🏷️ Basic Information Identification Make: Subaru Model: Loyale Year: 1991 Body Style: Sedan Doors: 4 Door Product Type: Camshaft Product Description Keywords: 1991 Subaru Loyale Sedan 4 Door Camshaft Codes Engine Code Variant: EA82 (likely, specific camshaft may vary by sub-model/trim) 👋 Introduction Market Position Brand Heritage: Subaru has a long-standing reputation for producing durable, reliable vehicles with a focus on all-wheel-drive technology, particularly in North America and Japan. Model Positioning: The Subaru Loyale, part of the second generation Leone line, was positioned as an affordable, practical, and capable compact car, often appealing to buyers prioritizing all-wheel-drive capability for varied weather conditions. Competitive Analysis Competitors 1991: Competed against models like the Toyota Corolla, Honda Civic, Nissan Sentra, Mitsubishi Mirage, and domestic sedans, often differentiating itself with its standard AWD system. Key Features Standard AWD: The most significant feature of the Loyale was its standard Symmetrical All-Wheel Drive, a rarity in the compact sedan segment at the time, enhancing traction and stability. Engine Durability: Subaru's boxer engines, known for their low center of gravity and smooth operation, contributed to the Loyale's reputation for reliability. 📋 Manual Details Coverage Areas Manual Type: Service/Repair Manual Language: English Format: Printed Manual Page Count Estimate: 400-700 pages (typical for comprehensive service manuals of this era) Sections Covered Primary: Engine Mechanical (including camshaft, valve train, timing), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Clutch/Manual Transmission, Drivetrain (AWD system), Suspension, Steering, Brakes, Electrical System (wiring diagrams, component testing), Body and Interior, Maintenance and Specifications. 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed diagnosis, disassembly, inspection, repair, and reassembly of all engine components including cylinder head, camshaft, valves, valve springs, lifters, timing belt, oil pump, crankshaft, connecting rods, pistons, and engine block. Torque specifications for all fasteners. Fuel System: Fuel injection system (EFI) components, fuel pump, fuel filter, injectors, pressure regulator, fuel lines, and tank. Carburetor systems (if applicable for specific market variants). Ignition System: Distributor, ignition coils, spark plugs, high-tension leads, ignition timing adjustment, electronic control unit (ECU) ignition functions. Drivetrain: Subaru's Symmetrical All-Wheel Drive system (mechanical components, center differential, driveshafts, rear differential), manual transmission internal components and servicing. Electrical System: Complete wiring diagrams, fuse box layout, component testing procedures, starter system, charging system (alternator, battery), lighting, instrumentation, power accessories, and diagnostic codes. Procedures Included Maintenance Procedures: Oil change, filter replacement, spark plug replacement, air filter replacement, coolant flush and fill, brake fluid flush, timing belt inspection and replacement, clutch adjustment, drive belt inspection and replacement, differential fluid changes. Repair Procedures: Engine overhaul, head gasket replacement, camshaft seal replacement, transmission rebuild, clutch replacement, brake pad and rotor replacement, suspension component replacement (shocks, struts, control arms), starter and alternator replacement, radiator replacement. Troubleshooting: Systematic diagnostic procedures for common drivability issues, starting problems, charging system faults, cooling system leaks, brake system malfunctions, and electrical gremlins, often with flowcharts. Technical Depth Diagnostic Capabilities: Advanced diagnostics including component testing, signal tracing using wiring diagrams, and interpretation of diagnostic trouble codes (DTCs) where applicable for the era (OBD-I). Rebuild Information: Comprehensive instructions for complete engine and transmission rebuilds, including specifications for machining and tolerances. Component Specifications: Detailed specifications for all major components, including torque values, clearances, pressures, and electrical resistance/voltage readings. 📊 Manual Specifications File Format Print Quality: High-quality print, designed for workshop durability. Clear text and legible diagrams. Print Quality Binding Type: Sturdy, often spiral-bound or perfect-bound for easy page lay-flat viewing in a workshop environment. Binding Type Paper Type: Durable, thick paper stock to withstand workshop use and potential grease/oil exposure. Paper Type Content Type: Official Subaru factory service manual or a highly reputable aftermarket equivalent (e.g., Haynes, Chilton - if this is a general manual description). ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Boxer-4 (Horizontally-Opposed) Engine Code: EA82 Displacement: 1.8 Liters (1781 cc) Performance Horsepower Est: 90-97 hp @ 5200-5600 rpm (depending on fuel injection and market) Torque Est: 101-108 lb-ft @ 3200-3600 rpm (depending on fuel injection and market) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) or Carbureted (depending on market variant) Fuel Type: Unleaded Gasoline Engine Layout Cylinder Arrangement: Horizontally-Opposed (Boxer) Valvetrain: SOHC (Single Overhead Camshaft) per cylinder bank, 2 valves per cylinder. Maintenance Specs Timing Belt Replacement Interval Km: 60,000 km / 36,000 miles (recommended) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type: 3-Speed Automatic Features Drivetrain System: Full-time Symmetrical All-Wheel Drive (AWD) on most models, often with a lockable center differential or viscous coupling unit. Fluid Specs Manual Transmission Fluid: API GL-4 Gear Oil, SAE 75W-90 (recommended, check manual for exact specification) Automatic Transmission Fluid: Dexron III/Mercon (check manual for exact specification) Clutch Type Clutch Engagement: Hydraulically Actuated Dry Single Plate Clutch 📐 Dimensions Exterior Length Mm: 4380 mm (approx.) Width Mm: 1670 mm (approx.) Height Mm: 1400 mm (approx.) Wheelbase Mm: 2500 mm (approx.) Weights Curb...