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The essentials
●
Z
one
B
: You can add oil but keep the level
in th
at
zone.
●
Zone
C
: Add oil up to zone
B
.
T
op
pin
g up engine oil
●
Unscrew cap from oil filler opening.
●
Add oil slowly.
●
At the same time, check the level to ensure
you do not add too much.
●
When the oil level reaches at least zone
B
,
u
n
s
crew the engine oil filler cap carefully.
Specifications of engine oil with a service de-
pendent on time/distance travelled
44 kW - 55 kW Petrol en-
gines
VW 504 00, VW 502 00
Natural gas engine VW 502 00
››› in Topping up engine oil on
page 191
››› page 188
Coolant
Fig. 42 Engine compartment: coolant expan-
s
ion t
ank
cap.
The coolant tank is located in the engine
c
omp
ar
tment.
When the engine is cold, replace the coolant
when the level is below .
Coolant specifications
The engine cooling system is supplied from
the factory with a specially treated mixture of
water and at least 40 % of the additive G13
(TL-VW 774 J), purple. This mixture gives the
necessary frost protection down to -25 °C
(-13 °F) and protects the light alloy parts of
the engine cooling system against corrosion.
It also prevents scaling and considerably rai-
ses the boiling point of the coolant.
To protect the cooling system, the percentage
of additive must always be at least 40 %,
even in warm climates where anti-freeze pro-
tection is not required.
If for weather reasons further protection is
necessary, the proportion of additive may be
increased, but only up to 60 %; otherwise an-
tifreeze protection will diminish and this will
worsen cooling.
When the coolant is topped up, use a mixture
of distilled water and at least 40 % of the
G13 or G12 plus-plus (TL-VW 774 G) additive
(both are purple) to obtain an optimum anti-
corrosion protection ›››
in Checking the
c
oo
l
ant level and topping up on page 194.
The mixture of G13 with G12 plus (TL-VW 774
F), G12 (red) or G11 (green-blue) engine cool-
ants will significantly reduce anti-corrosion
protection and should therefore be avoided
›››
in Checking the coolant level and top-
pin
g up on p
ag
e 194.
››› in Checking the coolant level and
topping up on page 193
››› page 191
32
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