Table 1 shows 13 common engine and engine cooling related problems of the 1997 GMC Sierra. The number one most common problem is related to the engine (two problems). The second most common problem is related to the gasoline engine (two problems).
The engine block cracked. Read details...
I found 29 pages of the same problems on net lemon law. No safety defect mentioned in summary. Read details...
Exhaust flange gasket failed. Nlm Read details...