No engine braking or 3-2-1 manual downshift
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| • | Shift select cable out of adjustment, binding or damaged |
| • | Manual valve binding or sticking |
| • | 2-3 shift valve binding or sticking |
| • | 1-2 shift valve binding or sticking |
| • | Primary regulator valve binding or sticking |
| • | Broken or distorted valve springs |
| • | Damaged or porous valve body casting |
| • | Intermediate servo piston binding or sticking |
| • | Intermediate servo piston seals cut or damaged |
| • | Intermediate servo piston rod binding |
| • | 2nd brake band worn or out of adjustment |
| • | 1st-reverse brake clutch discs worn |
| • | 1st-reverse brake piston or seal leaking or damaged |
| • | One-way clutch not holding or damaged |
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