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Rumble Type Noise on Acceleration (Adjust Transmission Support)

Subject:Rumble Type Noise on Acceleration (Adjust Transmission Support)

Models:2008 Cadillac CTS
with All Wheel Drive (RPO MX7)



Condition

Some customers may comment on a rumble type noise heard on acceleration.

Cause


Object Number: 2037963  Size: SH

This noise may be due to a ground out condition between the transmission support and the mount.

Correction

Adjust the transmission support to eliminate the ground out condition using the procedure below.

  1. Loosen the four transmission support to body bolts.

  2. Object Number: 2037910  Size: SH
  3. Shift the transmission support as far rearward as possible.
  4. Re-torque the bolts
  5. Tighten
    Tighten the bolts to 110N·m(81 lb ft).

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

K9802*

Adjust Transmission Support to Eliminate Ground Out Condition

0.3 hr

*This is a unique labor operation for bulletin use only. It will not be published in the Labor Time Guide.