GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

  1. Disassemble the transaxle case. Refer to Transmission Case Disassemble in the M86/M94 Section of the Transmission Unit Repair Manual.
  2. Check the following components for wear or damage.
  3. • The 4th speed constant-mesh gears
    • The 3rd/4th synchronizer
    • The output gear

Are any of the components worn or damaged?

Go to Step 2

Go to Bearing Noise

2

Service, repair, or replace the components as necessary. Refer to the M86/M94 Section of the Transmission Unit Repair Manual.

Did the noise disappear?

System OK

Go to Bearing Noise