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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1225 (Automatic Transmission - 2ML70 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> Road Test >> Manual Downshifts >> Coasting Downshifts

Coasting Downshifts

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the gear selector in the DRIVE position.
  2. Accelerate the vehicle to 4th gear.
  3. Release the throttle and apply the brakes
  4. Verify the downshifts occur as commanded.