Withdrawal
1. Position the vehicle on jack stands or a pit and remove the cross member under the pipes of the exhaust system, if any.
2. Loosen the bolts of the connecting clamps and remove the muffler, see the relevant chapter.
3. Unscrew the bolts and remove the protective shields under the cardan shaft (see arrows in illustration).
4.3. Unscrew the bolts and remove the protective shields under the cardan shaft (see arrows)
4. Unscrew the bolts and remove the protective shield over the cardan shaft near the Torsen differential (see arrows in illustration).
4.4. Unscrew the bolts and remove the protective shield over the cardan shaft near the Torsen differential (see arrows)
5. Verify that the driveshaft and rear differential flange are marked as normally made at the factory. If there are none, then mark the position of the cardan shaft on the flange by applying paint marks A and B (see arrows in illustration).
4.5. Mark the position of the driveshaft on the flange by marking A and B with paint (see arrows)
6. Unscrew the top three bolts securing the driveshaft to the gearbox and rear differential. Bolt tightening torque 55 Nm.
Attention! The vehicle manufacturer recommends installing a prop under the driveshaft before removing it.
7. Install an appropriate support under the cardan shaft, for example, AUDI-313S (see illustration) and unscrew the three lower bolts securing the shaft to the gearbox and rear differential.
4.7. Install a suitable support under the propeller shaft, for example, AUDI-3139
Attention! Bolts securing the cardan shaft to the flanges are self-locking and must be replaced after each disassembly.
8. Unscrew the bolts of the intermediate support of the cardan shaft (see arrows in illustration) and lower the shaft on the support. The tightening torque of the support bolts is 25 Nm.
4.8. Unscrew the bolts of the intermediate support of the cardan shaft (ohm. arrows)
Installation
Installing the cardan shaft is carried out in the reverse order of removal. To avoid unbalance of the propeller shaft during installation, align the mark on the shaft with the mark on the rear differential flange.
9. Replace with new flange seals by removing the protective foil from them and sticking them on the flanges.
Attention! Before installing the cardan shaft, clean the threads in the connecting holes with a tap to remove any residue of the appropriate sealant. Otherwise, jamming of new bolts will occur and they will break during repeated dismantling.
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