🏷️ Basic Information

Make:

Lancia

Model:

Delta Prisma 4WD

Model Generation:

Delta (1979-1994), specifically Prisma variants with 4WD

Model Codes:

HF Integrale, Integrale Evoluzione I, Integrale Evoluzione II (relevant to 4WD chassis, though Prisma designation may vary historically)

👋 Introduction

Market Position:

The Lancia Delta, particularly its 4WD variants like the HF Integrale, occupied a unique niche in the performance hatchback segment, celebrated for its rallying heritage and advanced all-wheel-drive system.

Competitive Analysis:

Competed with performance-oriented vehicles of its era, often praised for superior handling and traction in adverse conditions compared to its front-wheel-drive counterparts. Its rally homologation status further boosted its prestige.

Key Features:

Iconic rally homologation special, advanced permanent four-wheel-drive system, powerful turbocharged engines, robust chassis and suspension derived from racing.

Manual Value Proposition:

Provides essential, manufacturer-backed technical data for the maintenance and repair of the Lancia Delta Prisma 4WD, crucial for preserving this performance classic.

📋 Manual Details

Coverage Areas:

All Lancia Delta Prisma 4WD models

Page Count:

Not specified in product information, but expected to be comprehensive for a service manual.

Manual Type:

Factory Service Manual (FSM), Repair Manual, Workshop Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Systems Covered:

Engine, Clutch, Gearbox and Differential, Propeller Shaft, Rear Differential, Braking System, Steering, Suspension and Wheels, Auxiliary Units, Electrical Equipment, Bodywork

Procedures Included:

Service Information, Step-by-step disassembly and reassembly, Inspection, Maintenance, Component Identification, Unit Repair, Troubleshooting, Installation

Technical Depth:

Comprehensive; suitable for trained mechanics, but detailed enough for DIY owners with mechanical aptitude. Includes detailed service specifications.

📊 Manual Specifications

File Format:

PDF

Compatibility:

All Versions of Windows & Mac

Requirements:

Adobe PDF Reader, WinRAR

Print Quality:

Excellent

Binding Type:

Digital Download (PDF)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Engine Type:

Inline-4 Cylinder, Turbocharged, DOHC

Engine Displacement:

Commonly 2.0 Liters (1995cc), with variations across different HF Integrale generations.

Horsepower:

Typically ranging from 180 HP (HF Turbo) to over 210 HP (Integrale Evoluzione models), depending on year and specific variant.

Torque:

Significant torque figures, typically around 250-300 Nm (185-220 lb-ft), optimized for acceleration and pulling power.

Fuel Injection:

Bosch L-Jetronic or similar multi-point fuel injection systems.

Cooling System:

Pressurized liquid-cooled system with a radiator, fan, and expansion tank.

Ignition System:

Electronic ignition system with distributor or distributorless ignition (DIS) on later models.

🔧 Transmission

Transmission Type:

5-Speed Manual Transmission

Optional Transmission:

Not generally available for the 4WD performance variants; manual was standard.

Drive System:

Permanent Four-Wheel-Drive (4WD) with a sophisticated torque-splitting viscous coupling and/or center differential system.

Clutch Type:

Hydraulically operated single dry plate clutch.

Gearbox Oil Type:

Likely GL-4 or GL-5 hypoid gear oil (specific grade like SAE 75W-90 or 80W-90 would be detailed in the manual).

📐 Dimensions

Body Style:

5-door Hatchback (Prisma was a saloon variant, but 4WD systems are most associated with Delta hatchback platform).

Length:

Approximately 4000-4200 mm (varies by specific Delta generation and body kit).

Width:

Approximately 1700-1750 mm.

Height:

Approximately 1350-1400 mm.

Curb Weight:

Approximately 1250-1350 kg, depending on specification and equipment.

Wheelbase:

Approximately 2475 mm.

Wheel Bolt Pattern:

Typically 4x98mm or 5x98mm (common Fiat/Lancia pattern, specific to model era).

🛡️ Safety Features

Safety Ratings:

N/A (Modern safety rating systems were less prevalent during its production era. Focus was on active safety through handling.)

Active Safety Features:

Advanced 4WD system for enhanced traction and stability, powerful disc brakes (often ventilated front), responsive steering.

Passive Safety Features:

Reinforced body structure, front seat belts, potentially optional side impact beams on later models.

💡 Technology Features

Infotainment Features:

Basic for its era. Typically included an analog radio, cassette player, and speaker system. Some later models might have offered more advanced audio options.

Driver Assistance Features:

The primary driver assistance was the advanced 4WD system, providing superior traction and handling. No electronic stability control or advanced driver-assistance systems (ADAS) were available.

Connectivity Features:

N/A. No provisions for modern connectivity like Bluetooth or USB ports.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-10,000 km or 6-12 months, with specific recommendations in the manual.

Timing Belt Replacement:

Crucial on these interference engines, usually around 60,000-80,000 km or 5 years. Critical detail found in the manual.

Fluid Change Intervals:

Transmission, differential, brake fluid, and coolant changes at intervals specified in the manual (e.g., every 40,000-60,000 km or 2-3 years).

Engine Oil Type:

High-quality synthetic or semi-synthetic engine oil, typically 10W-40 or 15W-50, meeting API SG/SH or ACEA A2/A3 specifications (exact grade detailed in manual).

Coolant Type:

Ethylene glycol-based antifreeze/coolant, typically a long-life formulation, mixed with distilled water.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid, depending on system specification. Regular flushing is recommended.

Common Issues:

Rust on body panels (especially sills, wheel arches), turbocharger wear, radiator leaks, aging rubber hoses and seals, potential differential seal leaks, clutch wear, occasional electrical gremlins.

Common Issues 4Wd System:

Wear in the viscous coupling unit and differential components, requiring specialized fluid changes and attention to prevent premature failure.

📚 Vehicle History

Brand Heritage:

Lancia boasts a rich history in motorsport, particularly in rallying, with the Delta platform serving as a cornerstone of this success.

Model Evolution:

The Delta platform evolved significantly from its introduction in 1979. The 4WD variants, especially the HF Integrale, were developed for rally homologation, leading to numerous performance enhancements over the years (e.g., larger turbos, engine upgrades, revised suspension, wider tracks).

Production Period:

The Lancia Delta was produced from 1979 to 1994. 4WD variants, including the Integrale, were introduced from the mid-1980s onwards.

Manufacturing Location:

Italy

🏆 Awards & Recognition

Motorsport Achievements:

The Lancia Delta HF Integrale is legendary for its dominance in the World Rally Championship (WRC), securing multiple manufacturer and driver titles throughout the late 1980s and early 1990s. This manual supports the vehicles derived from that racing pedigree.