Excessive Shock or Flares on All Upshifts and Downshifts

Excessive shock or flares on all upshifts and downshifts

Diagnostic Procedure:

1. Worn or damaged engine or transmission mounts

2. Input shaft (mainshaft) speed sensor defective

3. Output shaft (countershaft) speed sensor defective

4. ATF temperature sensor defective

5. Foreign material in separator plate orifice

Also check for:

- Check engine and transmission mounts.
- Check for a stored DTC, and check for loose connections.
- Check the speed sensor installation.
- Inspect the sensor O-ring for wear and damage.
- Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice.