THE FRONT LEFT BRAKE PIPE CHAFES AGAINST THE POWER STEERING HOSE WHICH WEARS A HOLE IN THE BRAKE PIPE. THIS CAUSES A POTENTIAL LOSS OF BRAKE FLUID RESULTING IN LOSS OF FRONT BRAKE SYSTEM OPERATIONS.
IF THIS OCCURS THE BRAKING EFFECTIVENESS OF THE VEHICLEDIMINISHES AND MAY RESULT IN A VEHICLE CRASH.
DEALERS WILL INSTALL A NEW BRAKE PIPE WITH SUFFICIENT CLEARANCE TO PREVENT THIS CONDITION.
SYSTEM: BRAKES; HYDRAULIC SYSTEM.VEHICLE DESCRIPTION: MEDIUM DUTY COMMERCIAL CHASSIS EQUIPPED WITH 4.3 LITERENGINES AND 7,200 POUND GROSS VEHICLE WEIGHT BRAKE SYSTEM.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPONSERVICE DATE AND THE REMEDY IS NOT PROVIDED IN A REASONABLE AMOUNT OF TIME ANDFREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT OR NONCOMPLIANCE,PLEASE CONTACT CHEVROLET SERVICE CENTER AT 1-800-222-1020 OR GMC SERVICE CENTERAT 1-313-456-4547. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETYADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.