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Coastdown Downshift Test

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the manual selector is in the Drive (D) position and the Overdrive switch is depressed.
  2. Depress the accelerator pedal until the transaxle is in 4th gear.
  3. Release the accelerator pedal.
  4. Lightly apply the brake pedal.
  5. Observe the TCC release.
  6. Observe the vehicle speeds at points of downshifts.
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