High Pitch Whine Noise
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
High Pitch Whine Noise
| 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. |