Chassis - Whistling Noise
90audi0150-90-T01 Chassis Frame - Whistling Noise at 35-50 MPH (55-80 KMH)
Jan 90
Cause: Draft through drill hole on front chassis frame near jack points.
Production: Rubber grommet with water drain opening inserted in hole. Hole circumference reduced.
As of: September 1989
VIN: 44_LN020723
Service: Vehicles produced before May 1988 only: Drill 1/8" diameter drain hole into rubber grommet, P/N 171 971 913, and install in frame.
100/200 All M.Y. 1989-90