1997 GMC G SERIESNHTSA Campaign #97V054000
The official notice
Defect
VEHICLE DESCRIPTION: G VANS EQUIPPED WITH 6.5L TURBO-CHARGED DIESEL ENGINES. THE FRONT LEFT-HAND BRAKE PIPE CAN BE CONTACTED BY THE LOWER ENGINE OIL COOLER HOSE CAUSING A HOLE TO BE WORN IN THE BRAKE PIPE.
Safety Risk
A HOLE IN THE BRAKE PIPE CAN CAUSE LOSS OF FRONT BRAKE PERFORMANCE AND INCREASED STOPPING DISTANCES INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSTALL AN ENGINE OIL COOLER HOSE BRACKET TO PREVENT THE LOWER ENGINE OIL COOLER HOSE FROM CONTACTING THE BRAKE PIPE, AND ALSO INSPECTING THE BRAKE PIPE FOR WEAR. IF NECESSARY, THE BRAKE PIPE WILL BE REPLACED.
Updated June 10, 2026