Engine Mechanical:
Full overhaul, component disassembly and reassembly, timing, valve adjustments, piston/ring replacement, crankshaft/bearing service.
Engine Electrical:
Ignition system, charging system (alternator), starting system (starter motor), sensor testing, component diagnostics.
Emission Control:
Details on emission control systems relevant to 1978 models, potentially including air injection or specific carburetion controls.
Fuel System:
Carburetor overhaul (likely Weber or Zenith Stromberg), fuel pump testing and replacement, fuel lines, fuel tank service.
Clutch System:
Clutch disc, pressure plate, release bearing inspection and replacement, hydraulic system service.
Transmission Manual:
Manual gearbox overhaul, gear selection mechanisms, synchronizers, bearing replacement.
Transmission Automatic:
Automatic transmission service and troubleshooting (if applicable to the specific variant covered).
Drivetrain Axles:
Driveshaft, universal joints, differential inspection and service, axle shaft replacement.
Suspension:
Front and rear suspension component inspection (wishbones, springs, shock absorbers), alignment specifications.
Steering:
Steering box adjustment and overhaul, power steering system (if fitted), tie rod ends, steering column.
Brakes:
Brake system hydraulics (master cylinder, lines, calipers, wheel cylinders), disc and pad replacement, drum and shoe service, parking brake.
Body Interior:
Interior trim removal and installation, seating, dashboard components, headliner.
Body Exterior:
Door mechanisms, window regulators, boot/trunk lid, bonnet/hood, panel alignment, trim pieces.
Body Electrical:
Headlight, taillight, interior lighting, switchgear, wiring harness inspection and repair, dashboard instruments.
HVAC:
Heating, ventilation, and air conditioning system component diagnosis and service (if factory fitted).
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, lubrication points, spark plug replacement, air filter servicing.
Troubleshooting:
Diagnostic flowcharts, common problem identification, symptom-based troubleshooting guidance.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation across all vehicle systems.
Diagnostics:
Detailed procedures for diagnosing faults using both visual inspection and electrical testing.
Depth Level:
Full factory-level repair and overhaul procedures, suitable for professional mechanics and skilled enthusiasts.
Special Tools:
Identification and usage instructions for specialized tools required for specific repairs.
Wiring Schematics:
Detailed wiring diagrams for all electrical systems, crucial for diagnostics and repairs.
Illustrations:
Numerous diagrams, line drawings, and illustrations to clarify repair procedures and component identification.
Engine Type:
V8, naturally aspirated
Displacement:
Approximately 5.3 liters (5340 cc)
Bore X Stroke:
Typically around 3.80 x 2.87 inches (96.5 x 73.0 mm) for the 5.3L V8.
Compression Ratio:
Varied by specific tune, but generally in the range of 8.5:1 to 9.5:1.
Horsepower:
Around 280-325 bhp (gross) depending on carburetor and exhaust specification.
Torque:
Around 320-360 lb-ft (gross) depending on specification.
Carburetion:
Quad dual-throat Weber carburetors (e.g., Weber 40 DFI or similar) or Zenith Stromberg carburetors depending on market and emissions regulations.
Fuel Type:
Leaded or unleaded gasoline, depending on regional specifications and engine modifications.
Oil Change Interval:
Typically every 3,000 - 5,000 miles or annually, depending on usage and oil type. Manual will specify exact interval and oil grade.
Tune Up Interval:
Spark plug replacement and ignition system checks usually around 10,000 - 15,000 miles. Carburetor tuning might be more frequent.
Engine Oil Grade:
Likely a 20W-50 or 10W-50 mineral oil for period-correct specification. Manual will confirm exact API service classification.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water. Manual will specify ratio and type.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Common Points Of Attention:
Carburetor synchronization and tuning, ignition system maintenance, cooling system reliability, suspension bushings wear, potential for rust.
Marque Legacy:
Aston Martin has a long-standing reputation for producing high-performance luxury grand tourers with a strong racing pedigree.
V8 Saloon Development:
The V8 Saloon evolved from the earlier V6-powered models, adapting the chassis and body for the larger, more powerful V8 engine, significantly enhancing performance.
Manufacturing Location:
Newport Pagnell, Buckinghamshire, England.
Production Years Variant:
The V8 Saloon series was produced through the 1970s and 1980s, with 1978 falling within the key Series 2/3 development period.