🏷️ Basic Information Identification Make: Volkswagen Model: Cabriolet Generation: Mk1 Convertible (Typ 155) Body Style: Convertible / Cabriolet Codes Chassis Code: Typ 155 👋 Introduction Market Position Segment: Compact convertible, targeting a younger demographic and those seeking a stylish, open-air driving experience. Competitive Analysis Competitors: Ford Mustang Convertible, Chevrolet Camaro Convertible, Toyota MR2, Mazda Miata (later in the production run). Key Features Distinguishing Features: German engineering, robust build quality, timeless styling, practical interior for its class, reliable powertrains. Manual Value Proposition User Benefit: Empowers owners to perform maintenance and repairs with confidence, saving money on labor costs and ensuring long-term reliability and performance of their classic Volkswagen. 📋 Manual Details Coverage Areas Applicable Years: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 Engine Variants Covered: 1.8L Gasoline (all variants produced during the specified years). Page Count Total Pages: 522 Manual Type Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, tune-ups, lubrication system, fuel system (injection/carburetion), ignition system, exhaust system. Transmission: Disassembly, assembly, repair, diagnostics. Brakes: Front disc brakes, rear drum brakes, hydraulic system, parking brake. Electrical System: Wiring diagrams, lighting, starting and charging systems, instrumentation, fuses, relays, ignition switch, power windows, convertible top operation. Body And Chassis: Body construction, convertible top mechanism, interior trim, exterior panels, bumpers, glass, doors, hood, trunk lid. Suspension And Steering: Front independent suspension (MacPherson struts), rear torsion beam axle, power steering system (if equipped), wheel alignment. Climate Control: Heating and ventilation system, A/C system components and diagnosis (if equipped). Wheels And Tires: Specifications for wheel sizes, bolt patterns, tire types, and inflation pressures. Chassis And Body: Corrosion protection, panel repairs, convertible top frame and mechanism. Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt adjustments. Repair: Detailed step-by-step repair instructions for all major and minor components, including engine rebuild, transmission overhaul, brake system repair, electrical diagnostics. Diagnostics: Troubleshooting guides, fault finding procedures for common issues across all systems. Installation And Removal: Procedures for removing and reinstalling all major components and assemblies. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, suitable for professional technicians and advanced DIY enthusiasts. Manual Specifications Searchability: Text-searchable PDF, allowing for quick location of specific topics and components. 📊 Manual Specifications File Format Quality: High-resolution PDF, designed for clarity and readability. Print Quality Printability: Fully printable, allowing users to create physical copies of sections or the entire manual. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC Engine Code Examples: GU (1.8L), HK (1.8L), VW (1.8L) Displacement: 1.8 Liters (1781 cc) Performance Horsepower Range: Approximately 90-100 hp (depending on engine code and market). Torque Range: Approximately 100-105 lb-ft (depending on engine code and market). Compression Ratio: Typically around 8.5:1 to 9.0:1, depending on engine variant. Fuel System Fuel Delivery: Fuel Injection (Digifant, K-Jetronic on earlier models) or Carburetor (less common for this range). Fuel Type Fuel Requirement: Unleaded Gasoline (Octane rating as per owner's manual, typically 87-91 RON/87 AKI). Cooling System Cooling Type: Water-cooled, pressurized system. 🔧 Transmission Standard Type: 4-speed Manual Transmission (016) or 3-speed Automatic Transmission (090). Optional Type: 5-speed Manual Transmission (016) became more common later in the run. Features Drive Layout: Front-Wheel Drive (FWD). Fluid Specifications Manual Transmission Fluid: VW G 005 000 (or equivalent GL-4 SAE 75W-90 synthetic gear oil). Automatic Transmission Fluid: VW G 009 300 (or equivalent ATF Type 3 Fluid, e.g., Dexron II/III compatible). 📐 Dimensions Exterior Length: Approx. 3975 mm (156.5 in) Width: Approx. 1610 mm (63.4 in) Height: Approx. 1315 mm (51.8 in) (Top up) Wheelbase: Approx. 2400 mm (94.5 in) Weights Curb Weight: Approx. 980-1050 kg (2160-2315 lbs) Gross Vehicle Weight Rating: Approx. 1350 kg (2976 lbs) 🛡️ Safety Features Ratings Crash Test Data: Data from this era is less standardized. However, the chassis was known for its rigidity for a convertible. Active Features Braking System: Front vented discs, rear drums. Power assist standard. Steering System: Rack and pinion, optionally power-assisted. Passive Features Seatbelts: Three-point front seatbelts, two-point rear seatbelts. Convertible Top Frame: Reinforced windshield frame and integrated roll bar for improved structural integrity. 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM radio with cassette player, optional amplifier. Aftermarket upgrades common. Speaker Configuration: Typically 2 or 4 speakers. Driver Assistance Features: Limited by era. Primarily focused on mechanical systems. No advanced electronic driver aids. Convenience Convertible Top Operation: Manual operation or optional power-assisted convertible top, covered in detail within the manual. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first. Timing Belt Replacement: Every 60,000 miles (96,000 km) or 4-5 years, critical for preventing catastrophic engine damage. Spark Plug Replacement:...