Condition
| Action
|
DEFINITION: Harsh shift felt during upshift
|
Fluid level low and/or burnt
|
| • | If low inspect for fluid leak, repair as necessary. |
| • | Inspect transmission oil cooler system for restricted or kinked lines. |
|
Fluid is contaminated with water or engine coolant
| If contaminated with engine coolant replace transmission.
|
Unit filled with wrong type of fluid
| Drain fluid and fill with proper type of fluid.
|
Input speed sensor (76)
|
| • | Perform electrical function test on the input speed sensor (76). |
| • | Replace the input speed sensor (76) if fails electrical function test. |
|
Battery voltage
|
| • | Inspect battery for correct voltage. |
| • | Repair charging system or replace battery. |
|
Engine or transmission mounts
|
| • | Inspect the engine mounts and the transmission mounts for wear or loose mounting fasteners. |
| • | Replace any faulty engine or transmission mounts or loose fasteners. |
|
Engine malfunction
|
| • | Ensure engine is operating properly. |
| • | Repair engine to operate properly. |
|
Drive shafts
|
| • | Inspect the drive shafts for worn components. |
| • | Repair the drive shaft if worn. |
|
Suspension system
|
| • | Inspect suspension components. |
| • | Replace faulty suspension components. |
|
Transmission oil temperature sensor (32)
|
| • | Perform function test on the transmission oil temperature sensor (32). |
| • | Replace the automatic transmission wiring harness assembly (78). |
|
Line pressure control solenoid valve assembly (SLT) (312)
|
| • | Perform electrical function checks on the line pressure control solenoid valve assembly circuit. |
| • | Perform electrical function check on the line pressure control solenoid valve assembly (312). |
| • | Replace valve body assembly (39) if line pressure control solenoid valve assembly is faulty. |
|
Transmission control module (TCM)
|
| • | Perform function test on the TCM. |
| • | Replace TCM if fails function test. |
|
Valve body (39)
| Replace valve body (39).
|
Internal transmission parts
|
| • | Disassemble the transmission and inspect for the following: |
| - | Missing retaining rings |
| - | Worn or broken thrust needle bearings and thrust washers |
| - | Differential assembly backlash |
| - | Worn drive and driven gears |
| - | Worn planetary gear assemblies |
| • | Replace the transmission if any faulty parts. |
|
