Interior - Hoot Noise During Highway Operation
88chevy30Number: 89-55-3B
Section: 3B
Date: DEC., 1988
Subject: "HOOT" NOISE DURING VEHICLE HIGHWAY OPERATION
Model and Year: 1988-89 K1, K2, K3
TO: ALL CHEVROLET DEALERS
Some 1988-89 K trucks may exhibit a "hoot" noise during vehicle highway operation. This condition is caused by wind rushing over the access holes for the stabilizer bar link in the lower control arm.
SERVICE ACTION
Install plug in the link access hole in the lower control arms. (2 per vehicle.)
SERVICE PARTS INFORMATION
P/N 15611475 Plug-lower control arm hole
Parts are currently available from GMSPO.
For vehicles repaired under warranty, use:
Labor Operation: T7845
Labor Time: .2 Hr.