front and rear brake system maintenance, overhaul, disc and pad replacement, hydraulic system bleeding, parking brake.
Electrical System:
Wiring diagrams, component testing (alternator, starter, battery), lighting, instrumentation, accessories.
Body And Chassis:
Body panel removal and installation, door mechanisms, glass, interior trim, chassis lubrication.
Heating And Air Conditioning:
HVAC system diagnosis and repair (if applicable).
Fuel System:
Fuel tank, fuel lines, fuel pump, filters, carburetor/injection system specifics.
Cooling System:
Radiator, water pump, thermostat, hoses, fan operation, coolant specifications.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, fluid level checks, lubrication points.
Troubleshooting Diagnostics:
Step-by-step diagnostic procedures for common and uncommon problems across all systems.
Component Replacement:
Detailed instructions for replacing major and minor components.
Overhaul Rebuilding:
Comprehensive guides for rebuilding engines, transmissions, carburetors, and other major sub-assemblies.
Alignment Adjustments:
Wheel alignment specifications and adjustment procedures, carburetor and ignition timing adjustments.
Electrical Diagnostics:
Schematic interpretation, voltage drop testing, continuity testing, fault finding.
Depth Of Information:
Factory-level detail suitable for professional mechanics and experienced DIY enthusiasts.
Illustrations:
Hundreds of detailed photos, diagrams, and exploded views for clarity.
Torque Specifications:
Specific torque values for all critical fasteners and components.
Clearances Tolerances:
Factory specified clearances and tolerances for engine and drivetrain components.
Engine Family:
Alfa Romeo Twin Cam (DOHC)
Common Engine Variants:
1.6L (1570cc), 1.8L (1779cc), 2.0L (1962cc) Petrol
Performance 2.0L Approximate:
Horsepower: 130-150 hp (depending on fuel injection/carburetion), Torque: 130-150 lb-ft
Fuel Delivery:
Twin Dell'Orto carburetors (e.g., DHLA 40) or Bosch L-Jetronic fuel injection (later models).
Fuel Type:
Unleaded Gasoline (Octane rating appropriate for the era, 91-98 RON recommended)
Common Engine Codes:
105.21 (2.0L), 115.31 (1.6L), 115.18 (1.8L) - Note: Specific codes vary by market and sub-model.
Transmission Type Standard:
5-speed Manual Transaxle (mounted at rear for weight distribution)
Transmission Type Optional:
3-speed Automatic (e.g., ZF 3HP12, less common)
Transaxle Layout:
Combined gearbox and differential unit for improved weight distribution and handling.
Manual Gearbox Oil:
GL-4 Gear Oil, SAE 75W-90 or 80W-90 (API GL-4 recommended to protect yellow metals)
Automatic Gearbox Fluid:
Dexron III/Mercon ATF (or equivalent specified for ZF 3HP12)
Oil Change Interval Engine:
Typically every 5,000-7,500 km (3,000-4,500 miles) or 6-12 months, depending on usage and oil type.
Filter Replacement Oil:
Replace with every oil change.
Spark Plug Service:
Inspect every 15,000-20,000 km (9,000-12,500 miles), replace as needed.
Transmission Service:
Check fluid level regularly. Change fluid and filter (if applicable) every 40,000-60,000 km (25,000-37,000 miles).
Engine Oil Type:
API SF/SG or higher, SAE 10W-40 or 15W-50 recommended for most conditions. Check manual for specific viscosity and API rating.
Engine Oil Capacity:
Approx. 4.5-5.0 liters (4.8-5.3 US quarts) with filter, depending on engine variant.
Coolant Type:
Ethylene Glycol based antifreeze, mixed 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 (Check manual for exact specification).
Rust Prone Areas:
Wheel arches, sills, floor pans, rear valence, around windows.
Engine Maintenance Points:
Timing belt (if applicable to variant, though most twin cams used chains), carburetor synchronization, ignition timing, valve adjustments (early models).
Suspension Wear:
Bushings, ball joints, and tie rod ends can wear over time, affecting handling and alignment.
Electrical Gremlins:
Older wiring harnesses can degrade, leading to intermittent electrical issues.
Transaxle Issues:
Clutch slave cylinder leaks, gearbox synchro wear, driveshaft U-joint wear.
Alfa Romeo Legacy:
Long history of sporting vehicles, innovative engineering, and distinctive Italian design.
Predecessors:
Alfa Romeo Giulia GT Series (Bertone coupes).
Design Inspiration:
Styled by Italdesign (Giorgetto Giugiaro), shared platform and mechanicals with the Alfetta sedan and GT coupe.
Major Updates During Production:
Introduction of fuel injection on 2.0L models, minor styling revisions, engine capacity increases.
Manufacturing Location:
Italy
Production Volume:
Significant production numbers for the GTV model range over its lifecycle.
