GMC TSB #G166292
2009 GMC Acadia
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- 13091 - Service Update - Leaks from the water pump shaft seal. These leaks are often due to vehicle operation with a low engine coolant level and may result in water pump failure. Proper maintenance of the engine coolant level will increase shaft seal reliability and help ensure that the water pump operates as intended.