Defect
A SOAPY LUBRICANT WAS USED TO INSERT THE CHECK VALVE INTO THE VACUUM HOSE WHICH CAUSES THE BRAKE BOOSTER CHECK VALVE TO STICK.
Consequence
THIS CONDITION CAN CAUSE A LOSS OF THE BRAKE'S POWER ASSIST RESULTING IN A REDUCTION IN BRAKING PERFORMANCE INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.
Remedy
DEALERS WILL CLEAN THE CHECK VALVE BY WASHING THE VACUUM HOSE WITH HOT WATER.