Engine:
Detailed diagnostics, repair, overhaul, and specifications for the Datsun L-series engines commonly found in the 1979 model (e.g., L20B).
Fuel System:
Carburetor (e.g., Hitachi SU, Weber, or Hitachi downdraft) overhaul, adjustment, and troubleshooting, fuel pump, lines, and tank.
Ignition System:
Distributor, coil, spark plugs, wiring, timing adjustments, and troubleshooting.
Cooling System:
Radiator, fan, water pump, thermostat, coolant, and hoses.
Exhaust System:
Manifold, pipes, muffler, and emissions control components.
Transmission:
Manual transmission (e.g., 4-speed, 5-speed) overhaul, clutch service, and fluid specifications. Automatic transmission service if applicable.
Driveline:
Driveshaft, U-joints, differential, and rear axle service.
Suspension:
Front independent suspension (e.g., MacPherson struts), rear leaf springs or coil springs, shock absorbers, bushings, and alignment specifications.
Steering:
Steering gearbox, tie rods, steering column, and wheel alignment.
Brakes:
Front disc brakes, rear drum brakes, master cylinder, brake lines, calipers, wheel cylinders, and parking brake.
Electrical System:
Wiring diagrams, charging system (alternator, regulator), starting system (starter motor), battery, lighting, instrumentation, and accessories.
Body And Chassis:
Body panel removal/installation, door mechanisms, interior trim, glass, bumpers, and structural components.
Heating And Air Conditioning:
Heater core, blower motor, ducting, and AC system components (if equipped).
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, tune-ups, fluid checks, and lubrication.
Troubleshooting:
Diagnostic procedures for common problems across all major systems, symptom-based troubleshooting guides.
Repair:
Step-by-step repair instructions for component removal, disassembly, cleaning, inspection, assembly, and installation.
Overhaul:
Complete rebuild procedures for engines, transmissions, differentials, and other major mechanical assemblies.
Specifications:
Torque values, clearances, tolerances, fluid capacities, and other critical technical data.
Wiring Diagrams:
Detailed electrical wiring schematics for accurate diagnosis and repair.
Disassembly Assembly:
Detailed guidance on taking apart and putting back together various vehicle components.
Depth:
Factory-level detail suitable for professional technicians, with sufficient clarity for advanced DIY enthusiasts.
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months. Refer to manual for exact recommendation.
Tune Up Interval:
Spark plugs, points (if applicable), and distributor timing checks recommended every 15,000-30,000 miles or annually.
Engine Oil Specification:
API SF or SG category, SAE 10W-30 or 10W-40 recommended for most climates (check manual for exact viscosity and capacity)
Coolant Specification:
Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Rust And Corrosion:
Common for vehicles of this era, especially in areas with road salt. Floor pans, rocker panels, and wheel arches are susceptible.
Carburetor Performance:
Carburetors can become gummed up over time, leading to rough idling or poor performance. Rebuilding or ultrasonic cleaning is often required.
Suspension Bushings:
Rubber bushings in the suspension and steering components can degrade, leading to noise, play, and poor handling.
Electrical Connections:
Aging wiring and connectors can lead to intermittent electrical issues.
Oil Filter Example:
Example Part Numbers: Fram PH8A, Wix 51515 (cross-reference required for exact fitment)