Neutral Coast Down Speed Test

To carry out this test, proceed as follows:
^ Drive at a higher rate of speed than where the concern occurred when carrying out the Slow Acceleration Test.
^ Place the transmission in NEUTRAL and coast down past the speed where the concern occurs.
^ The concern is vehicle speed-related if duplicated while carrying out this test. This eliminates the engine and the torque converter as sources.
^ If the concern was not duplicated while carrying out this test, carry out the Downshift Speed Test to verify if the concern is engine speed related. Downshift Speed Test
^ Proceed as necessary.