Note: See Chapter 2 before starting work.
ABS-2E system
Removing
1. Make sure the ignition is off, then disconnect the negative cable from the battery.
2. The control unit is installed under a cover in the sill on the passenger side.
3. Remove the three fixing screws and lift the cover off the control box. Please note that two of the three screws are covered with plastic plugs.
4. Lift the control box out of the installation opening, then release the mounting bracket and disconnect the box wiring connector. Remove the block (see illustrations).
Installation
5. Install in reverse order.
6. Make sure the ABS warning light goes out the first time the engine is started after the block has been removed. As soon as possible, have an Opel dealer check the underbody system on the appropriate equipment.
ABS-2EH system
Removing
7. Make sure the ignition is off, then disconnect the negative cable from the battery.
8. Remove the cover from the hydraulic modulator.
9. Disconnect the connectors of the electromagnetic block and the wiring harness.
10. Relays can only be removed from control boxes with tall covers (see illustration). Remove the relay of the electromagnetic block and the pump motor (if they are removable). If the failed control box has a low cover, replace the relay assembly.
11. Turn off bolts and remove the control block.
Installation
12. Install in reverse order. See also point 6.
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