Description
4R100 1-2 Shift Valve Spring, 1998-On, Superior K0106. (Set of 3)
Deals with these problems:
- Code P0781 1-2 shift error code / P0732 incorrect 2nd gear ratio code.
- Late, lazy or no up-shift to 2nd.
The cause could be a broken or bent / distorted / fatigued 1-2 shift spring. The Superior K0106 is just the fix for not having to rob used valve body’s or chance used springs causing re-occurrences.