Check
| Causes
|
DEFINITION:
A large engine RPM increase is noted, with no vehicle forward speed increase, during the following conditions:
| • | The engine is running. |
| • | The transmission is in Drive range. |
| • | The vehicle is stopped or moving slowly. |
| • | The vehicle brakes are not applied. |
| • | The throttle is opened 25 percent or greater. |
|
Forward Clutch Assembly
|
| • | Damaged or worn clutch plates |
| • | Damaged or cut piston |
| • | Damaged or stuck ball check valve |
|
Forward Clutch Sprag
|
| • | Worn or pitted inner race |
|
Fluid Pump
|
| • | Fluid pump screen assembly plugged or damaged |
| • | Fluid pump rotor guide omitted or misassembled |
| • | Fluid pump rotor cracked or broken |
| • | Porosity in fluid pump |
| • | Fluid pump surfaces not flat |
| • | Excessive fluid pump rotor clearance |
|
Low Clutch Sprag
|
| • | Worn or pitted inner race |
|
Input and Reaction Carrier
| Damaged or worn gears
|
