Hydraulic Unit, Replacing: Preparation
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Remove the battery lead. See BATTERY, DISCONNECTING
WARNING:
The hydraulic unit must not be opened under any circumstances. Reassembling it requires special equipment and facilities.
NOTE:
An hydraulic unit for ABS has only eight valves while a unit 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.
Secure the pedal in the depressed position.
Use a pedal jack.
Remove the protective cap from the bleed nipple at the left front wheel.
Install a plastic hose on the nipple. Open the bleed nipple.
Collect the brake fluid in a container (bottle).
Shut the bleed nipple.