๐ท๏ธ 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 ๐ 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 ๐ 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 ๐ 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 ๐ 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) โ๏ธ 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. ๐ง 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 ๐ 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 ๐ก๏ธ 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). ๐ก 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. ๐ง 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
๐ 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)
โ๏ธ 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.
๐ง 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
๐ 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
๐ก๏ธ 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).
๐ก 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.
๐ง 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.
๐ 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
๐ 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.