Skylark V6-191 3.1L VIN M SFI (1994)
Gear Removal
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Turn the modulator gear to position the piston in the center of its travel. Place a screwdriver through the holes in the gears (not between the
gears) into the recessed hole in the modulator base. This will prevent the gear from turning, aiding in gear installation.
1. Position hydraulic modulator drive gears onto hydraulic modulator drive shaft.
2. Three gear retaining nuts.
TIGHTEN
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Nuts to 8.5 Nm (76 lb. in.).
Gear Positioning
3. With the hydraulic modulator upside down, and the gears facing you, rotate each hydraulic modulator gear counterclockwise until movement
stops. This procedure will position the pistons very close to the top of the hydraulic modulator bore, simplifying the brake bleeding procedure.
4. Position motor pack onto hydraulic modulator, aligning the three motor pack gears with the modulator gears.
IMPORTANT: Take care in handling the motor pack. If dropped or damaged during handling, the motor pack must be replaced.
5. Four motor pack to hydraulic modulator Torx head screws.
TIGHTEN
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Torx head screws 5 Nm (44 lb. in.).
6. Gear cover onto hydraulic modulator with Torx head screws.
TIGHTEN
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Torx head screws to 4 Nm (36 lb. in.).
7. Hydraulic modulator/master cylinder assembly.
