GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value

Yes

No

DEFINITION: The clutch engages but slips while driving the vehicle.

1

Check the clutch disc in order to ensure that it is properly seated in.

Is the clutch disc properly seated in?

--

Go to Step 3

Go to Step 2

2

Make 30 to 40 normal starts. Do not over heat.

Does the clutch still slip?

--

Go to Step 3

System OK

3

Check in order to ensure that the clutch disc is not over heated.

Is the disc plate over heated?

--

Go to Step 4

Go to Step 5

4

Allow the disc plate to cool.

Does the clutch still slip?

--

Go to Step 5

System OK

5

Check the clutch disc in order to see if the disc is oil soaked.

Is the disc plate oil soaked?

--

Go to Step 6

Go to Step 7

6

Correct the leak at the source. Refer to Oil Leak Diagnosis in Engine Mechanical. Replace the clutch disc. Refer to Clutch Assembly Replacement .

Does the clutch still slip?

--

Go to Step 7

System OK

7

Check the clutch disc for a worn facing or if the facing is torn from the disc plate.

Is the facing worn or torn from the disc plate?

--

Go to Step 8

Go to Step 9

8

Replace the clutch disc. Refer to Clutch Assembly Replacement .

Does the clutch still slip?

--

Go to Step 9

System OK

9

Check for a warped clutch cover on the disc plate or a weak diaphragm spring.

Is the disc plate warped or the diaphragm spring weak?

--

Go to Step 10

--

10

Replace the necessary components. Refer to Clutch Assembly Replacement .

Does the clutch still slip?

--

Go to Step 1

System OK