Driveline - Noise/Vibration Between 25-45 MPH
Bulletin 87-3-8Date Mar. '87
Ref. No. 87-087-3
Corp. Ref. No. 703001
SUBJECT: DRIVELINE NOISE BETWEEN 25-45 MPH
MODELS AFFECTED: ALL LESABRE/ELECTRA WAGONS
If owner comments are received concerning body rumble or boom and/or driveline vibration between 25-45 mph on LeSabre or Electra Wagons, please refer to pages 4A-2 through 4A-4 in the 1987 Buick Chassis Service Manual. These pages aid in diagnosing whether the problem is propshaft related or not. If the problem is propshaft related, these pages will aid in evaluating front and rear joint angles and how to change them, if necessary.