GMC W Series owners have reported 1 problem related to manifold/header/muffler/tail pipe (under the engine and engine cooling category). The most recently reported issues are listed below.
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. The failure mileage was approximately 30,000. Updated 05/24/lj
the consumer is the mechanic who called in the complaint.
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all problems of the 2007 GMC W Series
🔎.
| Problem Category | Number of Problems |
|---|---|
| Engine Exhaust System problems | |
| Manifold/header/muffler/tail Pipe problems |