Pinpoint Test H: Excessive Or Erratic Brake Pedal Travel - Ford 2007 WQ Fiesta Repair Manual

206-00-22 Brake System
-
General Information 206100-22
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESULTSIACTIONS
G5: CHECK PRESSURE CONSCIOUS REDUCING VALVE-LEFT-HAND REAR
Install pressure gauges in the right-hand front
and left-hand rear bleed nipples. Apply the brake
to read 6895 kPa (1000 psi) at the right-hand
front wheel.
-
Read the pressure at the left-hand rear wheel.
Does the pressure gauge read between 4692-
5164 kPa (680-750 psi) at the lefl-hand rear
wheel?
-+
Yes
TEST the brake booster. Go to Pinpoint Test
I.
-+
No
INSTALL a new left-hand rear brake pressure
control valve. 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.
PINPOINT TEST H : EXCESSIVE OR ERRATIC BRAKE PEDAL TRAVEL
TEST CONDITIONS DETAILS/RESULTSlACTIONS
H I : ROAD TEST THE VEHICLE
Road test the vehicle under rough road condi-
tions. Apply the brakes slowly.
Is the pedal travel OK?
-+
Yes
Vehicle OK.
+
No
GO to H2.
2006.0 Fiesta
12/2006 G28494en