I7 CHECK THE VACUUM RESERVOIR FOR A LEAK
Connect the vacuum pump reservoir line to the vacuum reservoir.
With the vacuum pump connected to the vacuum reservoir line, leak test the vacuum
reservoir.
Does the vacuum reservoir leak?
Yes
INSTALL a new vacuum reservoir. TEST the system for normal operation.
No
GO to
I8
.
I8 CHECK THE EATC MODULE VACUUM SOURCE LINE FOR BLOCKAGE
Disconnect the EATC module vacuum connector.
Connect the vacuum pump to the EATC module vacuum source line and attempt to pull
a vacuum.
Can a vacuum be pulled on the EATC module vacuum source line?
Yes
REPAIR or INSTALL a new EATC module vacuum source line. TEST the system
for normal operation.
No
GO to
I9
.
I9 CHECK THE EATC MODULE VACUUM SOURCE LINE FOR LEAKS
Plug the EATC module vacuum source line at the EATC module connection.
Leak test the EATC module vacuum source line using the vacuum pump.
Does the EATC module vacuum source line leak?
Yes
REPAIR or INSTALL a new EATC module vacuum source line. TEST the system
for normal operation.
No
INSTALL a new EATC module (19980). TEST the system for normal operation.
I10 CHECK THE VACUUM CONTROL MOTOR LINE FOR BLOCKAGE
Ignition OFF.
Disconnect the EATC module vacuum connector.
Disconnect the vacuum line from the appropriate vacuum control motor noted in step I1.
Connect the vacuum pump to the appropriate vacuum control motor line noted in step
I1, and attempt to pull a vacuum.
Can a vacuum be pulled on the vacuum control motor line?
Yes
REPAIR or INSTALL a new plenum vacuum harness (19C827). TEST the system
for normal operation.
No
GO to
I11
.
Page 25 of 47
2003 Taurus/Sable Workshop Manual
11/22/2011
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS3H/~MUS~LEN/19/...
