Hydraulic Pressure Tests: Notes
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Keep the brakes applied at all times to prevent unexpected vehicle motion. Personal injury may result if the vehicle moves unexpectedly.
CAUTION:
Total test running time should not be longer than two minutes, or transaxle damage could occur.
NOTE:
Before performing a line pressure check, verify that the pressure control solenoid valve is receiving the correct electrical signal from the PCM.