SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
BRAKE BOOSTER VACUUM RESERVOIR CANISTERS MAY DEVELOP LEAKS DUE TO BUMPER IMPACT.
Remedy: REPLACE BRAKE BOOSTER VACUUM CANNISTERS WITH NEW TYPE CANNISTERS; ALSO, INSTALL A RESTRICTION ORIFICE TO ENSURE SUFFICIENT VACUUM IN EVENT CANNISTER LEAKAGE OCCURS.
1,600 vehicles affected