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| Raise the vehicle using only the specially designed sockets. |
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| Do not remove the wheel hub covers for alloy wheels using a screwdriver; use the specially designed tool (extraction hook included with the vehicle tools). |
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| To loosened the wheel bolts, use a tube spanner of the correct size. Do not use tube spanners that have been damaged or twisted. |
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| Do not use a percussion screwdriver to loosen anti-theft wheel bolts (locked bolts). |
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| Keep the wheel bolts clean. |
DANGER! | The correct seating of the wheels and wheel bolts is only guaranteed if the checks and instructions below are followed. |
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| The following checks and instructions should be carried out while the wheel rim is dismounted. |
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| Check that contact surfaces on brake disc/wheel hub or brake disc/brake drum and wheel (rim) are free of corrosion and dirt → Chapter. |
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| Remove any oil, grease or rust. |
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| Check that the centring hole in the wheel rim and the centring flange on the wheel hub are free of corrosion and dirt. → Chapter |
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| If necessary, remove any oil, grease or rust and re-establish corrosion protection using a wax spray → Parts catalogue in the centre zone. |
Note | t
| Wax spray must not enter into contact with elements of the brake system. |
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| Any rust or dirt which drops between brake disc and wheel hub on removal should be blown out with compressed air. |
DANGER! | Use eye protection glasses when working with compressed air. |
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| The rim support cones and the wheel bolts must be free from rust and dirt. |
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| Soiled wheel rim support cones must be cleaned with a lint free cloth. |
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| Ensure that the wheel bolts and the hub bolt holes are free from rust and dirt. |
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| Clean soiled wheel bolts in the area of the cones and the threads using a metal brush. |
Note | Replace heavily corroded or rusty wheel nuts. |
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