Lumina V6-3.1L VIN J (2000)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Brake Modulator Replacement
Removal Procedure
1. Remove the gear cover (3). Refer to Modulator Gear Cover Replacement.
2. Remove the brake motor pack (ABS) (1). Refer to ABS Motor Pack Replacement.
3. Remove two ABS brake modulator to master cylinder banjo bolts (2).
4. Separate the brake modulator (6) from the master cylinder (8).
5. Remove two transfer tubes (7) with O-rings from the master cylinder (8) or the ABS brake modulator (6).
6. Remove banjo bolt O-rings from the master cylinder (8) and the ABS brake modulator (6).
Installation Procedure
Important: When replacing the ABS brake modulator, install the three gears in the same location on the replacement brake modulator. Refer to ABS
Motor Pack Replacement.
No repair of the ABS brake modulator is authorized. Replace the ABS brake modulator as an assembly.
Important: Use new transfer tube assemblies when assembling the ABS brake modulator/master cylinder assembly. Be sure to properly install two
O-rings on each transfer tube.
