|
2.Disconnect the vacuum hose
from the vacuum actuator, and then connect a vacuum gauge
via
the three-way joint.
3.Start the engine and verify
that a vacuum is applied to the vacuum gauge.
4.As
described in the chart below, vary the engine speed to
inspect the vacuum conditions.
During this inspection, verify that the rod of the vacuum
actuator is operating.
|
|
Engine
speed
|
Normal
condition
|
Control
valve
|
2,500 r/min or
less
|
Vacuum
maintained
|
Closed
|
Within 2,500 r/min or
less, engine is suddenly
raced
|
Vacuum not
change
|
Closed
|
3,500 r/min or
more
|
Vacuum leaks
|
Open
|
|
|