GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: Noise occurs in 4th speed gear only

1

  1. Disassemble the transaxle case. Refer to Transmission Case Disassemble
  2. Check the following components for wear or damage.

    • 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

Refer to Isolating Noise

2

Service, repair, or replace the components as necessary. Refer to Transmission Case Assemble

Did the noise disappear?

 

System OK

Refer to Isolating Noise