PARTS DESCRIPTION
1 Heat exchanger (heater)
2 Heater hose
3 Engine
4 Bottom radiator hose
5 Top radiator hose
CONNECTION PROCEDURE
The connection procedure will vary according to the type of cooling
system fitted to the vehicle.
For vehicles fitted with a pressurized expansion tank where there is
an auxiliary pipe fitted that connects directly between the expansion
tank and engine side of the thermostat (see figure on the right side).
All that is required is to disconnect this pipe from the expansion tank
and connect the gauge to the pipe.
Blocking off the open expansion tank can reduce spillage but is not
required for the test.
Some vehicles that are fitted with a pressurized expansion tank have
the auxiliary pipe on the radiator side of the thermostat (see figure on
the right side); the gauge connection needs to be made via a pipe
that has direct access to the engine block. In most cases this would
be via the heater pipe that feeds the heat exchanger (heating) from
the engine.
For vehicles that are not fitted with a pressurized expansion tank
(see figure on the right side), the gauge connection needs to be
made via a pipe that has direct access to the engine block. In most
cases this would be via the heater pipe that feeds the heat
exchanger (heater) from the engine.
BGS technic KG
Bandwirkerstr. 3
D-42929 Wermelskirchen
Tel.: 02196 720480
Fax.: 02196 7204820
mail@bgs-technic.de
6
Expansion tank
7
Thermostat housing
8
Radiator
9
Recommended gauge connection
10 Radiator cap
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