Engine:
        
        
            Complete diagnostic, repair, and overhaul procedures for all available engines.
        
     
    
        
            Fuel System:
        
        
            Fuel injection (TBI, CPI), fuel pumps, lines, tank, evaporative emission control.
        
     
    
        
            Exhaust System:
        
        
            Catalytic converter, mufflers, pipes, oxygen sensors, emission controls.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, hoses, fan clutch, coolant specifications.
        
     
    
        
            Lubrication System:
        
        
            Oil pump, oil filter, oil pressure, oil specifications.
        
     
    
        
            Ignition System:
        
        
            Distributor, ignition coil, spark plugs, wires, timing specifications.
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter, wiring diagrams, fuses, relays, lighting, power windows, locks.
        
     
    
        
            Transmission Manual:
        
        
            NV3500 5-speed manual transmission overhaul and repair.
        
     
    
        
            Transmission Automatic:
        
        
            4L60-E 4-speed automatic transmission overhaul and repair, including electronic controls.
        
     
    
        
            Driveline:
        
        
            Transfer case (NP231, NP241) repair, front and rear drive shafts, U-joints.
        
     
    
        
            Suspension Front:
        
        
            Independent Front Suspension (IFS) components, control arms, ball joints, torsion bars, shocks, steering.
        
     
    
        
            Suspension Rear:
        
        
            Solid rear axle, leaf springs, shocks, axle housing.
        
     
    
        
            Brakes Front:
        
        
            Disc brake calipers, rotors, pads, lines, ABS system (if equipped).
        
     
    
        
            Brakes Rear:
        
        
            Drum brake components, shoes, wheel cylinders, parking brake.
        
     
    
        
            Steering:
        
        
            Power steering pump, gearbox, tie rods, steering column.
        
     
    
        
            HVAC:
        
        
            Air conditioning system, heater core, blower motor, climate controls.
        
     
    
        
            Body Exterior:
        
        
            Body panels, doors, hood, tailgate, bumpers, trim, glass replacement.
        
     
    
        
            Body Interior:
        
        
            Seats, dashboard, upholstery, interior trim, headliner.
        
     
    
        
            Chassis And Frame:
        
        
            Frame inspection, repair, and rust prevention.
        
     
    
        
            Diagnostic Troubleshooting:
        
        
            Extensive troubleshooting guides, symptom-to-cause charts.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, fluid checks.
        
     
    
        
            Repair Overhaul:
        
        
            Complete engine, transmission, differential, and component rebuild procedures.
        
     
    
        
            Component Replacement:
        
        
            Step-by-step guides for replacing all major and minor components.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting logical flowcharts, diagnostic trouble codes (DTCs) for applicable systems.
        
     
    
        
            Adjustments:
        
        
            Wheel alignment, brake adjustments, engine timing adjustments.
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed, schematic wiring diagrams for all vehicle systems.
        
     
    
        
            Specification Charts:
        
        
            Torque specifications, clearances, fluid capacities, timing marks, etc.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds. Equivalent to dealership technician level.
        
     
 
    
    
    
        
            Engine Code 1:
        
        
            4.3L V6 (VIN Z - Vortec 4300)
        
     
    
        
            Displacement 1:
        
        
            262 cubic inches / 4.3 Liters
        
     
    
        
            Configuration 1:
        
        
            Overhead Valve (OHV), V6, Sequential Fuel Injection (SFI) or Central Port Injection (CPI)
        
     
    
        
            Horsepower 1:
        
        
            Approx. 160-165 hp @ 4000 rpm (depending on exact configuration)
        
     
    
        
            Torque 1:
        
        
            Approx. 230-235 lb-ft @ 2000 rpm (depending on exact configuration)
        
     
    
    
        
            Engine Code 2:
        
        
            5.7L V8 (VIN F - Vortec 350)
        
     
    
        
            Displacement 2:
        
        
            350 cubic inches / 5.7 Liters
        
     
    
        
            Configuration 2:
        
        
            Overhead Valve (OHV), V8, Central Port Injection (CPI)
        
     
    
        
            Horsepower 2:
        
        
            Approx. 200-205 hp @ 4000 rpm
        
     
    
        
            Torque 2:
        
        
            Approx. 290-300 lb-ft @ 2400 rpm
        
     
    
    
        
            Injection Type:
        
        
            Central Port Injection (CPI) for both engines; some 4.3L may have TBI variants in earlier production or specific markets, but CPI was common for '93.
        
     
    
    
        
            Ignition Timing:
        
        
            Electronically controlled via ECU, typically specified as TDC at idle with initial advance.
        
     
    
        
            Idle Speed:
        
        
            Refer to manual for specific RPMs (e.g., ~600-700 RPM for V8, ~650-750 RPM for V6).
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 3,000-7,500 miles or 6-12 months, depending on oil type and driving conditions (refer to manual for exact recommendations).
        
     
    
        
            Transmission Service:
        
        
            Automatic transmission fluid and filter change every 30,000-60,000 miles.
        
     
    
        
            Spark Plug Replacement:
        
        
            Variable, often 30,000-100,000 miles depending on plug type (e.g., platinum plugs).
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH, SAE 5W-30 or 10W-30 (check manual for specific viscosity based on ambient temperature).
        
     
    
        
            Coolant:
        
        
            GM Goodwrench Super Coolant (Green) or equivalent ethylene glycol-based antifreeze. Typically a 50/50 mix with distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 brake fluid.
        
     
    
        
            Power Steering Fluid:
        
        
            GM Power Steering Fluid or Dexron-II/III ATF.
        
     
    
    
        
            Engine Vortec Vpi:
        
        
            Central Port Injection (CPI) spider injector assembly can develop leaks or fail, leading to poor running conditions. Intake manifold gaskets can also leak.
        
     
    
        
            Transmission 4L60E:
        
        
            Torque converter solenoid issues, internal seal leaks, or worn clutch packs are common with age and mileage.
        
     
    
        
            Ifs Suspension:
        
        
            Upper and lower ball joints, torsion bar bushings, and sway bar links are wear items in the Independent Front Suspension.
        
     
    
        
            Body Rust:
        
        
            Frame rust (especially near suspension mounting points) and rocker panel/wheel well rust are common issues in areas with road salt.
        
     
    
        
            Electrical:
        
        
            Corrosion on ground points, aging wiring harnesses, and HVAC blower motor resistor failures.