Abs/TCS Modulator Gears: Removal
- Remove modulator/motor pack assembly from vehicle. See ABS MODULATOR/MOTOR PACK ASSEMBLY
or TCS MODULATOR/MOTOR PACK ASSEMBLY. Turn modulator/motor pack assembly upside-down. Remove 6 Torx head screws attaching gear cover to bottom of modulator. See Figure
.
- Remove 4 screws attaching motor pack to modulator. See Figure
. DO NOT drop motor pack. If motor pack is dropped, replacement i s necessary. DO NOT allow gears to turn during removal of gear retaining nuts. Piston in modulator can hit top of bore, damaging piston.
- Insert a drift through holes in gears (not between gear teeth) to recessed hole in modulator base. See Fig 1
. Remove gear retaining nuts as necessary. Identify gear position and location for reassembly reference. Remove gears from modulator.
Courtesy of GENERAL MOTORS CORP.