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1979 Cadillac DeVille 1979 d’Elegance Sedan

Repair services & inexpensive new parts for 1979 Cadillac DeVille 1979 d’Elegance Sedan with 7.0L 425Cu. In. V8 GAS OHV Naturally Aspirated engine.

The 1979 Cadillac DeVille d'Elegance Sedan is a classic luxury vehicle that features a robust 7.0L 425 cubic inch V8 engine with an overhead valve (OHV) configuration, delivering substantial power through a rear-wheel-drive (RWD) system. This four-door sedan epitomizes the grandeur of late-70s American automotive design, prioritizing comfort and a smooth ride. With its naturally aspirated engine, the vehicle maintains a simplistic yet efficient aspiration system, which contributes to its notable performance for the era. As a vintage car, it offers a unique driving experience that combines the charm of classic luxury with the practicality of a spacious sedan.

Common Issues

  • Carburetor problems leading to inefficient fuel delivery and reduced engine performance.
  • Electrical system issues, particularly with the alternator and wiring, causing battery drainage.
  • Transmission wear, often resulting in delayed or rough shifting.
  • Cooling system failures, such as radiator leaks or thermostat malfunction, leading to overheating.

Maintenance Tips

  • Regularly inspect and clean the carburetor to ensure optimal fuel efficiency.
  • Check and replace the spark plugs and ignition wires periodically to maintain engine performance.
  • Monitor fluid levels, especially transmission fluid and coolant, and top up as necessary.
  • Keep the electrical system in check by testing the battery and alternator regularly.

Typical Repair/Ownership Cost Ranges

  • Carburetor rebuild or replacement: $200 - $500
  • Transmission service or rebuild: $1,000 - $3,000
  • Alternator and electrical repairs: $150 - $400
  • Cooling system repairs: $200 - $600

Buying Advice (What to Inspect)

  • Examine the condition of the carburetor and check for any signs of fuel leaks or blockages.
  • Inspect the transmission for smooth operation and check for any fluid leaks underneath the vehicle.
  • Test the electrical components, including lights, gauges, and the alternator's charging capability.
  • Look for signs of overheating, such as coolant stains or a sweet smell, indicating potential cooling system issues.

FAQ

How reliable is the 1979 Cadillac DeVille d'Elegance?

The 1979 Cadillac DeVille is generally reliable for its age, but regular maintenance is crucial to prevent common issues like carburetor and electrical problems.

What is the fuel economy of the 1979 Cadillac DeVille?

The fuel economy for the 1979 Cadillac DeVille is relatively low, typically around 10-15 miles per gallon, depending on driving conditions.

Are parts readily available for this model?

While some parts are readily available from specialty suppliers or salvage yards, others may require custom fabrication or refurbishment.

What type of fuel does the 1979 Cadillac DeVille require?

This model requires regular unleaded gasoline, but using premium fuel can help improve performance and engine longevity.

Is this a good car for daily driving?

While it can be used for daily driving, the 1979 Cadillac DeVille is more suited for occasional use due to its fuel economy and age-related reliability concerns.

How does the 1979 Cadillac DeVille perform in terms of safety?

Safety features are minimal compared to modern standards; it lacks airbags and advanced braking systems, so caution is advised.

What should I look for when test-driving this vehicle?

Pay attention to engine performance, transmission smoothness, and any unusual noises or vibrations that may indicate mechanical issues.

Have Questions about Cadillac DeVille 1979 d’Elegance? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: Cadillac
Model: DeVille
Trim: d’Elegance Sedan 4-Door
Year: 1979

Quick Info

Fuel: GAS
Aspiration: Naturally Aspirated
Engine Displacement: 7.0L
Engine CC: N/A
Engine CID: 425
Engine Block Type: V
Cylinder Type: OHV
Cylinders: 8
Drive: RWD
Body Type: Sedan
Doors: 4

Repair services & inexpensive new parts for 1979 Cadillac DeVille 1979 d’Elegance Sedan with 7.0L 425Cu. In. V8 GAS OHV Naturally Aspirated engine.