Raise the vehicle from behind, see section "Lifting a car".
Remove the rear wheel.
Press out the protective cap. You can use various tools to press out the cap, but you must ensure that the cap is not damaged. Water can penetrate the bearing through a damaged protective cap, causing the bearing to quickly collapse. Therefore, always replace dented and deformed caps.
The protective cap can be pulled out with suitable pliers or pressed out with a screwdriver.
Remove the cotter pin and crown lock washer.
Loosen the hex nut slightly and tighten it again. The bearing clearance is adjusted correctly if the pressure washer can still be moved with a screwdriver under the pressure of a finger (arrow). Never lean on the washer with a screwdriver by turning it or using it as a lever.
Caution: When tightening the nut, turn the wheel by hand to ensure that the bearing does not jam.
Install the crown lock washer so that the cotter pin can be inserted.
Insert a new cotter pin and bend its ends.
Carefully push in the protective cap using the VW-40-21 tool.
If the tool is not available, this can be done with a suitable pipe, the inner diameter of which fits against the flange of the cap.
Attention: A dented or deformed cap must be replaced, as moisture will penetrate into the bearing due to leakage and it will quickly deteriorate.
Install the rear wheel, lower the vehicle, tighten the wheel bolts crosswise to 110 Nm.
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