Market Position:
The Lancia Delta Integrale represents a legendary homologation special, celebrated for its rally success and potent performance. This manual serves enthusiasts and professional mechanics alike, providing the definitive resource for maintaining and repairing these iconic vehicles.
Competitive Analysis:
In its era, the Integrale competed against performance hatchbacks and sedans from brands like Ford (Sierra RS Cosworth), Audi (Sport Quattro), and BMW (M3). The factory manual ensures that owners can maintain the unique engineering and performance characteristics that set the Integrale apart.
Key Features:
This manual is a complete factory service manual, offering unparalleled detail. Its value lies in its lifetime availability, multi-device compatibility, and comprehensive coverage of all mechanical, electrical, and bodywork aspects of the Delta Integrale models from 1986-1993.
Geographic Coverage:
Global (factory specifications)
Vehicle Variants Covered:
All factory Integrale models and variants produced between 1986 and 1993, including HF 4WD, HF Turbo Evoluzione I, and HF Integrale Evoluzione II.
Page Count:
Hundreds of pages (specific count not provided, described as comprehensive)
Manual Type:
Factory Service Repair Workshop Manual
Language:
English (implied by product description, typical for downloadable manuals)
Engine Mechanical:
Complete engine overhaul, timing belt replacement, piston and connecting rod installation, cylinder head reconditioning, valve timing, lubrication system diagnostics, cooling system maintenance.
Engine Management And Electrical:
Fuel injection system troubleshooting (Bosch Motronic variants), ignition system diagnostics, sensor testing (MAP, TPS, Lambda, Crankshaft Position), ECU testing and replacement, wiring diagrams for all circuits, starter and alternator service.
Transmission And Drivetrain:
Manual gearbox disassembly and assembly, clutch replacement, differential overhaul, transfer case service, driveshaft and CV joint inspection and repair, 4WD system diagnostics and maintenance.
Suspension And Steering:
Front and rear suspension component replacement (struts, shocks, control arms, anti-roll bars), wheel alignment procedures, power steering system maintenance and repair, steering rack overhaul.
Brakes:
Brake system diagnosis, hydraulic component replacement (master cylinder, calipers, hoses), ABS system troubleshooting and component testing, rotor and pad replacement, brake bleeding procedures.
Body And Chassis:
Body panel repair and replacement, door mechanism servicing, interior trim removal and installation, chassis inspection and rust prevention, window regulator repair.
HVAC:
Air conditioning system servicing and recharge (R134a), heater core replacement, blower motor diagnostics, climate control unit troubleshooting.
Maintenance:
Scheduled maintenance tasks, oil change procedures, filter replacement intervals, spark plug replacement, coolant flush and replacement, brake fluid flush.
Troubleshooting:
Systematic diagnostic procedures for common and complex issues, fault code interpretation (OBD I), electrical system fault finding, mechanical component noise diagnosis.
Repair:
Step-by-step repair instructions for all major vehicle systems, component removal and installation guidance, engine rebuilding procedures, transmission overhaul.
Diagnostics:
Advanced diagnostic techniques for engine performance, emissions systems, and electrical gremlins, using manufacturer-specific methods and test equipment.
Depth:
Comprehensive. Covers basic servicing to full engine and transmission rebuilds, including advanced electrical diagnostics and chassis work. Detailed exploded views facilitate complex repairs.
Searchability:
Searchable text within PDF
Print Capability:
Printable (single pages or entire manual)
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
License Type:
Lifetime Use, No Expiry, No Renewal Fees
Os Compatibility:
Windows and macOS
Device Compatibility:
Multiple computers, tablets, and smartphones
Engine Code:
Various evolutions of the Lampredi Twin Cam 2.0L Turbocharged Inline-4 (e.g., 831B543, 831E543, 831F543 for Evo I/II)
Displacement:
1995 cc (2.0 Liters)
Bore X Stroke:
84.0 mm x 90.0 mm (typical)
Compression Ratio:
Approx. 8.0:1 to 8.5:1 (variant dependent)
Horsepower:
Approx. 185 hp (HF Turbo) to 215 hp (Evoluzione II)
Torque:
Approx. 294 Nm (30 kgfm) to 304 Nm (31 kgfm)
Fuel Injection:
Bosch Motronic (various versions: ML4.1, M2.5, M2.7)
Fuel Type:
Unleaded gasoline (95-98 RON)
Ignition System:
Electronic ignition with distributor
Emissions Control:
Catalytic converter (later models), Lambda sensor
Cooling Medium:
Ethylene glycol based coolant
Oil Type:
API SG/SH, ACEA A2/B2, SAE 10W-40 or 15W-50 (refer to manual for precise specifications)
Transmission Type:
5-speed Manual Synchromesh
Drivetrain:
Permanent Four-Wheel Drive (4WD) with viscous coupling center differential and Torsen rear differential.
Gear Ratios:
Specific ratios vary by model year and variant, detailed in manual.
Differential Type:
Center: Viscous Coupling; Rear: Torsen Limited Slip
Gearbox Oil:
API GL-4, SAE 75W-90 or 80W-90 (refer to manual for precise specifications)
Transfer Case Oil:
API GL-4, SAE 75W-90 or 80W-90 (refer to manual for precise specifications)
Length:
Approx. 4040 mm (Evoluzione variants)
Width:
Approx. 1770 mm (Evoluzione variants)
Height:
Approx. 1400 mm (Evoluzione variants)
Wheelbase:
Approx. 2475 mm
Wheel Track Front:
Approx. 1480 mm
Wheel Track Rear:
Approx. 1450 mm (Evoluzione variants)
Curb Weight:
Approx. 1250 kg - 1340 kg (depending on variant)
Gross Vehicle Weight:
Approx. 1700 kg
Towing Capacity:
Not officially specified for rally homologation specials.
Crash Test Ratings:
No standardized crash test ratings (e.g., Euro NCAP) available for this era and homologation model.
ABS:
Standard on later Integrale models (ABS II)
Braking System:
Front: Ventilated discs; Rear: Solid discs. Brembo calipers on some variants.
Seatbelts:
3-point seatbelts with pretensioners (later models)
Airbags:
Driver airbag standard on late Evoluzione II models.
Chassis Construction:
Integrated safety cell and crumple zones.
Oil Change Interval:
Every 7,500 - 10,000 km or annually (refer to manual for specific conditions).
Timing Belt Replacement Interval:
Every 60,000 km or 5 years (critical interval).
Spark Plug Replacement:
Every 20,000 - 30,000 km (depending on plug type).
Coolant Replacement Interval:
Every 2-3 years.
Engine Oil Capacity:
Approx. 4.5 Liters (with filter).
Coolant Capacity:
Approx. 7.0 Liters.
Rust Corrosion:
Common issue in wheel arches, sills, and around the rear window. Regular inspection and treatment are vital.
Engine Reliability:
Weak points include the water pump seal and potential turbocharger issues if not maintained. Timing belt integrity is paramount.
Electrical Gremlins:
Aging wiring looms, particularly earth points and connections, can lead to intermittent issues.
Gearbox Synchromesh:
Wear on synchromesh rings can cause notchy gear changes, especially in lower gears.
Oil Filter Example Part Number:
Mann-Filter W940/1, Mahle OC157 (refer to manual for exact OEM part numbers)
Timing Belt Kit Example Part Number:
Gates TCK105 (refer to manual for exact OEM part numbers)
Brand Heritage:
Lancia has a deep-rooted history in motorsport, particularly rallying. Founded in 1906, the brand is synonymous with innovation, style, and performance on the world stage.
Model Evolution:
Evolved from the standard Lancia Delta, the Integrale was developed specifically for Group A rally homologation. Key iterations include the HF 4WD, HF Turbo, Evoluzione I (or '8v'), and the final Evoluzione II ('16v'). Each iteration saw significant mechanical and aerodynamic upgrades.
Production Period:
1986-1993 for the Integrale variants covered by this manual.
Manufacturing Location:
Turin, Italy
Rally Heritage:
The Delta Integrale dominated the World Rally Championship, securing six consecutive constructor's titles from 1987 to 1992. This manual provides insights into the production versions that were derived from these rally cars.
