For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Inspect the first gear thrust bearing. Is the bearing missing or showing too much end play? | Go to Step 2 | Go to Step 3
2 | Repair or replace the bearing as needed. Does the transaxle still slip out of gear? | Go to Step 3 | System OK
3 | Inspect the first gear washer. Is the washer missing or show too much end play? | Go to Step 4 | Go to Step 5
4 | Repair or replace the washer. Does the transaxle still slip out of gear? | Go to Step 5 | System OK
5 | Inspect the first gear spline lock on the 1st/2nd synchronizer sleeve or the hub. Is the spline lock worn or damaged? | Go to Step 6 | Go to Step 7
6 | Repair or replace the lock. Does the transaxle still slip out of gear? | Go to Step 7 | System OK
7 | Inspect the 2nd gear spline lock on the 1st/2nd synchronizer sleeve or the hub. Is the lock worn or damaged? | Go to Step 8 | Go to Step 9
8 | Repair or replace the lock. Does the transaxle still slip out of gear? | Go to Step 9 | System OK
9 | Inspect the 3rd gear spline lock on the 3rd/4th synchronizer sleeve or hub. Is the lock worn or damaged? | Go to Step 10 | Go to Step 11
10 | Repair or replace the lock. Does the transaxle still slip out of gear? | Go to Step 11 | System OK
11 | Inspect the 4th gear spline lock on the 3rd/4th synchronizer sleeve or hub. Is the lock worn or damaged? | Go to Step 12 | Go to Step 13
12 | Repair or replace the 4th gear spline lock. Does the transaxle still slip out of gear? | Go to Step 13 | System OK
13 | Inspect the 5th gear spline lock on the 5th synchronizer sleeve. Is the spline lock damaged or worn? | Go to Step 14 | Go to Step 15
14 | Repair or replace the 5th gear spline lock. Does the transaxle still slip out of gear? | Go to Step 15 | System OK
15 | Inspect the reverse gear spline lock. Is the lock damaged or worn? | Go to Step 16 | Go to Step 17
16 | Repair or replace the lock. Does the transaxle still slip out of gear? | Go to Step 17 | System OK
17 | Disassemble the transaxle and repair as necessary. Refer to Transmission Case Disassemble in the M86/M94 Section of the Transmission Unit Repair Manual. Does the transaxle still slip out of gear? | Go to Transmission Replacement | System OK