Part Throttle Detent Downshift
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Place the gear selector in the OVERDRIVE position.
- Accelerate the vehicle to 64-88 km/h (40-55 mph) in FOURTH gear.
- Quickly increase throttle angle to greater than 50 percent.
- Verify the following:
- The TCC releases
- The transmission downshifts immediately to THIRD gear