Wheel Cylinder - CJ, CHEROKEE, Scrambler & Wrangler: Reassembly
- Lubricate cylinder bore and internal components with brake fluid. Do not lubricate dust boots. Position replacement piston cups on spring expanders and install assembled parts into cylinder bore.
- Ensure expanders are seated in piston cups and that cups are installed with lips facing one another. Install pistons with flat sides facing interior of bore. Install dust boots.