Positioning:
The Alfa Romeo 75 was positioned as a premium sports sedan, embodying the brand's heritage of performance and distinctive styling.
Competitors:
Competed against other European sports sedans such as the BMW 3 Series (E30), Mercedes-Benz 190E, and Audi 80/90.
Design Philosophy:
Unique transaxle layout for better weight distribution and handling, rear-mounted transaxle, independent rear suspension (on some models), driver-focused cockpit.
Manual Purpose:
Empower owners to perform maintenance and repairs themselves, saving significant costs and fostering a deeper understanding of their vehicle.
Vehicle Coverage:
All Alfa Romeo 75 models and engine variants produced between 1985 and 1992.
Estimated Page Count:
High (exact number not specified, but described as 'full professional quality in depth')
Type:
Workshop Repair Manual / Service Manual
Delivery Method:
Instant Download
Operating Systems:
PC, MAC, Tablets, Smartphones (Linux compatible)
Engine Mechanical:
Engine assembly, disassembly, timing, cooling system, lubrication system, fuel delivery, exhaust system.
Engine Management:
Ignition system, fuel injection (Bosch Motronic, Weber Marelli), emissions control.
Transmission:
Manual transaxle (5-speed Alfetta transaxle), clutch, driveshafts, differential.
Suspension:
Front independent suspension (transverse wishbones, coil springs), rear de Dion axle, Watt's linkage, Panhard rod, coil springs.
Brakes:
Front disc brakes (inboard mounted), rear disc brakes (mounted inboard on transaxle), brake system hydraulics, parking brake.
Steering:
Rack and pinion steering system, power steering components.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting, instrumentation, accessory circuits.
Bodywork:
Body and chassis construction, exterior trim, doors, windows, body seals, interior trim, body repairs.
Maintenance:
Routine servicing, oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt tensioning.
Repair:
Engine overhauls, transmission repairs, suspension component replacement, brake caliper rebuilds, electrical component diagnosis and replacement.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, electrical circuit testing procedures.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems.
Depth:
In-depth, professional quality covering all areas of service, repair, and maintenance from routine tasks to complete overhauls.
Engine Options:
Various Twin Cam (bialbero) inline-4 engines: 1.6L, 1.8L, 2.0L. V6 engines: 2.5L (Busso V6), 3.0L (Busso V6).
Engine Variant 2.0 Twin Cam Power:
Approximately 128 hp (95 kW)
Engine Variant 2.5 Busso V6 Power:
Approximately 158 hp (116 kW)
Fuel Delivery:
Carbureted (Zenith, Weber) on earlier models and base engines, Bosch L-Jetronic or Motronic fuel injection on later and performance models.
Cylinder Arrangement:
Inline (4-cylinder), V (6-cylinder)
Wheelbase:
Approximately 2510 mm (98.8 inches)
Length:
Approximately 4340 mm (170.9 inches)
Width:
Approximately 1680 mm (66.1 inches)
Height:
Approximately 1390 mm (54.7 inches)
Curb Weight:
Varies by model and engine, typically 1150-1350 kg (2535-2976 lbs)
Crash Test Results:
Not widely available in modern standardized formats as the vehicle predates extensive global crash testing protocols. Focus was on occupant protection through chassis design.
Braking System:
Four-wheel disc brakes (front inboard), ABS available on some later/performance models.
Seatbelts:
Standard three-point seatbelts.
Body Structure:
Reinforced passenger cell with crumple zones.
Audio System:
Factory fitted radio/cassette player, typically with basic AM/FM tuning and speaker systems. Upgrades were common.
Instrumentation:
Comprehensive analog gauges including speedometer, tachometer, fuel level, coolant temperature, oil pressure. Check engine light (on fuel-injected models).
ABS:
Anti-lock Braking System (ABS) was an option on later models or standard on performance variants.
Connectivity Features:
None in the modern sense. Communication was limited to the analog dashboard and optional power features.
Oil Change Interval:
Typically every 5,000-7,500 km (3,000-5,000 miles) or annually, depending on usage and oil quality.
Timing Belt Replacement:
Crucial for Twin Cam engines; typically every 40,000-60,000 km (25,000-37,000 miles) or 4-5 years. The manual would detail the exact procedure and torque settings.
Engine Oil Recommendation:
API SG/SH or ACEA A2/A3, viscosity typically 10W-40 or 20W-50, depending on climate. Manual will specify exact grades and capacities.
Coolant Type:
Ethylene glycol-based antifreeze mixture. Manual specifies capacity and recommended mixture ratio.
Brake Fluid Type:
DOT 3 or DOT 4.
Gearbox Oil Specification:
Manual transmission fluid (MTF), GL-4 rated, SAE 75W-90 or 80W-90. Capacity would be specified for the transaxle unit.
Rust Prone Areas:
Wheel arches, sills, door bottoms, battery tray, rear suspension mounting points.
Engine Specific:
Timing belt tensioner issues on some Twin Cam engines, camshaft wear, potential for head gasket leaks. Busso V6 engines known for timing belt tensioner and cam chain tensioner wear.
Electrical Gremlins:
Can suffer from aging wiring insulation, corroded connections, and issues with the fuse box and relays, common in cars of this era.
Suspension Wear:
Wear in bushings, ball joints, and particularly the rear de Dion axle mounting points can lead to handling degradation.
Heritage:
Alfa Romeo has a long-standing reputation for producing sporting cars with engaging driving dynamics, distinctive Italian styling, and a passionate following.
Predecessor:
Successor to the Alfa Romeo Alfetta and Alfa Romeo Giulietta Nuova.
Design Inspiration:
Designed by Giuseppe Begnini, continuing the technical and design themes of the Alfetta platform.
Manufacturing Location:
Alfa Romeo plants in Italy (e.g., Pomigliano d'Arco).
Facelifts:
Received minor facelifts and updates during its production run, including revised interior trim, styling tweaks, and engine upgrades.
Sporting Credentials:
The Alfa Romeo 75 (often referred to as Milano in North America) was praised for its handling dynamics and sporty character, continuing Alfa's sporting legacy.
Driving Experience:
Consistently lauded by automotive journalists of the era for its engaging driving experience, direct steering feel, and well-balanced chassis.
Manual Quality Certification:
Described as 'full professional quality', indicating it meets high standards for technical accuracy and comprehensiveness.