🏷️ Basic Information

Make:

Alfa Romeo

Model:

75

Trim:

2.5 V6 Milano

Years Covered:

1985-1989

Chassis Code:

Type 115

👋 Introduction

Positioning:

The Alfa Romeo 75 represented a blend of performance, distinctive Italian styling, and rear-wheel drive dynamics in the compact executive sedan segment of its era.

Competitors:

Competed against models like the BMW 3 Series (E30), Mercedes-Benz 190E, and Audi 80/90.

Styling:

Distinctive wedge-shaped styling designed by Centro Stile Alfa Romeo, a departure from previous generations.

Powertrain:

Featured the legendary Alfa Romeo Busso V6 engine, known for its incredible sound and performance.

Handling:

Rear-wheel drive with a transaxle (gearbox and differential mounted at the rear) for improved weight distribution and handling characteristics.

Manual Advantage:

Provides detailed, factory-level repair and maintenance information, empowering owners to maintain their classic Alfa Romeo themselves.

📋 Manual Details

General Information:

True

Specifications:

True

Technical Features And Description:

True

Rigging Information:

True

Troubleshooting:

True

Electrical System:

True

Fuel System:

True

Power Unit Engine:

True

Lower Unit Transmission And Drivetrain:

True

Bracket Unit Suspension And Chassis:

True

Maintenance:

True

Index:

True

Appendix:

True

Estimated Pages:

Comprehensive (exact count not specified but implied by 'lot of information' and detailed coverage)

Type:

Service Repair Factory Manual

Language:

English

Format:

PDF

Compatibility:

All Versions of Windows & Mac

Reader Requirement:

Adobe PDF Reader

📖 Manual Coverage

Engine:

Detailed engine overhaul, tuning, diagnosis, and component replacement for the 2.5 V6 Busso engine.

Fuel System:

Includes fuel injection system (Bosch L-Jetronic or Motronic depending on year), fuel pump, lines, and tank maintenance.

Ignition System:

Covers distributor, ignition coil, spark plug wires, and electronic control unit (ECU) for ignition timing.

Cooling System:

Radiator, thermostat, water pump, coolant hoses, and fan operation.

Lubrication System:

Oil pump, oil filter, oil pan, and lubrication passages for the V6 engine.

Transmission:

Procedures for manual transmission (5-speed) removal, installation, overhaul, and fluid changes. Rear transaxle integrated with differential.

Clutch:

Hydraulic clutch system, clutch disc, pressure plate, and release bearing replacement.

Drivetrain:

Propeller shaft, driveshafts, universal joints, and differential maintenance.

Suspension:

Front independent suspension (MacPherson struts), rear independent suspension (Watt's linkage and trailing arms), shock absorbers, springs, and bushings.

Steering:

Power steering system, steering rack, tie rods, and steering column adjustments.

Brakes:

Front ventilated discs, rear discs (often inboard), brake calipers, master cylinder, brake lines, and parking brake system.

Electrical System:

Comprehensive wiring diagrams, fuse box layout, battery, alternator, starter motor, lighting, instrumentation, and ancillary electrics.

Body And Chassis:

Body panel removal and installation, door mechanisms, interior trim, and chassis structural information.

HVAC:

Heating, ventilation, and air conditioning system components and servicing.

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, coolant flushes, belt inspections, and brake fluid checks.

Troubleshooting Diagnostics:

Step-by-step diagnostic procedures for common and complex issues across all major systems.

Engine Repair:

Engine rebuilds, head gasket replacement, valve adjustments, piston ring replacement, and crankshaft service.

Transmission Overhaul:

Complete disassembly and reassembly of the gearbox and differential.

Suspension And Steering Repair:

Replacement of ball joints, bushings, tie rods, wheel bearings, and steering rack repairs.

Brake System Overhaul:

Brake caliper rebuild, rotor replacement, brake line repairs, and master cylinder replacement.

Electrical Component Testing And Replacement:

Diagnosis of electrical faults, testing of sensors, actuators, and replacement of components like alternators, starters, and ECUs.

Bodywork Repair:

Guidelines for common body panel repairs and adjustments.

Rigging And Lifting:

Information on safely lifting and supporting the vehicle for mechanical work.

Depth:

Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds, with detailed diagnostic information and wiring schematics.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable due to PDF format and digital origin.

Zoom Capability:

Yes, as stated in the product description, allowing clear viewing of details.

Quality:

Digital high quality, printable.

Type:

Not applicable (electronic format).

Type:

Not applicable (electronic format).

⚙️ Engine Specifications

Engine Code:

AR06120 (2.5 V6)

Engine Type:

Naturally aspirated V6

Displacement:

2492 cc (2.5 Liters)

Bore X Stroke:

90 mm x 66.2 mm

Compression Ratio:

9.3:1

Valvetrain:

DOHC (Double Overhead Camshafts), 2 valves per cylinder

Horsepower:

156 hp (116 kW) @ 5800 rpm (approximate, can vary slightly by year/market)

Torque:

222 Nm (164 lb-ft) @ 3000 rpm (approximate)

Fuel Delivery:

Bosch L-Jetronic or Motronic fuel injection (depending on specific year and market variations).

Fuel Type:

Unleaded gasoline (RON 95 or higher recommended)

🔧 Transmission

Type:

5-speed manual transaxle

Type:

Some models may have offered an optional automatic transmission (e.g., ZF 3HP22), though less common for the 2.5 V6 Milano.

Layout:

Rear-mounted transaxle configuration integrating the gearbox and differential for optimal weight distribution.

📐 Dimensions

Length:

Approx. 4350 mm (171.3 in)

Width:

Approx. 1680 mm (66.1 in)

Height:

Approx. 1370 mm (53.9 in)

Wheelbase:

Approx. 2550 mm (100.4 in)

Curb Weight:

Approx. 1250-1300 kg (2755-2866 lbs), depending on equipment.

🛡️ Safety Features

Era Standard:

Safety features aligned with European standards of the mid-to-late 1980s. Lacked modern advanced safety systems.

Braking:

Four-wheel disc brakes (ventilated front) were standard on V6 models.

Steering:

Power-assisted steering for improved maneuverability.

Seatbelts:

Front three-point seatbelts, rear lap belts.

Body Structure:

Reinforced safety cell construction.

💡 Technology Features

Radio:

Typically featured an aftermarket or factory-optional radio/cassette player.

Speakers:

Standard speaker configuration, usually in doors and rear parcel shelf.

ABS:

Anti-lock Braking System (ABS) was an optional feature on some models, but not standard across all 75 variants.

Connectivity:

No modern connectivity features like Bluetooth or USB ports were available.

🔧 Maintenance

Oil Change:

Recommended every 5,000-7,500 miles (8,000-12,000 km) or annually, whichever comes first.

Oil Filter Replacement:

With every oil change.

Air Filter Replacement:

Every 10,000-15,000 miles (16,000-24,000 km).

Spark Plugs:

Inspect every 15,000 miles (24,000 km), replace as needed (typically at 30,000-40,000 miles / 48,000-64,000 km).

Coolant Flush:

Every 2-3 years or 30,000 miles (48,000 km).

Timing Belt:

Crucial: Replace every 30,000 miles (48,000 km) or 3-4 years due to interference engine design. Catastrophic failure if it breaks.

Engine Oil:

SAE 10W-40 or 10W-50 synthetic or semi-synthetic oil meeting API SG or higher specification.

Engine Oil Capacity:

Approx. 4.5 Liters (4.8 US Quarts) with filter.

Coolant:

50/50 mix of ethylene glycol antifreeze and distilled water.

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

Transmission Fluid:

API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90.

Differential Fluid:

API GL-5 gear oil, SAE 80W-90.

Power Steering Fluid:

ATF (Automatic Transmission Fluid) Dexron II or equivalent.

Engine:

Timing belt failure (critical maintenance point), potential for oil leaks (valve cover gaskets, oil pan), cooling system component aging (radiator, hoses), and wear on the Bosch fuel injection system.

Electrical:

Aging wiring harnesses can lead to intermittent electrical faults; specific issues with fuel pump relays, ignition modules, and voltage regulators.

Suspension:

Wear in bushings (control arm, subframe), ball joints, and tie rod ends due to age and road conditions.

Rust:

Susceptible to rust, particularly in wheel arches, sills, and around the battery tray, common for vehicles of this era from wetter climates.

📚 Vehicle History

Heritage:

Alfa Romeo, an Italian manufacturer with a rich racing history, is renowned for its sporty cars, distinctive engines, and passionate engineering.

Predecessor:

Successor to the Alfa Romeo Giulietta (Type 116). The 75 was the last rear-wheel-drive Alfa Romeo sedan.

Name Origin:

Named the '75' to commemorate Alfa Romeo's 75th anniversary in 1985.

Milano Designation:

The 'Milano' designation was primarily for the North American market, indicating specific trim and equipment levels.

Production Years:

1985–1992 (global production of the 75 series)

Manufacturing Location:

Italy

🏆 Awards & Recognition

Automotive Press:

The Alfa Romeo 75, especially the V6 models, was often praised by automotive journalists for its engaging driving dynamics, passionate engine, and unique Italian character, despite some criticisms regarding build quality and minor electrical gremlins common to Italian cars of the period.