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1991 White/GMC WG 1991 WG42 Straight Truck – Medium Conventional

Repair services & inexpensive new parts for 1991 White/GMC WG 1991 WG42 Straight Truck – Medium Conventional with 12.0L 732Cu. In. 6 DIESEL engine.

The 1991 White/GMC WG42 is a medium-duty conventional straight truck equipped with a robust 12.0L 732 cubic inch inline six-cylinder diesel engine. This vehicle is designed for durability and efficiency, catering to various commercial and industrial transport needs. With its 4x2 drive configuration, the WG42 is ideal for highway and urban deliveries. As a rugged and reliable model from the early '90s, it requires diligent maintenance to ensure optimal performance and longevity.

Common Issues

  • Engine overheating due to cooling system wear and tear.
  • Fuel injector clogging, impacting performance and efficiency.
  • Transmission wear, leading to shifting issues over time.
  • Brake system wear, requiring regular inspection and replacement.

Maintenance Tips

  • Regularly check and replace the engine oil and filters to maintain engine health.
  • Inspect the cooling system components, including the radiator and hoses, for leaks or damage.
  • Service the transmission and check fluid levels regularly to avoid major repairs.
  • Maintain the brake system by replacing pads and checking fluid levels periodically.

Typical Repair/Ownership Cost Ranges

  • Engine repairs: $1,000 - $4,000 depending on the issue.
  • Transmission service and repair: $500 - $2,500.
  • Brake system service: $200 - $800.
  • Cooling system repairs: $300 - $1,500.

Buying Advice (What to Inspect)

  • Check for signs of rust or corrosion on the chassis and undercarriage.
  • Inspect the engine for oil leaks and listen for unusual noises.
  • Ensure the transmission shifts smoothly without hesitation.
  • Verify the condition of the tires and check for even wear patterns.
  • Test the brake system for responsiveness and effectiveness.

FAQ

What is the fuel economy of the 1991 White/GMC WG42? The fuel economy can vary based on load and driving conditions, but typically it averages around 5-8 miles per gallon.

How often should the oil be changed on this truck? It is recommended to change the oil every 5,000 to 7,000 miles, depending on usage conditions.

What are common signs of transmission issues? Symptoms include difficulty shifting gears, slipping gears, and unusual noises during operation.

Is the 1991 White/GMC WG42 a reliable vehicle? With proper maintenance, the WG42 is considered a reliable workhorse, known for its durability and performance.

Where can I find replacement parts for this truck? Parts can often be sourced through specialized truck part suppliers or online marketplaces catering to older diesel trucks.

What should I consider when maintaining the diesel engine? Regularly check the fuel injectors, replace filters, and monitor the turbocharger (if applicable) for optimal performance.

Have Questions about White/GMC WG 1991 WG42? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: White/GMC
Model: WG
Trim: WG42 Straight Truck – Medium Conventional
Year: 1991

Quick Info

Fuel: DIESEL
Aspiration: N/A
Engine Displacement: 12.0L
Engine CC: N/A
Engine CID: 732
Engine Block Type: –
Cylinder Type: U/K
Cylinders: 6
Drive: 4 X 2
Body Type: Straight Truck – Medium Conventional
Doors: U/K

Repair services & inexpensive new parts for 1991 White/GMC WG 1991 WG42 Straight Truck – Medium Conventional with 12.0L 732Cu. In. 6 DIESEL engine.