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4.31
Window wash/wipe system and head‐
light washer system: Functional check
Check anti-freeze concentration of Windscreen Clear -G 052
.
Window wash/wipe system: Check spray jet settings and adjust
Headlight washer system: Check spray jet settings
Windscreen wiper blades: Check park position
.
4.31.1
Checking anti-freeze protection of fluid,
topping up fluid
Special tools and workshop equipment required
♦ Refractometer -T10007 A-
Read precise value for the following tests at bright/dark boundary.
Using a pipette, place a drop of water on the glass to improve the
readability of the bright/dark boundary. The bright/dark boundary
can be clearly recognised on the “WATERLINE”.
– Check concentration of anti-freeze additive using refractome‐
ter -T10007 A- .
The scale -4- of the refractometer is calibrated for Windscreen
Clear -G 052 164- .
Mixture ratio:
Frost protection
to
Windscreen Clear
G 052 164
Water
-17/-18 ℃
1 part
3 parts
-22/-23 ℃
1 part
2 part
-37/-38 ℃
1 part
1 part
Replenishing fluid:
The fluid reservoir of the window washer system must be filled
completely.
Golf 2013 ➤
Maintenance - Edition 10.2012
4. Descriptions of work
71