Whine Noise Varying with RPM or Fluid Pressure. Cadillac DeVille 1996

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1996 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Whine Noise Varying with RPM or Fluid Pressure

Checks	Action
DEFINITION: A high pitch whine which will intensify with engine RPM or which is Oil Pressure sensitive
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.