Target Audience:
Professional technicians and do-it-yourself mechanics with basic electrical and mechanical knowledge.
Value Proposition:
Provides factory-level repair information in a convenient digital format for immediate access and effective vehicle maintenance.
Information Source:
Prepares information similar to factory service manuals and owner's manuals.
Learning Methodology:
Step-by-step guidance to teach users what factory-trained technicians know.
Digital Advantage:
Instant download for immediate problem-solving, no waiting for physical delivery.
Engine:
Detailed coverage of the 1.8L DOHC 4-cylinder engine, including tuning, disassembly, assembly, and diagnostics.
Fuel System:
Carburetor system (likely Weber DCNF or Solex variants), fuel pump, lines, and tank.
Ignition System:
Distributor, coil, spark plugs, wiring, and timing adjustments.
Transmission:
Manual transmission (likely 5-speed), clutch, driveshaft, and differential.
Suspension:
Front independent suspension (MacPherson struts), rear live axle with coil springs, shock absorbers, and alignment.
Brakes:
Front disc brakes, rear drum brakes, hydraulic system, and parking brake.
Steering:
Steering rack and pinion, steering column, and linkages.
Electrical System:
Wiring diagrams, starter, alternator, battery, lighting, gauges, and accessory circuits.
Body And Chassis:
Body panel removal and installation, frame inspection, door mechanisms, convertible top operation.
Cooling System:
Radiator, fan, thermostat, hoses, and water pump.
Exhaust System:
Exhaust manifold, pipes, muffler, and catalytic converter (if applicable for the market).
Maintenance:
Regular service checks, fluid changes, filter replacements, lubrication points.
Troubleshooting:
Diagnostic flowcharts and symptom-based problem resolution for various systems.
Repair:
Step-by-step instructions for component removal, overhaul, and installation.
Disassembly:
Detailed guides for taking apart major components and sub-assemblies.
Assembly:
Reassembly procedures with torque specifications and correct component placement.
Cleaning:
Instructions for cleaning engine parts, fuel system components, and other mechanical elements.
Reinstalling:
Guidance on refitting serviced or repaired components back into the vehicle.
Depth:
Comprehensive, covering from basic maintenance to advanced engine and transmission rebuilds, suitable for professional technicians and experienced DIYers.
Engine Type:
Inline 4-cylinder, DOHC (Double Overhead Camshaft)
Displacement:
1756 cc (1.8 Liters)
Bore X Stroke:
80 mm x 86 mm
Compression Ratio:
8.8:1 (typical for US models)
Horsepower:
90-95 HP (SAE Net) @ 5500 RPM (typical for 1.8L US spec)
Torque:
100-105 lb-ft (SAE Net) @ 3500 RPM (typical for 1.8L US spec)
Carburetor:
Typically dual Weber DCNF 40 or similar European carburetors, or Rochester Quadrajet for later US models (manual will cover specific carb type).
Fuel Type:
Unleaded gasoline (Octane rating specified in manual, likely 91 RON / 87 AKI or higher).
Ignition Timing:
Details for setting base timing and dynamic timing with vacuum advance.
Type:
5-speed manual transmission
Type:
3-speed automatic transmission (less common, but available on some models).
Clutch:
Hydraulically operated single dry plate clutch.
Transmission Fluid Type:
GL-4 Gear Oil, SAE 75W-90 or 80W-90 (manual will confirm specific API service classification and viscosity).
Length:
approx. 3970 mm (156.3 in)
Width:
approx. 1600 mm (63 in)
Height:
approx. 1230 mm (48.4 in)
Curb Weight:
approx. 970 kg (2138 lbs)
Wheelbase:
approx. 2240 mm (88.2 in)
Wheel Bolt Pattern:
4 x 98 mm
Tire Size:
Typically 185/70R13 or 195/60R14, depending on trim and market (manual will specify).
Crash Testing:
Vehicle manufactured before modern rigorous crash testing standards; manual will not contain NHTSA/Euro NCAP ratings.
Brakes:
Front ventilated disc brakes, rear drum brakes. Manual covers maintenance and adjustment.
Seatbelts:
Lap and shoulder belts (manual will detail adjustment and care).
Rollover Protection:
No integrated rollover protection. Convertible top may offer minimal protection.
Oil Change:
Typically every 3,000-5,000 miles or 6 months (manual will provide exact recommendation based on oil type).
Tune Up:
Spark plugs, points (if applicable), and timing adjustment usually recommended every 10,000-15,000 miles.
Transmission Fluid:
Check level regularly, change every 20,000-30,000 miles (manual will confirm).
Engine Oil:
API SG/SF or higher, SAE 10W-30 or 10W-40 (manual will specify recommended viscosity based on ambient temperature and API classification).
Coolant:
50/50 mix of ethylene glycol antifreeze and distilled water.
Brake Fluid:
DOT 3 or DOT 4, P-759 or equivalent.
Rust:
Common rust areas include wheel arches, rocker panels, floor pans, and the convertible top frame.
Carburetor Issues:
Can be sensitive to adjustment, requiring periodic cleaning and tuning, especially with older fuel formulations.
Electrical Gremlins:
Wiring insulation can degrade over time, leading to intermittent electrical faults. Manual is critical for diagnostics.
Suspension Wear:
Bushings, ball joints, and tie rod ends are common wear items.
Brand Origin:
Fiat is an historic Italian automotive manufacturer, known for its sporting and compact vehicles.
Development:
The 124 Spider was designed by Pininfarina and introduced in 1966 as a successor to the Fiat 850 Spider. The 1979 model represents the later years of the original generation, with updates in styling and engine.
Manufacturing Location:
Italy, and later assembled in the United States by Fiat-USA.
Production Span:
1966-1985 (including the Pininfarina Spider Azzurra and Sport Spider variants).
🏆 Professional Vehicle Manual Information
Comprehensive technical documentation for maintenance, repair, and operation