Manual Transmission Symptom Troubleshooting Index
Symptom
Diagnostic procedure
Also Check for
Hard to shift into 1st gear
 
Hard to shift into 2nd gear
 
Hard to shift into 3rd gear
 
Hard to shift into 4th gear
 
Hard to shift into 5th gear
 
Hard to shift into 6th gear
 
Hard to shift into reverse
1.
2.
3.
Check the change lever assembly.
4.
5.
Check reverse gears.
 
Driver can select reverse gear when vehicle speed is 12 mph (20 km/h) or more
 
Driver cannot select reverse gear when vehicle speed is 9 mph (15 km/h) or less
 
Noise from the transmission
1.
2.
Check the MTF level (unfilled or in surplus the transmission with the MTF).
3.
Check the transmission gears.
4.
Check the transmission bearings.
5.
Check the differential carrier, the final driven gear, and the carrier bearings.
 
Shift lever does not operate smoothly
1.
2.
3.
Check the shift lever housing with the shift lever shaft.
4.
Check the change lever assembly.
 
Transmission jumps out of gear