Test Description
The numbers below refer to the step numbers on the diagnostic table.
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This step is to ensure the use of the proper transmission fluid. A special fluid is used to ensure proper synchronizer operation, and for sufficient lubrication. Improper fluid may cause the synchronizers to stick or the transmission components to overheat.
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A static shift test is performed by shifting into all gears with the engine not operating. By confirming that the transmission can be shifted into all positions, ensures that the shift lever is not excessively worn or damaged.
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A dynamic shift test is performed by shifting into all of the gear positions with the engine operating. Test to ensure that the internal shift components are functioning properly.
Step | Action | Yes | No |
|---|---|---|---|
DEFINITION: The transmission cannot be shifted out of a gear, or the vehicle will not move because the transmission is locked. | |||
1 | Did you review the Symptoms - Manual Transmission, and perform the necessary inspections? | Go to Step 2 | |
2 | Inspect for the correct type of transmission fluid. Is the correct type transmission fluid being used? | Go to Step 4 | Go to Step 3 |
3 | Drain the transmission, and refill with the correct type of fluid. Refer to Transmission Fluid Replacement. Did you find and repair the condition? | Go to Step 8 | Go to Step 4 |
4 |
Were you able to shift into all positions? | Go to Step 6 | Go to Step 5 |
5 |
Did you find and repair the conditions? | Go to Step 8 | Go to Step 6 |
6 |
Were you able to shift the transmission correctly? | Go to Step 8 | Go to Step 7 |
7 | Replace the transmission. Refer to Transmission Replacement. Is the replacement complete? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 1 |
