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Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - Mu4 - Service, Removal & Installation, Troubleshooting & Diagnostics) >> Diagnostic Information and Procedures >> Road Test Procedure >> Full Throttle Downshift Test

Full Throttle Downshift Test

WARNING: This page is about a different variant/trim than selected.
  1. Operate the vehicle at the speeds of 77-88 km/h (48-55 mph).
  2. Verify that the manual selector is in the Drive (D) range and the Overdrive switch is depressed.
  3. Quickly press the accelerator pedal to the Wide Open Throttle (WOT) position.
  4. Verify that the TCC releases.
  5. Verify that the transaxle immediately downshifts to second gear.
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