Clean and lubricate the park brake lever assembly using Lubriplate GM P/N 1050109 or the equivalent.

Plastic coated parking brake cables do not need periodic lubrication. However, before performing service that involves the adjuster, perform the following steps:

1. Clean the exposed threads on each side of the nut.

Important: Lubricate the threads of the adjusting rod before turning the nut

2. Lubricate the threads of the adjusting rod using Lubriplate GM P/N 1050109 or the equivalent.