Defect summary
WHEN THE VEHICLE IS EXPOSED TO TEMPERATURES BELOW 5 DEGREES FAHRENHEIT (-15 DEGREES C), THE NEUTRAL DETERGENT USED AS AN ASSEMBLY LUBRICANT MAY STICK TO THE CHECK VALVE, PREVENTING VALVE FROM FUNCTIONING.
Consequence
THIS COULD CAUSE AN INOPERATIVE BRAKE POWER ASSIST WHICHDESCREASES BRAKING ABILITY, AND PRESENTS A POTENTIAL FOR AN ACCIDENT.
Remedy
REPLACE VACUUM HOSE ASSEMBLY.
Notes
SYSTEM: BRAKE VACUUM HOSE.VEHICLE DESCRIPTION: MULTI-PURPOSE VEHICLE.
Source: NHTSA ODI recalls file, campaign 91V013000. Text as published by NHTSA.