Pinpoint Test B: The Parking Brake Will Not Release - Ford 2007 WQ Fiesta Repair Manual

206-05-7 Parking Brake and Actuation 206-05-7
DIAGNOSIS AND TESTING
B1: CHECK PARKING BRAKE CONTROL
rn
Raise and support the vehicle on a lift with the
parking brake fully applied.
REFER to: Lifting (1 00-02, Description and
Operation).
-
With the aid of another technician, release the
parking brake and check the operation of the
brake cables and levers.
Did the parking brake release?
+
Yes
CHECK the other causes such as conven-
tional brake system components. REPAIR or
INSTALL new components as necessary.
+
No
GO to B2.
B2: CHECK PARKING BRAKE CABLES
rn
Loosen the parking brake cable tension.
-
Rotate the rear wheels by hand.
Did the rear wheels turn freely?
+
Yes
INSTALL a new parking brake control.
REFER to: Parking Brake Control (206-05,
Removal and Installation).
TEST the system for normal operation.
+
No
GO to 83.
B3: CHECK FRONT PARKING BRAKE CABLE
Disconnect the parking brake front cable and
conduit from the rear brake cable and conduit
at the equalizer.
-
Rotate the rear wheels by hand.
Did the rear wheels turn freely?
+
Yes
INSTALL a new front parking brake cable and
conduit.
REFER to: Parking Brake Cable (206-05,
Removal and Installation).
TEST the system for normal operation.
+
No
GO to B4.
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2006.0 Fiesta
1212006
G I 7495en
PINPOINT TEST B : THE PARKING BRAKE WILL NOT RELEASE
TEST CONDITIONS DETAl LSIRESU LTSIACTIONS