1.2 General Repair Information
The maximum possible care and cleanliness and proper tools are
essential to ensure satisfactory and successful transmission re‐
pairs. The usual basic safety precautions also apply when carry‐
ing out vehicle repairs.
A number of generally applicable instructions for individual repair
operations, which are otherwise mentioned at various points in
the Workshop Manual, are summarized here. It applies to this
repair manual.
1.3 Contact Corrosion
Contact corrosion can occur if non-approved fasteners are used
such as bolts, nuts, washers, etc.
For this reason, only connecting elements with a special surface
coating are installed.
In addition, rubber or plastic parts and adhesive are made of ma‐
terials that do not conduct electricity.
If you are not sure about the suitability of parts, install new parts.
Refer to the electronic parts catalog ETKA.
Note
♦
The transmission housing consists of a magnesium alloy.
♦
We only recommend original replacement parts. They have
been checked and are compatible with aluminum.
♦
It is recommended to use Audi accessories.
Caution
Warranty does not cover contact corrosion damage.
1.4 Repair Instructions
Special Tools and Equipment
♦ Complete list of special tools used in this Workshop Manual,
see ServiceNet under Special Tools.
Transmission
♦ Thoroughly clean all connections and the surrounding area
before disconnecting.
♦ When installing the transmission, make sure that the align‐
ment sleeves between the engine and transmission are posi‐
tioned correctly.
♦ Allocate bolts and other component using the. Refer to the
electronic parts catalog ETKA.
♦ When installing mounting brackets, as well as other waxed
components, the contacts surfaces must be cleaned. Contact
surfaces must be free of grease and wax.
♦ After replacement of the manual transmission with a bevel
box, check the oil level in the manual transmission. Refer to
⇒ “1.1 Manual Transmission, Checking Gear Oil Level”, page
47 and in the bevel box
⇒ “1.2 Gear Oil in Bevel Box, Checking”, page 48 .
♦ Capacities, refer to
⇒ “3.1 Code Letters, Assembly Allocation, Ratios and Capaci‐
Audi TT 2007 ➤
Manual Transmission - Edition 10.2009
2 Rep. Gr.00 - General, Technical Data