Gmc Dump truck problems

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The GMC General (also known as the Chevrolet Bison) is a heavy-duty (Class 8) truck that was assembled by the GMC Truck and Coach Division of General Motors from 1977 to 1987. The largest conventional-cab truck ever produced by the company, the product line replaced the C/M 90/9500 trucks.

The Chevrolet Bison was discontinued after 1980 as GM ended the marketing of Chevrolet heavy trucks. In 1986, General Motors entered a joint venture with Volvo to produce heavy trucks, leading GMC to end production of the General conventional and Astro cabover in 1987.

The GMC General and Chevrolet Bison were assembled in Pontiac, Michigan at Pontiac Central Assembly (alongside the Chevrolet Bruin and GMC/WhiteGMC Brigadier). As of current production, the 1987 GMC General and Brigadier are the final Class 8 conventional-cab trucks produced by General Motors.

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Gmc Dump truck model years

gmc dump truck 1988 photo
Dump truck 1988
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Common Gmc Dump truck problems

Based on the complaints from owners of GMC dump trucks, here are some common problems associated with these vehicles:

  1. Brake System Issues: Owners have reported various brake-related problems, such as brake wiring issues, brakes disengaging while towing, and concerns with the factory-installed brake controller not working effectively with certain trailer types. This can lead to dangerous situations, especially when towing heavy loads.
  2. Oil Consumption: Excessive oil consumption has been a prevalent issue in GMC trucks, particularly in models with Generation IV 5.3 Liter V8 Vortec 5300 engines. This problem has been linked to faulty components like the active fuel management (AFM) system, piston rings, and PVC system, causing oil consumption, spark plug degradation, and engine malfunctions.
  3. Electrical and Display Problems: Some owners have experienced issues with the electrical system, including problems with the radio display, maps, and other electronic features malfunctioning. These issues can impact the overall functionality and safety of the vehicle.
  4. Leaking: Water leaks into the interior of the truck, particularly near the visor on the driver and passenger sides, have been reported. Despite attempts to fix the leaks, including sending the vehicle for repairs, the problem persists, leading to water accumulation inside the truck during rainy conditions.
  5. Transmission and Acceleration Concerns: Complaints have been raised regarding transmission issues, such as hard shifting and bucking when accelerating. These problems can affect the driving experience and potentially compromise the vehicle's performance and safety.
  6. Steering and Control Problems: Instances of steering wheel vibrations, brake failures, and loss of control have been reported by some owners. These issues pose significant safety risks and can result in accidents, as evidenced by incidents where vehicles swerved uncontrollably into obstacles.
  7. General Mechanical and Wiring Troubles: Owners have encountered various mechanical and wiring problems, including chafing on wire harnesses, which can lead to issues like intermittent engine performance, electrical failures, and overall vehicle reliability concerns.

These common problems highlight the importance of thorough inspections, regular maintenance, and prompt resolution of any issues to ensure the safety, performance, and longevity of GMC dump trucks.

Gmc Dump truck

Percentage distribution of complaints by Gmc Dump truck years

We have researched Gmc problems and analysed all the complaints filed against Gmc Dump truck cars and compiled the top 1 most problematic Gmc Dump truck model years:

Below you can see the percentage distribution of known problems by Gmc Dump truck model years.

Distribution of the number of complaints by Gmc Dump truck years

We've also compiled a chart for you with the number of complaints about Volkswagen Jetta cars of certain model years:

Gmc Dump truck car problems categorized by type of issue

After analysing all complaints related to Gmc Dump truck , it was concluded that the most common issues with these cars are:

  • Fuel system problems
  • Gasoline problems

The graph below shows statistics for all Gmc Dump truck vehicle components and the number of complaints received.

The NHTSA has received 1 complaints about various vehicle components related to the Gmc Dump truck . Below are the 25 most recent complaints reported for Gmc Dump truck vehicles.

List of Gmc Dump truck complaints

Gmc Dump truck 1988
  • Date Of Incident: 2024-11-24
  • Date Complaint: 2001-07-12
  • Components: FUEL SYSTEM, GASOLINE
  • Summary: A SETTLEMENT WAS OFFERED TO CONSUMERS WHO HAVE VEHICLES WITH SIDE SADDLE FUEL TANKS, THE CONSUMER IS DISSATISFIED WITH THE SETTLEMENT, GM IS OFFERING A SETTLEMENT CERTIFICATE OR CASH ALTERNATIVE, THE CONSUMER BELIEVES GM SHOULD REPLACE THE TANKS FREE OF CHARGE AND HAD ONE REPLACED A COUPLE OF YEARS AGO. NLM

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