FRONT BRAKE NOISE REVISED BRAKE PAD W/JN3

MODEL: 1988 C/K 10

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.

Ft. Wayne - JZ543800 Oshawa - J1564368 Pontiac - JE528759

The revised brake pads are currently available through GMSP0.

Option Part Model Code Year Number ----- ------ ---- ------ C/KlO JN3 1988 12321447 Under 6000 GVWR Power Brakes

For repairs to vehicles under warranty use:

Labor Op: H0042 Labor Time: .9 Hr

Trouble Code: 40

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.