GMC W Series owners have reported 3 engine and engine cooling related problems since 1996. Table 1 shows the 2 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine exhaust system (2 problems). The second most common problem is related to the vehicle's manifold/header/muffler/tail pipe (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Engine Exhaust System problems | |
| Manifold/header/muffler/tail Pipe problems |
The contact owns a 2007 GMC w4500. The contact stated that the vehicle exhibited a bad exhaust leak. Fumes could emit inside of the cabin. The contact performed the repair himself and replaced the passenger side exhaust manifold. There was significant concern of the safety risks. Read details...
The contact owns a 2007 GMC w4500. The contact stated that the vehicle exhibited a bad exhaust leak. Fumes could emit inside of the cabin. The contact performed the repair himself and replaced the passenger side exhaust manifold. There was significant concern of the safety risks. Read details...