🏷️ Basic Information Identification Make: Chevrolet Model: Chevy Series 10-35 Light Duty Truck Model Variant: C/K Series Trucks Production Years: 1979, 1980 Codes Platform Code: GMT400 (platform predecessor) 👋 Introduction Market Position Positioning: Essential resource for owners and independent mechanics to perform DIY repairs and maintenance, saving significant costs compared to dealership service. Competitive Analysis Analogy: The automotive equivalent of a complete architectural blueprint for these trucks. Key Features Feature 1: Step-by-step instructions Feature 2: Illustrations and diagrams Feature 3: Comprehensive coverage of all models and configurations Feature 4: Diagnostic procedures and troubleshooting guides Feature 5: Immediate access via digital download 📋 Manual Details Coverage Areas Coverage: All Models/Engines/Trim/Transmissions Types are Covered Page Count Estimated Page Count: Est. 1500-2000+ pages (typical for complete factory service manuals of this era) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Emission Controls Transmission Drivetrain: Manual Transmissions (SM465, T10, etc.), Automatic Transmissions (TH350, TH400, TH700R4), Transfer Cases (NP200, NP203, NP205), Driveshafts, Axles (Front & Rear), Differentials Suspension Steering: Front Suspension (Independent Front Suspension - IFS, Leaf Springs on 3/4 & 1 Ton), Rear Suspension (Leaf Springs), Steering System (Power Steering, Manual Steering) Brakes: Front Disc Brakes, Rear Drum Brakes, Parking Brake System, Hydraulic System, Vacuum Assist (if equipped) Electrical: Charging System (Alternator), Starting System (Starter Motor), Ignition System, Lighting System, Gauges and Instruments, Wiring Diagrams, Fuses and Relays, Power Accessories (Windows, Locks if equipped) Body Chassis: Frame, Body Panels, Doors, Hood, Tailgate, Interior Trim, Seats, HVAC System (Heater, Air Conditioning), Exterior Trim, Bumpers Procedures Included Maintenance: Oil Change, Filter Replacement, Fluid Checks and Top-offs, Spark Plug Replacement, Belt Inspection and Replacement, Brake Pad/Shoe Replacement, Tune-ups Repair: Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Repair, Body Panel Repair, HVAC System Repair Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting, Component Testing Procedures Installation: Accessory Installation Guides (where applicable), Component Replacement Instructions Technical Depth Depth: Comprehensive (A-Z), Step-by-step instructions with pictures for all areas of servicing and repairs 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if OCR processed Print Quality Printability: Printable (single page, chapter, or entire manual) Binding Type Binding: N/A (Downloadable) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Options: Likely includes inline-six (e.g., 250ci, 292ci), V8 (e.g., 305ci, 350ci, 454ci - depending on Series 20/30) Performance Horsepower Torque Note: Specifications vary significantly by engine option; manual will detail each. Fuel System Fuel Delivery: Carbureted (Rochester Quadrajet, Edelbrock, etc.) Ignition System Ignition Type: Points and Condenser or Electronic Ignition (HEI) Cooling System Cooling Type: Pressurized Liquid Cooling System Lubrication System Oil Type Recommendation: Typically SAE 10W-30 or 10W-40 for most conditions (refer to manual for precise specs) Engine Codes Example V8 Code: 350ci V8 (L48, L81, L82 variants possible) Example Inline6 Code: 292ci Inline-6 (ID code 'B') 🔧 Transmission Standard Transmission Transmission Options: Manual Transmissions (e.g., SM465 4-speed, NP T18/T19 4-speed, Muncie SM326 3-speed) Optional Transmission Automatic Transmission Options: Automatic Transmissions (e.g., Turbo-Hydramatic TH350, TH400, TH700R4 4-speed overdrive) Features Overdrive Availability: Overdrive available with TH700R4 and some later manual transmissions Fluid Specs Automatic Fluid Type: Dexron III/Mercon (or equivalent specified fluid) Manual Fluid Type: GL-4 Gear Oil (e.g., 80W-90, consult manual for specifics) 📐 Dimensions Exterior Body Styles: Fleetside/Styleside Pickup, Stepside Pickup, Chassis Cab, Suburban, Blazer Wheelbase Options: Multiple wheelbases available (e.g., 117.5", 129.5", 164.5") depending on configuration. Weights Gross Vehicle Weight Rating: Ranges from approximately 4,500 lbs to 10,000+ lbs (GVWR) depending on Series (10, 20, 30) and configuration. 🛡️ Safety Features Ratings Crash Test Note: NHTSA testing standards of this era differ significantly from modern standards. Manual focuses on mechanical safety systems. Active Features Active Safety Systems: Primarily disc/drum brake systems; ABS was not standard or widely available on these models. Passive Features Passive Safety Features: Seat belts (lap and shoulder belts for front occupants); reinforced cabin structure. 💡 Technology Features Infotainment Audio System: AM/FM Radio, optional AM/FM Cassette player. Basic speaker systems. Driver Assistance Driver Assistance Features: Limited to power steering and power brakes (if equipped). No modern electronic driver aids. Connectivity Connectivity Features: N/A (No integrated Bluetooth, USB, or other modern connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 3-6 months (refer to manual for specific engine/oil recommendations) Tune Up Interval: Spark plugs, points (if applicable), and filters typically every 15,000-30,000 miles, depending on component type. Fluid Specifications Coolant Type: Ethylene Glycol based (e.g., conventional green coolant), 50/50 mix with distilled water. Brake Fluid Type: DOT 3 Hydraulic Brake Fluid. Known Issues Common Wear Items: Rust (especially on lower body panels, cab corners, rocker panels), U-joints, ball joints, exhaust systems, carburetor performance degradation, electrical...