Table 1 shows one common engine and engine cooling related problems of the 2014 Chevrolet Express 1500.
| Problem Category | Number of Problems |
|---|---|
| Manifold/header/muffler/tail Pipe problems |
Exhaust manifold bolts are breaking causing exhaust fumes to leak in to engine compartment. Fumes then enter the cabin. First bolt broke at 70,000 miles and the. Another at 120,000 miles.