Contents: Removal ⬇ Installation ⬇
Signs of defective bearings are: knocking on sharp turns, difficulty turning the wheel when the brakes are released. The bearings are installed in such a way that their replacement is only possible using a special hydraulic press. Therefore, replacement should only be performed in a specialized workshop. Do not knock out the bearing with a punch!
Removal
Remove the front pillar.
Loosen the brake disc mounting bolt and remove the disc.
Attention! For cars with F-10, F-13, F-16 gearboxes, various Opel devices will be required for pressing out. You can also use short bushings of the corresponding diameter.
Press the bearing out of the hub. In cars with the F-16 gearbox, you will need the Opel KM-500-5 device for this, and with the F-10 and F-13 gearboxes, you will need the KM-466-5 (in addition, you will also need to place 2 flat or 4-sided suitable metal parts under the steering knuckle).
Attention! When pressing out, the inner bearing race remains on the hub.
Remove the brake disc shield from the steering knuckle.
(Original article on the web portal: OPELBOOK)
Remove retaining rings A and B using special pliers.
Press out the bearing from the steering knuckle. In cars with the F-16 gearbox and automatic gearbox, you will need the Opel KM-500-4 and KM-500-5 devices for this; in addition, you need to place the KM-200-2 part under the steering knuckle. In cars with F-10 and F-13 gearboxes, you will need the Opel KM-466-4 and KM-466-5 devices for this; in addition, it is necessary to place the KM-200-2 part under the steering knuckle.
Remove the inner bearing race from the hub. In cars with the F-16 gearbox and automatic gearbox, you will need the Opel KM-500-1 device for this, and in cars with the F-10 and F-13 gearboxes, you will need the KM-466-1.
Attention! Depending on the design of this bearing, the KM-500-1 device must be installed and secured either in the recess of the retaining ring or in the groove of the working surface of the bearing.
Installation
Attention! Do not reinstall the removed bearing!
Insert retaining ring A (fig.B-3965) into the steering knuckle. It should fit well into its recess, and the ears of the ring should be directed downwards.
Press in the new bearing until it touches the retaining ring in the steering knuckle. In cars with the F-16 gearbox and automatic gearbox, you will need the Opel KM-500-4 and KM-500-5 tools for this, and in cars with the F-10 and F-13 gearboxes, you will need the KM-466-4 and KM-466-5 tools.
Tighten the brake disc shield with a slight torque (about 4 Nm).
Insert the retaining ring B (fig.B-3965) into the steering knuckle. It should fit well into its recess, and the ears of the ring should be directed downwards.
Press the hub into the bearing. In cars with the F-16 gearbox, you will need the Opel KM-466-4 device and the KM-466-3 part, which you need to place under the inner bearing ring.
Install the brake disc and tighten its mounting bolt to a torque of 4 Nm.
Install the front pillar.
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