Pinpoint Test C: Vibration When Brakes Are Applied - Ford 2007 WQ Fiesta Repair Manual

206-00-1 3 Brake System
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General Information 206-00-1 3
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESU LTSIACTIONS
I
B2: CHECK BRAKE SYSTEM FOR LEAKAGE
1
rn
Check the brake master cylinder reservoir
sealing points and external brake and clutch
system for leaks. Refer to the brake master
cylinder component tests in this section.
Does the system leak?
-+
Yes
REPAIR as necessary. ADD fluid and BLEED
the brake system. REFER to: (206-00 Brake
System
-
General Information)
Brake System Bleeding (General Procedures),
Brake System Pressure Bleeding (General
Procedures).
TEST the system for normal operation.
183: CHECK BRAKE WARNING SWITCH OR WIRING
I
I
rn
Ignition switch in position II.
I
Remove the brake master cylinder reservoir
filler cap or switch. Allow the float to rest at its
lowest point.
Does the brake warning indicator illuminate?
-+
Yes
The switch or wiring is OK. TEST the system
for normal operation.
-+
No
REFER to: lnstrument Cluster
-
Vehicles Built
I Up To: 1012005 (41 3-01 Instrument Cluster,
I
Diagnosis and Testing).
PINPOINT TEST C : VIBRATION WHEN BRAKES ARE APPLIED
TEST CONDITIONS DETAl LSIRESU LTSIACTIONS
C l : ROAD TEST THE VEHICLE
Road test the vehicle without applying the
brakes at 40-80 kmlh (25-50 mph).
Is a vibration present?
-+
Yes
REFER to: Noise, Vibration and Harshness
(NVH) (1 00-04 Noise, Vibration and Harsh-
ness, Diagnosis and Testing).
After servicing, TEST the system for normal
operation.
-+
No
GO to C2.
2006.0 Fiesta
1212006 G28494en