General Repair Information: Components
Rear Final Drive
- Allocate bolts and other components according to final drive code, refer to parts.
- When installing, check the oil level in the rear final drive and fill if necessary, refer to REAR FINAL DRIVE GEAR OIL, CHECKING .
- Capacities and Specifications, Audi A4 from MY 2001, refer to ENGINE CODES, TRANSMISSION ALLOCATIONS, RATIOS AND CAPACITIES, AUDI A4 FROM MY 2001 .
- Capacities and Specifications, Cabriolet from MY 2003, refer to ENGINE CODES, TRANSMISSION ALLOCATIONS, RATIOS AND CAPACITIES, CABRIOLET FROM MY 2003 .
- Capacities and Specifications, Audi A6 from MY 2005, refer to ENGINE CODES, TRANSMISSION ALLOCATION, RATIOS, CAPACITIES, AUDI A6 FROM MY 2005 .
- Capacities and Specifications, Audi A8 from MY 2003, refer to ENGINE CODES, TRANSMISSION ALLOCATION, RATIOS, CAPACITIES, AUDI A8 FROM MY 2003 .
- Clean the contact surfaces when installing the brackets as well as any waxed components. Contact surfaces must be free of grease and wax.
- Always clean the connection locations and the area around them before loosening.
O-Rings, Gaskets, Seals
- O-rings, gaskets and seals must be replaced.
- After removing gaskets, examine contact surface on housing/shaft for burr resulting from removal or for other signs of damage.
- Thoroughly clean housing joint surfaces before assembling.
- Before installing the radial shaft seals lightly oil the outer circumference and fill the space between the sealing lips -arrow- halfway with Grease G 052 128 A1.
- The open side of the seals point toward the fluid to be sealed in.
- Lightly lubricate O-rings before installing to prevent them from being crushed when inserting.
- After replacing the seals and sealing rings, check the transmission fluid level and fill if necessary, refer to REAR FINAL DRIVE GEAR OIL, CHECKING .
Fasteners
- Do not overstretch the circlips.
- Always replace damaged or stretched circlips.
- The circlips must fit completely inside the groove.
- Replace the adapter sleeves. Installed position: Slit -A- should in line with the line of force -arrow-.
Bolts and Nuts
- Tighten and loosen the bolts and nuts for securing covers and housings in a diagonal sequence.
- Parts which are particularly sensitive to distortion must be kept straight when removing and installing; loosen or tighten diagonally in stages.
- The tightening specifications stated apply to non-oiled nuts and bolts.
- Always replace self-locking nuts and bolts.
- Clean threads of bolts that were applied with locking fluid using a wire brush (does not apply to driveshaft bolts: these must be replaced). Install the bolts with Locking Fluid AMV 185 101 A1.
- Threaded holes used for self-locking bolts or bolts coated with locking fluid must be cleaned, for example with a thread tap. Otherwise there is a risk that the bolts will shear the next time they are removed.