GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Important: An occasional drop of fluid from the slip yoke is normal.

1

Inspect the outside surface of the slip yoke for roughness.

Is the outside surface of the slip yoke rough?

--

Go to Step 2

Go to Step 3

2

Replace the yoke.

Is there still a leak at the front slip yoke?

--

Go to Step 3

System OK

3

Inspect the seal for cuts caused by burrs on the slip yoke.

Are there cuts on the seal?

--

Go to Step 4

Go to Step 5

4

Replace the seal.

Is there still a leak at the front slip yoke?

--

Go to Step 5

System OK

5

Inspect the rear transmission oil seal for damage.

Is the rear transmission oil seal damaged?

--

Go to Step 6

--

6

Replace the rear transmission oil seal. Add fluid if fluid is needed.

Is there still a leak at the front slip yoke?

--

--

System OK