Condition
| Action
|
DEFINITION: Harsh shift felt when shifting from park to neutral into reverse
|
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. |
|
Park/neutral position switch (72)
|
• | Inspect park/neutral switch (72) for proper alignment. |
• | Align the park/neutral switch (72) if not properly aligned. |
• | Perform function test on the park/neutral position switch (72). |
• | Replace the park/neutral position switch (72) if faulty. |
|
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. |
|