PRE-RELEASE

Hydraulic unit, TCS/ESP

Important
ESD-SENSITIVE COMPONENT
Earth yourself by touching the car body before plugging in / unplugging components. Do not touch the component pins . Read Before removing a control module before changing a control module.

To remove

Fit 82 93 706 Wing cover .

Drain the brake system as described in changing brake fluid .

Remove the battery and lower part of battery cover .

Unplug the control module.

Important
Take care when releasing the locking mechanism on the connector so as not to damage the connector. Pull the halves straight apart to avoid bending the pins. For further information regarding connectors, refer to Connectors, handling and inspection .

Detach the brake pipes from the unit.

Remove the bracket and the ground lead from the spring strut tower.

The ground cable has been removed continuously during M05.

Note
Remove the washer between the ground line and spacer.

Lift up the unit.

If changing the hydraulic unit: Remove the bracket from the unit.

If changing the hydraulic unit: Remove the bolts holding the control module to the hydraulic unit.

10.

When changing the hydraulic unit/control module: Carefully pull the control module away from the hydraulic unit.

To fit

When changing hydraulic unit/control module: Make sure the gasket is situated in the groove in the control module.

When changing hydraulic unit/control module: Press the control module in place on the hydraulic unit.

When changing the hydraulic unit/control module: Fit the bolts.

Note
Tighten the bolts alternately.

Tightening torque 2.5 Nm (1.8 lbf ft)

If the hydraulic unit is changed: Fit the bracket to the unit.

Tightening torque: 10 Nm (7,5 lbf ft)

Put the unit in place with guide pin in the rubber bushing.

Fit the bolts and the ground line to the spring strut (on cars with ground cable).

Tightening torque: 25 Nm (18 lbf ft)

Attach the brake pipes to the unit.

Tightening torque: 16 Nm (12 lbf ft)

Plug in the control module.

Refit the battery cover and battery .

10.

Fill with brake fluid and bleed the brake system .

11.