Brakes - High Pitched Noise
88chevy26Number: 88-361-5
Section: 5
Date: NOV., 1988
Subject: FRONT BRAKE NOISE
Model and Year: 1988 C/K 10
TO: ALL CHEVROLET DEALERS
Some 1988 C/K 10 series trucks with JN3 power brakes (fourth digit of VIN is "D") may experience a high pitched brake noise under light to moderate brake applications. A revised brake pad with a new lining has been released to production after the following VIN breakpoints to reduce the noise.
ASSEMBLY PLANT VIN BREAKPOINTS
Ft. Wayne JZ256482
Oshawa J1256582
Pontiac JE182877
Option Part
Model Code Year Number
C/K 10 JN3 1988 12321447
Under 6000 GVWR Power Brakes
The revised brake pads are currently available through GMSPO.
Use existing labor operations and times.