Coupling Socket Load; Rear Axle Load During Towing - Vauxhall VIVARO Owner's Manual

The permissible caravan/trailer loads for
your vehicle are given in the vehicle papers.
Unless otherwise stated, they are valid for
gradients up to max. 12%.
The permissible caravan/trailer load should
be fully utilized only by drivers who are
adequately experienced in towing large
caravans/trailers.
In higher elevations the engine output and
gradability may drop so that it may not be
possible for the permissible caravan/trailer
loads to be fully utilized in mountainous
territory.
The actual caravan/trailer load plus the
actual gross vehicle weight must not
exceed the maximum permitted towing
weight. For example, if the permitted gross
vehicle weight is utilised, the caravan/
trailer load must only be used until the
maximum permitted towing weight is
reached. The maximum permitted towing
weight is shown on the identification plate,
see page 161.
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Coupling socket load

The coupling socket load is the load
exerted by the caravan/trailer on the
coupling ball. It can be varied by changing
the weight distribution when loading the
caravan/trailer.
The maximum permissible coupling socket
load for the towing vehicle, stated on the
label, should always be aimed for,
particularly in the case of heavy caravans/
trailers. The coupling socket load should
never be below 25 kg.
In the case of caravan/trailer loads of
1200 kg or more, the coupling socket load
should not be less than 50 kg.
When measuring the coupling socket load,
make sure that the drawbar of the loaded
caravan/trailer is at the same height as it
will be when the caravan/trailer is coupled
with the towing vehicle loaded. Particularly
important for trailers/caravans with
tandem axle.

Rear axle load during towing

When the caravan/trailer is coupled and
the towing vehicle fully loaded (including
all occupants), the permissible rear axle
load must not be exceeded.
Roof rack, caravan and trailer towing
Tyre inflation pressure
Increase the tyre pressure on the towing
vehicle to the value specified for full load
(see page 167). Also check the pressure of
the caravan/trailer tyres.
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