GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: Noise occurs in REVERSE gear only

1

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

    • The idler gear
    • The idler gear bushing
    • The input gear
    • The output gear

Are any of the components worn or damaged?

 

Go to Step 2.

Refer to Transmission Replacement

2

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

Did the noise disappear?

 

System OK.

Refer to Transmission Replacement