S70 L5-2.4L VIN 61 B5244S (2000)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Hydraulic modulator, replacement
Note: Never open ABS hydraulic modulator under any circumstances. Reassembling it requires special equipment and facilities.
Preparations
^
Ignition off.
^
Place a rag 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 power brake booster.
^
Clean the brake pipes terminals at the ABS hydraulic modulator and master cylinder.
^
Disconnect the ignition cable from the ignition coil and its mountings on the air cleaner (ACL) housing.
^
Remove Air Cleaner (ACL) housing and air preheating intake pipe.
On cars with turbocharger (TC) engines
Remove:
^
Intake pipe between Air Cleaner (ACL) housing and Turbocharger (TC).
Locking brake pedal
^
Raise the car.
^
Remove protective cap from bleed nipple at left front wheel.
^
Connect hose from collection bottle.
^
Open the bleed nipple and depress the brake pedal. Hold it down or lock the brake pedal in that position.
^
Shut the bleed nipple.
Removing bracket with ABS hydraulic modulator
Remove:
^
Brake pipes between ABS hydraulic modulator and master cylinder.
^
Disconnect brake pipes to wheel brakes. Immediately plug the brake pipes and the ABS hydraulic modulator connectors to prevent dirt entering
the turbocharger
^
Disconnect control module connector by pressing in the catch on the rear edge of the cover (wheel arch side). Carefully turn the cover upwards so
that the lock catch is released.
Remove:
^
Bracket mounting screws and lift up bracket.
^
Lift up the bracket and disconnect the vacuum hose.
Cars with TRACS
