High Pitch Whine Noise
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
| Checks |
Action |
| DEFINITION: A high pitch whine which will intensify with engine RPM or which is sensitive to the oil pressure. |
| Oil Pump System |
Verify that the noise is internal to the oil pump during a preliminary oil pressure check. An increase in line pressure will vary an oil pump noise. |