Brakes - Refinishing Brake Rotor Surfaces

88chevy22

GMC NUMBER: 88-T-167


GROUP: 5 - Brakes


DATE: October, 1988

CORPORATE
NUMBER: 865017
SUBJECT: REFINISHING BRAKE ROTOR SURFACES

MODEL: 1988 K1-2
1988 K1-2 model vehicles utilize "composite" front brake rotors. When refacing (turning) such rotors it is extremely important that the rotor be secured to the lathe exactly as it is mounted on the vehicle. To accomplish this, brake rotor adaptor tool J-37620 must be used. Failure to use this tool cause distortion of the rotor while mounting it to the
lathe, thus resulting in unparallel rotor surfaces. This condition can cause brake pedal pulsation and/or vibration. Adaptor tool J-37620 has been made part of the 1989 GMC essential tool package.