Harsh Shifts
Check
| Causes
|
DEFINITION: Harsh shift feel - an unacceptable quick gear change occurs.
|
Pressure Control Solenoid
|
|
Output Speed Sensor
| Open or grounded circuit
|
Input Speed Sensor
| Open or grounded circuit
|
Throttle Position
| Open or grounded circuit
|
Forward Clutch Assembly
|
| • | Damaged or worn clutch plates |
| • | Damaged or stuck ball check valve |
|
Control Valve Body Accumulator Assembly
|
| • | Accumulator piston stuck |
| • | Stuck or missing ball check valves |
|
Fluid Pump
|
| • | Pressure regulator valve stuck |
| • | Pressure regulator valve spring |
| • | Line boost valve spring |
| • | Line boost valve or bushing stuck, damaged or incorrectly assembled |
| • | Fluid pump screen assembly plugged or damaged |
| • | Fluid pump rotor guide omitted or misassembled |
| • | Fluid pump rotor cracked or broken |
| • | Fluid pump surfaces not flat |
| • | Excessive fluid pump rotor clearance |
| • | Pump slide seal out of location |
| • | Pump slide spring damaged |
|
Inspect for active transmission DTCs
| Transmission DTC default action active
|
