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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-E - Service & Replacement) >> Diagnostic Information and Procedures >> Road Test Procedure >> Coasting Downshifts

Coasting Downshifts

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the gear selector in the OVERDRIVE position.
  2. Accelerate the vehicle to FOURTH gear with the TCC applied.
  3. Release the throttle and lightly apply the brakes.
  4. Verify the following:
    • The TCC releases
    • Downshifts occur at speeds shown in the Shift Speed table. Refer to Shift Speed   . 
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