GMC C4500 owners have reported 2 other fuel system related problems since 1996. Table 1 shows the 2 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system fuel gauge (1 problem). The second most common problem is related to the vehicle's other fuel system fuel injection system (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System Fuel Gauge problems | |
| Other Fuel System Fuel Injection System problems |
Unfixable front end vibration. Vibration is severe 8-12 mhz @ . 27g's. Over 10 attempts to fix with no results. 4 sets of tires, drag link, panhard bar, 4 turbo down pipes, front rotors and hubs, may other components. Whole body vibration , arm-hand vibration for over 3,000 hrs in one year. Read details...
Vehicle has complete fuel system failure. In talking to dsu in portland, they told me that this is a common problem in this year of vehicle and that a check valve in the fuel pump disintegrates and destroys the entire fuel system. Read details...