Whine Noise Varying with RPM or Fluid Pressure. Chevrolet Corsica 1996

For 1990-2009 cars

Checks | Cause
--- | ---
Additionally, a popping noise similar to popcorn popping

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

• | Pump cavitation is indicated by bubbles on the fluid level indicator

• | Check the transmission fluid strainer for a filter seam leak

• | Check the transmission fluid strainer seal for proper positioning or for a cut seal