How to replace the differential seal for the drive flange and pinion on 2006 Audi A4?

Replacing drive flange seals and raising and supporting the vehicle, dismounting heat shield, and unbolt the driveaxle. Drain both sides, wipe out the old seal and install a new one. fit back together, taking care of lubrication and require a torque. With pinion seals, the procedure is the same, only with certain differences in models.

Genuine 2006 Audi A4 Differential Seal

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2006 Audi A4 Companion Flange Part Number: 016-409-399-B
$44.88 MSRP: $61.82
You Save: $16.94 (28%)
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Product Specifications
- Other Name: Seal; Axle Seal, Axle Shaft, Companion Flange, Side Seal
- Replaces: 018-409-399
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 016-409-399-B
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
More Info
Fits the following 2006 Audi A4 Submodels:
- Avant, Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS

2006 Audi A4 Differential Seal Parts and Q&A

Q: How to replace the differential seal for the drive flange and pinion on 2006 Audi A4?
A: Replacing drive flange seals and raising and supporting the vehicle, dismounting heat shield, and unbolt the driveaxle. Drain both sides, wipe out the old seal and install a new one. fit back together, taking care of lubrication and require a torque. With pinion seals, the procedure is the same, only with certain differences in models.