Century V6-181 3.0L (1983)
Brake Proportioning/Combination Valve: All Technical Service Bulletins
Brakes - Proportioner Valve Recall Inspection
TO:
ALL BUICK DEALERS DCS NO, 84-11
SUBJECT:
BRAKE PROPORTIONER VALVE MAY GROUP NO, 5
SEPARATE FROM MASTER CYLINDER
NOVEMBER 8, 1983
CAMPAIGN 83-C-8, GROUP 50, NUMBER 2 DATED OCTOBER 1983
DEALER REPAIR TECHNICIANS PERFORMING INSPECTION OF BRAKE PROPORTIONER VALVES FOR THE 1983 CENTURY,
SKYHAWK AND SKYLARK VEHICLE CAMPAIGN ARE TO BE INSTRUCTED TO PERFORM THE VALVE INSPECTION, IN
ACCORDANCE TO FIGURE 1 INCLUDED WITH SUBJECT BULLETIN. A MAGNIFYING GLASS IS REQUIRED TO ACCURATELY
IDENTIFY PROPORTIONER VALVES REQUIRING REPLACEMENT. SERVICE SALES OF THE REPLACEMENT VALVES HAVE FAR
EXCEEDED THE NUMBER OF VEHICLES REQUIRING CORRECTION. IT IS ESTIMATED THAT APPROXIMATELY 15 PERCENT OF ALL
VALVES INSPECTED WILL REQUIRE REPLACEMENT. YOUR COOPERATION IDENTIFYING VALVES WILL ENSURE ADEQUATE
SERVICE PARTS WILL BE AVAILABLE, BUICK MOTOR DIVISION TECHNICAL SERVICE, FLINT, MICHIGAN RHG/MS