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How to change rear wheel bearing on AUDI A6 Saloon (4B2, C5) – replacement guide
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Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.7 T, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 3.7, AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.0, AUDI A6 Saloon (4B2, C5) 3.0, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 2.7 quattro … View more
The steps may slightly vary depending on the car design.
AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.7 T, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 3.7, AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.0, AUDI A6 Saloon (4B2, C5) 3.0, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 2.7 quattro … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Wheel Bearing for A6 Saloon (4B2, C5) and other AUDI models
Alternative products

Wire brush
Nylon cleaning brush
WD-40 spray
All-purpose cleaning spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #15
Drive socket # 13
HEX bit No.H8
Wheel impact socket #17
Ratchet wrench
Flat screwdriver
Tap wrench
Impact screwdriver
Pincers
Crow bar
Wheel chock
AUTODOC recommends:
- Do not re-use the bearing assembly of your AUDI A6 (4B2, C5) car.
- The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
- Please note: all work on the car – AUDI A6 (4B2, C5) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Secure the wheels with chocks.Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 3Raise the rear of the car and secure on supports.Step 4
Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. AUDI A6 (4B2, C5) - Step 5
Remove the wheel. - Step 6
Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray. - Step 7
Unscrew the brake caliper fastening. Use a combination spanner #15. Use a drive socket #13. Use a ratchet wrench. - Step 8
Remove the brake caliper. Use a crowbar.Replacement: wheel bearing – AUDI A6 (4B2, C5). AUTODOC experts recommend:Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary. - Step 9
Remove the brake pads. Use a crowbar. - Step 10
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray. - Step 11
Unscrew the caliper bracket fastening. Use HEX No.H8. Use a tap wrench. Use a ratchet wrench. - Step 12
Remove the caliper bracket. - Step 13
Remove the brake disc. - Step 14
Clean the ABS sensor fastener. Use a nylon cleaning brush. Use all-purpose cleaning spray. - Step 15
Detach the ABS sensor fastener. Use a flat screwdriver. - Step 16
Disconnect the ABS sensor. Use pincers. - Step 17
Clean the wheel hub fastener. Use a wire brush. Use WD-40 spray. - Step 18
Unscrew the wheel hub bolts. Use HEX No.H8. Use an impact screwdriver. Use a ratchet wrench. - Step 19
Remove the hub and the bearing together, since they are a sealed unit. - Step 20
Remove the brake disc baffle plate. - Step 21
Clean the hub bearing mounting seat. Use a wire brush. Use WD-40 spray. - Step 22
Treat the wheel hub fasteners. Use copper grease. - Step 23
Install the new wheel hub with a bearing.
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