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M/T System Symptom Troubleshooting

Symptom
Diagnostic procedure
Hard to shift into 1st gear
1.
2.
3.
4.
5.
Hard to shift into 2nd gear
1.
2.
3.
4.
Hard to shift into 3rd gear
1.
2.
3.
4.
Hard to shift into 4th gear
1.
2.
3.
4.
Hard to shift into 5th gear
1.
2.
3.
4.
Hard to shift into 6th gear
1.
2.
3.
4.
Hard to shift into reverse
1.
2.
3.
4.
5.
Check reverse gears.
HDS does not communicate with the ECM or the vehicle
Noise from the transmission
1.
2.
3.
4.
5.
Check the MTF level (unfilled or in surplus the transmission with the MTF).
Check the transmission gears.
Check the transmission bearings.
Check the differential carrier, the final driven gear, and the carrier bearings.
Transmission jumps out of gear
1.
2.
3.
4.
Check for bent, deform, or damage of the shift forks.