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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> Road Test >> Manual Downshifts >> Manual 4-1 Downshift

Manual 4-1 Downshift

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  1. Place the gear selector in the OVERDRIVE position.
  2. Accelerate the vehicle to 64 km/h (40 mph).
  3. Release the throttle while moving the gear selector to FIRST.
  4. Verify the following:
    • The TCC releases.
    • The transmission immediately downshifts to SECOND Gear.
    • The engine slows the vehicle.
    • The transmission downshifts to FIRST gear at the calibrated speed, typically 48-64 km/h (30-40 mph).