GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: Noise occurs in 1st speed gear only

1

  1. Disassemble the transaxle case. Refer to Transmission Case Disassemble
  2. • The 1st speed constant-mesh gears
    • The 1st/2nd synchronizer

Are any of the components worn, chipped, or scored?

 

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