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1989 GMC G3500 1989 Rally STX Standard Passenger Van

Repair services & inexpensive new parts for 1989 GMC G3500 1989 Rally STX Standard Passenger Van with 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated engine.

The 1989 GMC G3500 Rally STX is a robust standard passenger van featuring a 7.4L (454 cubic inch) V8 engine that operates on gasoline. Known for its spacious interior and rear-wheel drive configuration, this van is designed to accommodate larger groups, making it ideal for family outings or commercial uses. While it offers solid performance and durability, typical issues may arise due to its age, necessitating regular maintenance and occasional repairs. Owners of this model can benefit from affordable parts and repair services to keep it in good working condition.

Common Issues

  • Fuel system problems, including leaks and clogged filters.
  • Transmission issues, particularly with shifting and fluid leaks.
  • Electrical system failures, including starter and alternator malfunctions.
  • Suspension wear, leading to poor handling and ride quality.

Maintenance Tips

  • Regularly check and replace engine oil and filters every 3,000 to 5,000 miles.
  • Inspect and maintain the cooling system to prevent overheating.
  • Monitor tire pressure and tread wear for safety and fuel efficiency.
  • Schedule routine brake inspections and replacements as needed.

Typical Repair/Owership Cost Ranges

Repair costs for the 1989 GMC G3500 can vary widely depending on the issue, but here are some typical ranges:

  • Minor repairs (brake pads, filters): $100 - $300
  • Major repairs (engine or transmission work): $1,000 - $3,000
  • Routine maintenance (oil changes, inspections): $50 - $150

Buying Advice

When inspecting a 1989 GMC G3500 Rally STX, consider checking the following:

  • Engine condition and any signs of oil leaks or unusual noises.
  • Transmission performance, ensuring smooth shifting without slipping.
  • Frame and body for rust or structural damage.
  • Electrical components, including lights, windows, and gauges.

Frequently Asked Questions

  • What is the fuel economy of the 1989 GMC G3500 Rally STX? The fuel economy typically ranges from 10 to 12 miles per gallon, depending on driving conditions.
  • How reliable is the 1989 GMC G3500 for daily use? With proper maintenance, it can be a reliable vehicle, though age may introduce more frequent repairs.
  • Are replacement parts readily available for this model? Yes, many parts are still available through various auto parts stores and online retailers.
  • What type of oil should be used for the 7.4L engine? It is recommended to use high-quality motor oil with a viscosity rating of 10W-30 or 10W-40.
  • Is it more cost-effective to repair or replace this vehicle? This depends on the extent of repairs needed; minor issues can be economical to fix, while major repairs may suggest replacement.
  • What should I look for in the van's history report? Check for prior accidents, maintenance records, and title status to ensure the vehicle's reliability.
  • How often should I replace the spark plugs? It is advisable to replace spark plugs every 30,000 miles or as indicated by performance issues.
  • Can I convert this van to run on alternative fuels? While it's possible, it may require significant modifications and should be done by a professional.

Have Questions about GMC G3500 1989 Rally STX? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: GMC
Model: G3500
Trim: Rally STX Standard Passenger Van 3-Door
Year: 1989

Quick Info

Fuel: GAS
Aspiration: Naturally Aspirated
Engine Displacement: 7.4L
Engine CC: N/A
Engine CID: 454
Engine Block Type: V
Cylinder Type: OHV
Cylinders: 8
Drive: RWD
Body Type: Standard Passenger Van
Doors: 3

Repair services & inexpensive new parts for 1989 GMC G3500 1989 Rally STX Standard Passenger Van with 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated engine.