Parking Brake System: Service and Repair

Clean and lubricate the park brake lever assembly with Lubriplate GM P/N 1050109 or the equivalent.
Plastic coated parking brake cables do not need periodic lubrication. However, before doing service which involves the adjuster, clean the exposed threads on each side of the nut, and lubricate the threads of the adjusting rod with Lubriplate GM P/N 1050109 or the equivalent before turning the nut.