General Repair Notes - Volkswagen Golf 2013 Workshop Manual

The gearbox has an opening in the housing.
– Ensure that no small parts fall into this opening during repairs
-arrow-. Cover the opening if necessary.
Gearbox oil
The 7-speed dual clutch gearbox has two separate and different
oil systems. One for the gear oil section -arrow A- and one for the
hydraulic fluid section -arrow B-.
Only the types of gear oil available as a replacement part may be
used for the dual clutch gearbox 0CW. Other oils will lead to mal‐
functions or failure of the gearbox, part number ⇒ Electronic Parts
Catalog (ETKA) .
The oil level in the gearbox cannot be checked. The correct gear
oil level can only be achieved by renewing the gear oil, e.g. if the
gearbox is leaking
⇒ "8.1 Draining and filling gear oil", page 121
5.2

General repair notes

♦ To ensure flawless and successful gearbox repairs, the great‐
est care and cleanliness as well as the use of good and proper
tools are essential. Of course, the basic rules for safety also
apply during repair work.
♦ A number of generally applicable instructions for the various
repair procedures which were previously repeated at numer‐
ous places in the workshop manual are summarised here.
They apply to this workshop manual.
Guided fault finding, vehicle self-diagnosis and testing
♦ Before performing repairs on the gearbox, determine the exact
cause using vehicle diagnostic tester
,
ing Vehicle self-diagnosis
modes.
Gearbox
♦ Do not run the engine or tow the vehicle with oil pan removed
or when there is no gear oil in the gearbox.
♦ Thoroughly clean all joints and surrounding areas before dis‐
mantling.
♦ When installing, ensure that the dowel sleeves are fitted cor‐
rectly.
Locking devices
♦ Do not overstretch retaining rings.
♦ Always renew retaining rings which have been damaged or
overstretched.
♦ Retaining rings must locate properly in grooves.
7-speed dual clutch gearbox 0CW - Edition 10.2012
.
Guided fault find-
and
Test instruments
Golf 2013 ➤
9
5. Repair instructions