Affected Component: SUSPENSION

Date Published
OCT 01, 1999
NHTSA TSB #
6088678
TSB Document
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 990309003.

Summary
VEHICLES WITH 4L60-E AUTOMATIC TRANSMISSIONS MAY EXHIBIT VIBRATION DURING ACCELERATION FROM 0 - 40 KM/H (0-25 MPH). *TT