GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: Transaxle "knocks" at low speeds

1

Check for a worn or damaged drive axle joint. Refer to Drive Axle Diagnosis in Drive Axle.

Is the drive axle joint OK?

 

Go to Step 3

Go to Step 2

2

Repair or replace the worn or damaged drive axle joint. Refer to Drive Axle Replacement in Drive Axle.

Has the knock disappeared?

System OK

Go to Step 3

3

  1. Remove the transaxle assembly. Refer to Transmission Replacement
  2. Check for a worn side gear hub counterbore.

Is the counterbore OK?

 

System OK

Go to Step 4

4

Repair or replace the worn counterbore. Refer to Transmission Case Disassemble

Has the knock disappeared?

 

System OK

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