Defect Investigation Detail

BUICK / RIVIERA / 1985

Components - Details
NHTSA Action Number: EA88036 Vehicale/Equipment Name: BUICK
Vehicale/Equipment Model: RIVIERA Vehicale/Equipment Year: 1985
Component Name: SERVICE BRAKES, HYDRAULIC Manufacturer's Name: General Motors, LLC
Date Opened: Jul, 22 1988 Date Closed: Aug, 30 1991
Subject: REAR DISC BRAKES Summary: Summary: corrosion in the rear brake caliper prevents automatic adjustment for pad wear. this may eventually cause loss of rear service brake and parking brake. gm has added corrosion protection and changed spring rate to correct problem. same basic design used on all models identified.