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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 858 (Automatic Transmission, 4L60-E/4L65-E (Troubleshooting)) >> Troubleshooting >> Road Test Procedure >> Full Throttle Detent Downshift

Full Throttle Detent Downshift

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. 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 speeds of 64-88 km/h (40-55 mph) in FOURTH gear.
  3. Quickly increase throttle angle to 100 percent wide open throttle (WOT).
  4. Verify the following:
    • The TCC releases
    • The transmission downshifts immediately to SECOND gear
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