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1.
caution |
The check valve should not be
removed from the vacuum hose.
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Remove the vacuum hose (Refer to ).
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![](../../../img/35/AC314141AB00ENG.png)
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2.
caution |
If the check valve is
defective, replace it as an assembly unit
together with the vacuum hose.
|
Check the operation of the check valve by using a
vacuum pump.
Vacuum pump
connection
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Normal condition
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When
connected to the booster side (A)
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Vacuum
is generated and maintained
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When
connected to the engine side (B)
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No
vacuum is generated
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