Master Cylinder Reservoir (AEROSTAR): Removal

1. Remove master cylinder. See appropiate MASTER CYLINDER under REMOVAL & INSTALLATION  . Use care not to scratch exposed primary piston. Turn master cylinder upside down and drain fluid from cylinder. Discard old fluid.
2. Place master cylinder assembly on surface that will not scratch exposed primary piston. Disconnect differential pressure switch connector from switch. Remove reservoir retainer. See Fig 1 .
3. Remove reservoir from master cylinder. Remove and discard the two rubber D-Ring reservoir seals.

Fig 1: Recessed Cartridge Master Cylinder (Aerostar)

Courtesy of FORD MOTOR CO.