TSB Document:

• SB-10046339-3324.pdf
• SB-10046339-5768.pdf

Affected Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

Summary

BUICK/CADILLAC/CHEVROLET/GMC: MASTER CYLINDER WAS UNBOLTED FROM BRAKE BOOSTER AT TIME OF APPLYING BRAKES WITH BRAKE PEDAL, THAT WAS LOW AND POSSIBLE CAUSE WAS SMALL VACUUM LEAK BETWEEN MASTER CYLINDER AND BRAKE BOOSTER WAS FOUND. CERTAIN MODELS 2009-2013 OF BUICK, CHEVROLET, CADILLAC, GMC. *PE UPDATED 10/15/12. *PE

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