Consumer inquired as to why there was not a recall on the defective #8 cylinder of the 1999 hi hummer.*Mr the #8 cylinder cracked resulting in total engine failure at 14000 miles. *Nm
Engine & cooling
Hummer H1 Engine problems by year
1 complaints filed with NHTSA about the Hummer H1's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
| Year | Engine complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 1999 | 1 | 0 | 0 | 0 |
Latest H1 engine complaints
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data