Master Cylinder - Grand WAGONEER: Disassembly
- Clean outside of cylinder thoroughly and remove cover. Drain fluid. Pump piston to remove any remaining fluid. On Delco/Moraine models with composite fluid reservoir, install metal flange in vise and pry reservoir off with a pry bar. Bendix composite reservoir is held on by 4 bolts on bottom of reservoir. On manual brake models, remove boot from cylinder to uncover push rod retainer.
- Pry up retainer tab to release retainer. Remove snap ring from groove in cylinder bore. Remove both piston assemblies. Remove remaining internal parts from bore. Note direction of piston seals. Remove and discard all rubber parts from piston assemblies.
- Tube seats can be removed if damaged. Enlarge holes in tube seats using a 13/64" drill. Place a large flat washer over outlet and thread a 1/4" x 20 x 3/4" screw into seat. Tighten screw until seat is loose. See Fig 1. Remove seat, screw and washer.
Courtesy of AMERICAN MOTORS/JEEP CORP.