Defect summary
BRAKE BOOSTER REAR SHELLS MAY HAVE REDUCED WALL THICKNESSES WHICH COULD CAUSE THE SHELL TO BREAK. CONSEQUENCE OF DEFECT: REPEATED BRAKE USE COULD CAUSE THE SHELL TO CRACK AND THE BOOSTER ASSEMBLY TO COME APART. SERVICE BRAKES CAPABILITY WOULD BE TOTALLY LOST WITHOUT WARNING AND COULD RESULT IN AN ACCIDENT.
Remedy
INSPECT AND IF NECESSARY REPLACE THE POWER BRAKE BOOSTER ASSEMBLY.
Notes
VEHICLE DESCRIPTION: PASSENGER CARS EQUIPPED WITH 3.8 OR 5.0 LITER ENGINES ANDTANDEM POWER BRAKE BOOSTERS.VEHICLES EQUIPPED WITH POLICE OR TAXI PACKAGE OPTION ARE NOT AFFECTED.SYSTEM: POWER BRAKE BOOSTERS.
Source: NHTSA ODI recalls file, campaign 85V068000. Text as published by NHTSA.