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– Check sliding sunroof drain holes -arrows- for dirt and clean if
necessary.
– Pour tap water into sliding sunroof drains and check if almost
the same quantity of water flows out of the wheel housings.
If this is the case, the test is completed. If only a small quantity of
water or no water at all flows out of the wheel housings, carry out
the following repair measure.
Note
The repair measure is carried out subject to a separate charge.
4.39 Window wash/wipe system and head‐
light washer system: Check function and
for damage, replenish fluid if necessary
Checking anti-freeze content of fluid, topping up fluid.
⇒ page 104
Window wash/wipe system and headlight washer system: Check
jet setting, adjust jets if necessary ⇒ page 105
4.39.1 Checking anti-freeze protection of fluid,
topping up fluid
Checking anti-freeze concentration:
Special tools and workshop equipment required
♦ Refractometer -T10007 A-
– Read precise value for the following tests at light/dark boun‐
dary.
– Using a pipette, place a drop of water on the glass to improve
the readability of the light/dark boundary.
The bright/dark boundary can be clearly recognised on the „WA‐
TERLINE“.
– Check concentration of anti-freeze additive using refractome‐
ter -T10007 A- (refer to operating instructions).
Touareg 2010 ➤
Maintenance - Edition 11.2011
104 4. Descriptions of work
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