GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Inspect the linkage for improper adjustment or wear.

Is there any of these conditions?

Go to Step 2

Go to Step 3

2

Repair or replace the linkage as needed.

Does the transaxle still slip out of gear?

Go to Step 3

System OK

3

Inspect that the transaxle is tight on the engine housing.

Is the transaxle loose?

Go to Step 4

Go to Step 5

4

Tighten the transaxle to the mounts. Refer to Fastener Tightening Specifications .

Does the transaxle still slip out of gear?

Go to Step 5

System OK

5

Inspect the shift linkage.

Does the shift linkage bind?

Go to Step 6

Go to Step 7

6

Repair or replace the shift linkage as needed.

Does the transaxle still slip out of gear?

Go to Step 7

System OK

7

Inspect the cables.

Are they bent or worn?

Go to Step 8

Go to Step 9

8

Repair or replace the cables as needed.

Does the transaxle still slip out of gear?

Go to Step 9

System OK

9

Inspect the input gear bearing retainer .

Is the retainer broken or loose?

Go to Step 10

Go to Step 11

10

Repair or replace the retainer.

Does the transaxle still slip out of gear?

Go to Step 11

System OK

11

Inspect the shift fork.

Is the shift fork worn or bent?

Go to Step 12

Go to Step 13

12

Repair or replace the shift fork as needed.

Does the transaxle still slip out of gear?

Go to Step 13

System OK

13

Inspect the clutch housing and engine .

Is the clutch housing or the engine dirty?

Go to Step 14

Go to Step 15

14

Clean the clutch housing and the engine.

Does the transaxle still slip out of gear?

Go to Step 15

System OK

15

Inspect the shift lever seal.

Is the seal stiff?

Go to Step 16

Go to Step 17

16

Repair or replace the seal.

Does the transaxle still slip out of gear?

Go to Step 17

System OK

17

Disassemble the transaxle and repair as necessary. Refer to the M86/M94 Section of the Transmission Unit Repair Manual.

Does the transaxle still slip out of gear?

Go to Transmission Replacement

System OK