Audi Workshop Service and Repair Manuals

Instructions for changing/fitting wheels   Note The width across flats of the wheel bolt adapter supplied with the vehicle can differ from that of the adapter in the workshop adapter set. Special tools and workshop equipment required

t  Torque wrench -V.A.G 1332- t  Adapter set for tamper-proof wheel bolts -T10101-

t  Adapter set for tamper-proof wheel bolts -T10101 A-

t  Adapter set for tamper-proof wheel bolts -T40004-

t  Adapter set for tamper-proof wheel bolts -T40073- t  Wax spray -D 322 000 A2- t  Optimol TA paste -G 052 109 A2- Wheel change   Caution On vehicles with ceramic brakes the wheel must not be allowed to drop onto the brake disc. This would cause irreparable damage to the disc. When removing or fitting a wheel, screw the long assembly pin into the top wheel bolt hole (12 o'clock position) in place of the wheel bolt, and screw the short pin into one of the other holes to support the wheel. The wheel can then slide along the assembly pins when fitting or removing it.   Note t  Raise vehicle only at jacking points provided. t  Do not use screwdriver to pry off trim caps on vehicles with light-alloy wheels; always use special tool provided (puller from vehicle tool kit). t  To slacken off wheel bolts, always use socket attachments of the correct size. Worn socket attachments must not be re-used. t  Do not use impact wrenches for slackening off anti-theft wheel bolts (lockable wheel bolts). t  Take care to keep wheel bolts clean.   DANGER! Perform the checks and follow the instructions listed below. This is important to ensure that the wheel bolts and the wheels are properly secured. Perform the following steps with the wheel rim removed.   DANGER! To ensure that the wheel bolts are seated securely, it is important to make sure that the correct type of wheel bolts for the model are fitted. Depending on the model, the bolts are of different lengths and have different diameters at the tapered contact surface between the bolt and the rim.

–  Check that contact surfaces -arrows- on brake disc/wheel hub or brake disc/brake drum and wheel (rim) are free of corrosion and dirt. –  Remove any oil, grease and corrosion.

–  Check that centring flange on wheel hub -arrow- is free of corrosion and dirt.

–  Check that contact surfaces -arrow- on inside of wheel rim and centring seat in rim are free of corrosion and dirt.

–  The convex seats in the holes for the wheel bolts on the rim must be free of corrosion, dirt, oil and grease. –  Remove any oil, grease, dirt and corrosion and apply wax spray -D 322 000 A2- around centring hole/flange to ensure corrosion protection.   Note t  The wax spray must not come into contact with brake system components. t  Any rust or dirt which drops between brake disc and wheel hub on removal should be blown out with compressed air.   DANGER! Wear safety goggles when working with compressed air. The convex seats for the wheel bolts in the wheel rim and the shoulders on the wheel bolts must be free from dirt and corrosion. –  If necessary, clean the seats for the wheel bolts in the rim using a clean, lint-free cloth. –  Check that the wheel bolts and the threads in the wheel hub are clean. –  Use a brass wire brush or similar to remove any dirt from the shoulder and threads of the wheel bolts.   WARNING Damaged or badly corroded wheel bolts must be renewed.

If lightly corroded wheel bolts are re-installed on the vehicle, clean the threads and the shoulders on the bolt heads and grease the surfaces in sliding contact using Optimol TA paste -G 052 109 A2- as follows (all vehicles except RS 2 and RS 4, Type 8D): A -  One-piece wheel bolt. Lightly grease thread -2- and shoulder -1-. B -  Two-piece wheel bolt. Lightly grease thread -3-, and area between bolt head contact surface -6- and back of convex washer -5-. Do not apply grease to the convex surface -4- that bears against the wheel rim.   Note Use only Optimol TA paste -G 052 109 A2-. The paste must not come into contact with parts of the brake system. Only for RS 2 and RS 4 (Type 8D): l  Slightly corroded wheel bolts are not to be cleaned and greased. They must always be renewed. l  Wheel bolts are always to be screwed in without grease. All vehicles (continued): –  Check that wheel bolts can be screwed in easily by hand without using tools. When fitting the wheel, the bolts should screw in easily over the full length of the threads. –  Make sure the holes in the hub align. The thread of the wheel bolts must not contact the bore in the brake disc. –  If the thread of the wheel bolt touches the hole, turn the brake disc relative to the wheel hub accordingly. Fitting wheels:   Note t  On rims with bonded wheel trims, take care not to scratch the wheel trims. t  Wheel trims have a very sensitive surface. t  If a wheel trim is damaged, the rim must be renewed.

t  The wheel trim cannot be renewed. t  Position wheel on wheel hub and secure by hand with two opposing wheel bolts. t  Screw in remaining wheel bolts by hand. They should screw in easily. Make sure the bores are exactly centralised. t  If necessary lift the wheel slightly and tighten two wheel bolts lightly by hand. t  When fitting the wheel, screw in all wheel bolts uniformly by hand. t  Tighten the wheel bolts diagonally using, for example, a four-arm wheel nut wrench, to about 30 Nm.   Note t  Make sure that the correct type of wheel bolts are fitted; refer to → Electronic parts catalogue. t  Always use the same type of wheel bolts on all four rims of a vehicle.   WARNING Do not use an impact wrench to screw in the wheel bolts.

–  If necessary, take the weight off the wheel by lifting it slightly. –  Lower vehicle to floor and tighten all wheel bolts in diagonal sequence to final specified torque. –  Lower vehicle onto its wheels. → Running gear, front-wheel drive and four-wheel drive; Rep. gr.44