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OPERATING INSTRUCTIONS
Fan
_
n e fan is driven electrically and con-
rolled by a thermoswitch which is ac-
:jated by the coolant temperature.
.'/hen the engine is hot, the fan may
:ontinue to run when the engine has
:een stopped or it may switch on
suddenly - even when ignition is off.
Notes
If the fan is not running although the
loolant temperature is very high, the
^jse should be checked and renewed if
-ecessary - see page 94.
The speed of the fan does not depend
: n engine speed. The cooling effect can-
•ot therefore be increased by changing
aown.
-s long as the engine runs amoothly and
a gradient can be taken without a large
3rop in speed it is not necessary to
mange down.
Driving in winter
The mixture put in the system by the fac-
tory provides frost protection down to
about -25° C. To ensure that frost pro-
tection is adequate, the coolant should
be checked before the cold season be-
gins and if necessary coolant additive
G 11 (undiluted) added.
If greater protection against frost is re-
quired, the proportion of G 11 additive
can be increased, but only up to 60%
otherwise the anti-freeze protection is
reduced and furthermore the cooling
effect is impaired.
Vehicles for export to cold countries
usually have frost protection down to
-35° C.
www.WestfaliaT3.info - a useful website for owners and enthusiasts of VW Westfalia T25 / T3 / Vanagon Campervans

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