🏷️ Basic Information Identification Make: Lancia Model: Dedra Product Name: 1989-1993 Lancia Dedra Petrol Adjustment Data Codes Engine Code 1 6: 835 A1.000 Engine Code 1 8: 835 A2.000 Engine Code 2 0: 835 A5.000 Engine Code 2 0 Turbo: 835 A8.000 👋 Introduction Market Position Target Audience: Lancia Dedra owners, independent mechanics, performance tuners Competitive Analysis Niche Information: Focuses on a specific yet crucial aspect (engine tuning data) often fragmented in general manuals Key Features Value Proposition: Provides essential, often hard-to-find adjustment specifications for Lancia Dedra petrol engines 📋 Manual Details Coverage Areas Engine Tuning And Adjustment: Specific data for petrol engines Vehicle Variants: 1.6, 1.8, 2.0, 2.0 Turbo Petrol models Page Count Estimated Pages: N/A (PDF, extent varies based on specific data) Manual Type Manual Category: Technical Data/Adjustment Manual Language Primary Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Ignition timing, fuel mixture settings, idle speed adjustments Carburetor Settings: Fuel/air mixture, idle speed for relevant models Fuel Injection Parameters: Base idle, base timing (where applicable via ECU adjustment) Procedures Included Engine Tuning: Adjustment procedures for optimal performance and emissions Diagnostic Adjustment: Setting parameters for diagnosis and troubleshooting Technical Depth Expertise Level: Intermediate to Advanced (requires mechanical and diagnostic knowledge) Scope: Specific adjustment data, not comprehensive repair procedures 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High (digital text and potentially scanned diagrams) Binding Type Physical Format: N/A (Digital product) Paper Type Physical Format: N/A (Digital product) ⚙️ Engine Specifications Primary Engine Engine 1 6 L4 DOHc: 1.6L (1585 cc) Inline-4 DOHC Engine 1 8 L4 DOHc: 1.8L (1756 cc) Inline-4 DOHC Engine 2 0 L4 DOHc: 2.0L (1995 cc) Inline-4 DOHC Engine 2 0 Turbo L4 DOHc: 2.0L (1995 cc) Turbocharged Inline-4 DOHC Performance Power Output Range: Approx. 90 HP (1.6) to 135 HP (2.0 Turbo) - specific values vary by exact engine variant and market Torque Range: Approx. 130 Nm (1.6) to 200 Nm (2.0 Turbo) - specific values vary Fuel System Injection Systems: Bosch LE2-Jetronic, Weber Marelli IAW (depending on engine and market) Carbureted Models: Some early 1.6 models may have had carburetors (e.g., Solex), though the manual specifies 'Petrol Adjustment Data' which typically leans towards EFI systems of the era. 🔧 Transmission Standard Transmission Type: 5-speed manual transaxle Optional Transmission Type: 4-speed automatic transaxle Features Gear Ratios: Specific gear ratios not detailed in product description, but are a focus of adjustment data manuals. Clutch Type: Hydraulically actuated single dry plate clutch 📐 Dimensions Exterior Body Styles: 4-door Sedan (Berlina), 5-door Estate (Weekend) Wheelbase: Approx. 2665 mm Length: Approx. 4340 mm (Sedan) / 4425 mm (Estate) Weights Curb Weight Range: Approx. 1200 - 1400 kg 🛡️ Safety Features Ratings Era Safety Standards: Designed to meet European safety standards of the late 1980s/early 1990s. Active Features Braking System: Front: Ventilated discs; Rear: Discs. ABS available on higher trims/later models. Passive Features Airbags: Driver airbag typically optional or standard on later/higher trims, passenger airbag not common for this era. Seatbelts: Front and rear seat belts, pre-tensioners on front seats (market dependent). 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with separate amplifier for better sound quality. Climate Control: Manual or automatic climate control available on higher trims. Driver Assistance ABS: Anti-lock Braking System available as an option on some models, becoming more standard towards the end of the production run covered. Connectivity Diagnostic Ports: OBD-I style diagnostic connectors present, though less standardized than modern systems. Access is typically via specialized tools or direct ECU interaction for this era. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 km or 12 months, depending on driving conditions (refer to specific model year recommendations). Timing Belt Replacement: Crucial for DOHC engines; typically 60,000-90,000 km or 5-6 years (interference engine, failure can cause catastrophic damage). Spark Plug Replacement: Varies by plug type, usually 30,000-60,000 km. Fluid Specifications Engine Oil: API SG/SH, ACEA A2/A3; Viscosity typically 10W-40 or 5W-40 (check manual for exact grade based on climate). Coolant: Ethylene glycol based antifreeze, mixture ratio 50:50 with distilled water. Brake Fluid: DOT 3 or DOT 4, with periodic replacement recommended (e.g., every 2 years). Transmission Fluid Manual: GL-4 spec gear oil, SAE 75W-90 or 80W-90. Transmission Fluid Automatic: Dexron II or equivalent (check manual for precise specification). Known Issues Electrical Gremlins: Common for Italian cars of this era; can include intermittent issues with sensors, wiring, or control modules. Rust Perforation: Can be an issue, particularly on wheel arches, sills, and boot edges. Underbody protection is key. Engine Management Sensors: Lambda sensors (oxygen sensors), airflow meters, and idle control valves can be prone to failure over time, affecting performance and fuel economy. Suspension Components: Worn control arm bushings, ball joints, and shock absorbers are common maintenance items. Turbocharger Reliability: The 2.0 Turbo requires diligent...
Base idle, base timing (where applicable via ECU adjustment)
Procedures Included
Engine Tuning:
Adjustment procedures for optimal performance and emissions
Diagnostic Adjustment:
Setting parameters for diagnosis and troubleshooting
Technical Depth
Expertise Level:
Intermediate to Advanced (requires mechanical and diagnostic knowledge)
Scope:
Specific adjustment data, not comprehensive repair procedures
📊 Manual Specifications
File Format
Digital Format:
PDF
Print Quality
Readability:
High (digital text and potentially scanned diagrams)
Binding Type
Physical Format:
N/A (Digital product)
Paper Type
Physical Format:
N/A (Digital product)
⚙️ Engine Specifications
Primary Engine
Engine 1 6 L4 DOHc:
1.6L (1585 cc) Inline-4 DOHC
Engine 1 8 L4 DOHc:
1.8L (1756 cc) Inline-4 DOHC
Engine 2 0 L4 DOHc:
2.0L (1995 cc) Inline-4 DOHC
Engine 2 0 Turbo L4 DOHc:
2.0L (1995 cc) Turbocharged Inline-4 DOHC
Performance
Power Output Range:
Approx. 90 HP (1.6) to 135 HP (2.0 Turbo) - specific values vary by exact engine variant and market
Torque Range:
Approx. 130 Nm (1.6) to 200 Nm (2.0 Turbo) - specific values vary
Fuel System
Injection Systems:
Bosch LE2-Jetronic, Weber Marelli IAW (depending on engine and market)
Carbureted Models:
Some early 1.6 models may have had carburetors (e.g., Solex), though the manual specifies 'Petrol Adjustment Data' which typically leans towards EFI systems of the era.
🔧 Transmission
Standard
Transmission Type:
5-speed manual transaxle
Optional
Transmission Type:
4-speed automatic transaxle
Features
Gear Ratios:
Specific gear ratios not detailed in product description, but are a focus of adjustment data manuals.
Clutch Type:
Hydraulically actuated single dry plate clutch
📐 Dimensions
Exterior
Body Styles:
4-door Sedan (Berlina), 5-door Estate (Weekend)
Wheelbase:
Approx. 2665 mm
Length:
Approx. 4340 mm (Sedan) / 4425 mm (Estate)
Weights
Curb Weight Range:
Approx. 1200 - 1400 kg
🛡️ Safety Features
Ratings
Era Safety Standards:
Designed to meet European safety standards of the late 1980s/early 1990s.
Active Features
Braking System:
Front: Ventilated discs; Rear: Discs. ABS available on higher trims/later models.
Passive Features
Airbags:
Driver airbag typically optional or standard on later/higher trims, passenger airbag not common for this era.
Seatbelts:
Front and rear seat belts, pre-tensioners on front seats (market dependent).
💡 Technology Features
Infotainment
Audio System:
Factory fitted radio/cassette player, often with separate amplifier for better sound quality.
Climate Control:
Manual or automatic climate control available on higher trims.
Driver Assistance
ABS:
Anti-lock Braking System available as an option on some models, becoming more standard towards the end of the production run covered.
Connectivity
Diagnostic Ports:
OBD-I style diagnostic connectors present, though less standardized than modern systems. Access is typically via specialized tools or direct ECU interaction for this era.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 10,000-15,000 km or 12 months, depending on driving conditions (refer to specific model year recommendations).
Timing Belt Replacement:
Crucial for DOHC engines; typically 60,000-90,000 km or 5-6 years (interference engine, failure can cause catastrophic damage).
Spark Plug Replacement:
Varies by plug type, usually 30,000-60,000 km.
Fluid Specifications
Engine Oil:
API SG/SH, ACEA A2/A3; Viscosity typically 10W-40 or 5W-40 (check manual for exact grade based on climate).
Coolant:
Ethylene glycol based antifreeze, mixture ratio 50:50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4, with periodic replacement recommended (e.g., every 2 years).
Transmission Fluid Manual:
GL-4 spec gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron II or equivalent (check manual for precise specification).
Known Issues
Electrical Gremlins:
Common for Italian cars of this era; can include intermittent issues with sensors, wiring, or control modules.
Rust Perforation:
Can be an issue, particularly on wheel arches, sills, and boot edges. Underbody protection is key.
Engine Management Sensors:
Lambda sensors (oxygen sensors), airflow meters, and idle control valves can be prone to failure over time, affecting performance and fuel economy.
Suspension Components:
Worn control arm bushings, ball joints, and shock absorbers are common maintenance items.
Turbocharger Reliability:
The 2.0 Turbo requires diligent maintenance, especially ensuring oil is changed regularly to prevent turbo bearing damage.
📚 Vehicle History
Brand Heritage
Lancia Legacy:
Lancia, an Italian manufacturer known for its innovative engineering and sporty yet luxurious vehicles.
Model Evolution
Dedra Introduction:
Launched in 1989 as a replacement for the Delta (saloon) and Beta (saloon), positioned as a mid-size family car.
Dedra Platform:
Shared platform with Fiat Croma, Alfa Romeo 155, and Saab 9000.
Dedra Facelift:
Facelift in 1994 (post-covered years) introduced styling updates and improved engines.
Production
Production Years:
1989-1999 (This manual covers the early petrol variants from 1989-1993)
Manufacturing Location:
Italy
🏆 Awards & Recognition
Recognitions
Contemporary Reviews:
Praised for its comfortable ride, spacious interior, and sophisticated styling compared to rivals, though sometimes criticized for reliability perception typical of Italian cars of the period.
Ratings
Safety Ratings Era:
No specific Euro NCAP ratings available for this early model, as the organization was established later. Safety features were compliance-based for the time.
Certifications
Emissions Compliance:
Designed to meet the emissions standards of the target markets for the years 1989-1993.