General Repair Information; Cleaning; Components - Audi Q7 2007 Repair Manual

Transfer Case 0BU, Front Final Drive 0BM, 0C1 and 0BN, Rear Final Drive 0BP - Edition 12.2012
5

General Repair Information

⇒ "5.1 Cleaning", page 7
⇒ "5.2 Components", page 7
5.1

Cleaning

Carefulness, cleanliness and the correct tools are required for
transmission repairs to be successful. The usual basic safety pre‐
cautions also, naturally apply when carrying out vehicle repairs.
A number of generally applicable instructions for individual repair
procedures, which are otherwise mentioned at various points in
the Repair Manual, are summarized here under the topic "Com‐
ponents". Refer to ⇒ "5.2 Components", page 7
to this repair manual.
5.2

Components

Transmission
♦ Make sure that the alignment sleeves between the transfer
case and transmission are positioned correctly when installing
the transfer case.
♦ Clean the contact surfaces when installing the brackets as well
as any waxed components. Contact surfaces must be free of
grease and wax.
♦ For the correct bolts and other components, refer to Parts
Catalog.
♦ When replacing a transfer case, the gear oil must be filled up
to lower edge of filler hole. Refer to
⇒ "4 Transfer Case, Checking Transmission Fluid Level", page
21 .
♦ Capacities and specification in the transfer case. Refer to
⇒ "2 Transfer Case Designation 0BU", page 2
♦ When replacing a front final drive, the gear oil must be filled
up to lower edge of filler hole. Refer to
⇒ "3 Axle Oil Level in Front Final Drive, Checking",
page 90 .
♦ Capacities and Specifications, Front Final Drive. Refer to
⇒ "3.2 Code, Transmission Allocation, Ratios and Capacities",
page 3 .
♦ When replacing a rear final drive, the gear oil must be filled up
to lower edge of filler hole. Refer to
⇒ "3 Rear Final Drive Axle Oil Level, Checking", page 42
♦ Capacities and Specifications, Rear Final Drive. Refer to
⇒ "4 Rear Final Drive Designation 0BN and 0BP", page 5
Sealant
♦ Thoroughly clean housing joint surfaces before applying the
Sealant - AMV 174 004 01- .
♦ Apply the Sealant - AMV 174 004 01- evenly and not too thick.
O-Rings, Shaft Seals, Sealing Rings and Seals
♦ Replace the O-rings.
♦ The open side of the shaft seals point toward the fluid to be
sealed in.
♦ When installing the new shaft seals, make sure the sealing lip
does not run on the same point as the sealing lip of the old
seal (use insertion depth tolerances).
. They apply
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with respect to the correctness of information in this document. Copyright by AUDI AG.
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Audi Q7 2007 ➤
5. General Repair Information
7