Interior - Hoot Noise During Highway Speeds

89chevy05

GMC NUMBER: 89-T-10


GROUP: 3C - Front Suspension

DATE: February, 1989


CORPORATE
NUMBER: 863303R
SUBJECT: "HOOT" NOISE DURING HIGHWAY OPERATION

MODELS: 1988-89 K1, K2, K3
Some 1988-1989 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