|
1.
caution |
The check valve should not be
removed from the vacuum hose.
|
Remove the vacuum hose (Refer to ).
|
![](../../../img/35/AC000873AE00ENG.png)
|
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
|
Accept/reject
criteria
|
Connection at the brake booster
side (A)
|
A
negative pressure (vacuum) is created and
held.
|
Connection at the intake manifold
side (B)
|
A
negative pressure (vacuum) is not
created.
|
|