S60 L5-2.4L VIN 64 B5244S6 (2003)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Hydraulic unit, replacing
Preparation
Disconnect the battery lead
See Battery, disconnecting See: Starting and Charging/Battery/Service and Repair/Procedures/Battery, Disconnecting.
Warning! Never, under any circumstances, open the ABS hydraulic modulator. Reassembling it requires special equipment and facilities.
Note! An ABS modulator for ABS has only eight valves while an ABS modulator for ABS and STC (stability and traction control) has ten
valves.The method for replacing the unit is the same for both types. Check thoroughly when installing the new unit that the unit is the correct
type.
Removal
Preparations
Switch off the ignition
Place paper under the ABS hydraulic modulator as protection against brake fluid spillage.
Depress the brake pedal a few times so that no vacuum remains in the servo unit.
Clean the brake pipes terminals at the ABS hydraulic modulator and master cylinder
Depressurise the brake system