brake fluid FORD KUGA 2011 1.G Owner's Manual

• 4 minutes have elapsed since the button for the
heated windshield was pressed.
• The ignition switch is turned to the "I" or "0" position.
• The "Defrost" function is deactivated or the switch for the heated windscreen is pressed
again while the heated windscreen is still
switched on.
• The charging system warning indicator is switched on.
• The battery voltage falls below the threshold value for low battery voltage for more than 20
seconds (power management strategy). Manual
requests for switching on the heated windshield
by pressing the switch are ignored at this time.
• More than 4 minutes have passed since starting
the engine.
Heated rear window and heated external
mirrors
The GEM transmits a request signal via the CAN
bus to the door modules to switch on the heated
exterior mirrors.
The heated rear window and the heated exterior
mirrors are switched on by the GEM under the
following conditions:
• The switch for the heated rear window is pressed and the ignition switch is in the "II"
position.
• The "defrost" function of the air conditioning is activated and the ignition switch is in the position
"II".
• The battery voltage has exceeded 16 V for more
than 20 seconds (power management strategy).
Manual requests to switch off the heated rear
window by pressing the button are ignored at
this time.
• The engine was started at an outside air temperature below 4°C and an engine
temperature below 65°. Manual requests for
switching off the heated rear window by pressing
the switch are accepted.
NOTE: If the battery voltage returns to the normal
range then the disabling of the heated rear window
is cancelled - the heated rear window is then in a
switched-off state.
The GEM transmits a request signal via the CAN
bus to the door modules to switch off the heated
exterior mirrors. The heated rear window and the heated exterior
mirrors are switched off by the GEM under the
following conditions
• 14 minutes have elapsed since the button for
the heated rear window was pressed.
• The ignition switch is turned to the position "0", "I" or "III".
• The switch for the heated rear window is pressed or the "defrost" function of the air
conditioning is deactivated while the heated rear
window is switched on.
• The battery voltage has dropped below 10.3 V for more than 20 seconds (power management
strategy). Manual requests for switching on the
heated rear window by pressing the switch are
ignored at this time.
• More than 14 minutes have passed since starting the engine.
Ambient air temperature
The ambient air temperature sensor is connected
via a cable to the GEM. It measures the outside
air temperature to an accuracy of around ±0.5 °C.
The GEM broadcasts the ambient air temperature
on the medium speed CAN bus, where it can be
evaluated by various systems.
Brake fluid level
The brake fluid level switch is connected via a
cable to the GEM.
The GEM transmits a message on the medium
speed CAN bus. The instrument cluster then
transfers this message to the high speed CAN bus
where it is made available for various other
functions.
Automatic headlamps
Refer to: Exterior Lighting (417-01 Exterior Lighting,
Description and Operation).
Combined rain sensor/light sensor
Refer to: Exterior Lighting (417-01 Exterior Lighting,
Description and Operation). G1030788en
2008.50 Kuga 8/2011 419-10-9
Multifunction Electronic Modules
419-10-9
DESCRIPTION AND OPERATIONTO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

Generic Electronic Module (GEM)
Refer to Wiring Diagrams Section 419-10, for
schematic and connector information.
Special Tool(s) / General Equipment
Terminal Probe Kit
418-S035Digital multimeter
Ford approved diagnostic tool
Description of operation
A diagnosis of the generic electronic module (GEM)
can be performed with the Ford approved
diagnostic tool. Furthermore, an integrated service
mode enables testing of the input and output
signals without the need for further tools. To enable
activation of service mode:
• Switch off the ignition
• Switch off all other electrical consumers
• Apply the handbrake
• Shift to neutral
• Close the doors.
Activate service mode
Proceed as follows to activate service mode:
• PRESS and HOLD the switch of the heated rear
window
• SWITCH ON the ignition.
• RELEASE the switch of the heated rear window
A signal sounds and the turn signal lamps
illuminate to indicate that service mode has been
successfully activated.
NOTE: If the alarm is armed (in vehicles fitted with
an anti-theft alarm system), service mode cannot
be activated.
Input signals
SWITCH the windshield wiper switch to the "Off"
position to test the input signals. The following is
a list of the switch signals to be tested, in no
particular order: • Turn signals (right, left, hazard warning lights)
• Windshield wiper stage I
• Windshield wiper stage II
• Windshield washer system
• Rear window wiper
• Rear window washer system
• Doors open/closed
• Door key cylinder set/reset switch
• Remote control for central locking with double
locking
• Hood up/down (in vehicles fitted with anti-theft alarm system)
• Tailgate open/closed
• Mini liftgate open/closed
• Manual A/C request signal
• Manual AUX heater request signal
• Heated windshield (if fitted)
• Parking brake
• Brake fluid level
• Cruise control system
• Autolamps
• Dipped beam
• Main beam
• Headlamp flasher
• Side lights
• Reversing lamp
• Tailgate release
• Mini liftgate release
• Interior scanning system
• Ignition switch, terminal 15 (turn key to 0 position, then turn key to II position.)
An acoustic signal sounds and the turn signal
lamps flash to indicate receipt of each input signal
by the generic electronic module.
Test the windshield wiper "intermittent mode" stage
input signal (only vehicles with adjustable
intermittent mode)
The windshield wiper switch must be switched to
"intermittent mode" in order to test the input signal.
The delay times of the input signals can then be
tested by operating the rotary switch. Each change
of the rotary switch position is indicated by an
acoustic signal and illumination of the turn signals. G1055084en
2008.50 Kuga 8/2011 419-10-11
Multifunction Electronic Modules
419-10-11
DIAGNOSIS AND TESTINGTO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL29011A

Lubricants, Fluids, Sealers and Adhesives
Specification
ESD-M6C57-A /
WSSM6C57- A2
Super DOT 4 brake fluid
Front Brake Disc Specification
mm 300
Brake disc diameter
25
New brake disc nominal thickness
23
Worn brake disc discard thickness *
0.025
Maximum brake disc thickness variation
1.5
Worn brake pad discard thickness**
0.015
Maximum brake disc runout (installed)
* When the discard thickness has been reached, install a new brake disc and brake pads.
** When the discard thickness has been reached, install new brake pads.
Rear Disc Brake Specification
mm
Description
302
Brake disc diameter
11
New brake disc nominal thickness
9
Worn brake disc discard thickness *
0.025
Maximum brake disc thickness variation
1.5
Worn brake pad discard thickness **
0.1
Maximum brake disc runout (installed)
* When the discard thickness has been reached, install a new brake disc and brake pads.
** When the discard thickness has been reached, install new brake pads.
G1001201en2008.50 Kuga8/2011
206-00- 2
Brake System - General Information
206-00- 2
SPECIFICATIONS
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

Brake System
General EquipmentPressure/vacuum gauge set
The Ford approved diagnostic tool
The brake system operates by transferring effort
applied to the brake pedal by the driver to the
brakes at each wheel.
The braking effort is distributed to each wheel,
using a hydraulic system. The system is assisted
using a vacuum brake booster that reduces pedal
effort and increases hydraulic pressure.
The parking brake operates on the rear wheels
and is applied using a hand operated control.
Inspection and Verification
NOTE: Before carrying out any diagnosis, make
sure that the brake system warning indicator is
functional.
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Electrical
Mechanical
• Electricalconnector(s)
• Wiring harness(s)
• Switch(es)
• Tire pressure(s)
• Wheels and tires
• Fluid leak(s)
3. If an obvious cause for an observed or reported concern is found, correct the case (if possible)
before proceeding to the next step.
4. If the cause if not visually evident, verify the symptom and refer to the Symptom Chart.
Road Test
Carry out a road test to compare actual vehicle
braking performance with the performance
standards expected by the driver. The ability of the
test driver to make valid comparisons and detect
performance deficiencies will depend on
experience.
The driver should have a thorough knowledge of
the brake system operation and accepted general performance guidelines to make good comparisons
and detect performance concerns.
An experienced technician will always establish a
route that will be used for all brake diagnosis road
tests. The road selected will be reasonably smooth
and level. Gravel or bumpy roads are not suitable
because the surface does not allow the tires to grip
the road equally. Crowned roads should be avoided
because of the large amount of weight shifted to
the low set of wheels on this type of road. Once
the route is established and consistently used, the
road surface variable can be eliminated from the
test results.
Before a road test, get a complete description of
the customer concerns or suspected condition.
From the description, the technician will be able to
match possible causes with symptoms. Certain
components will be identified as possible sources
while others will be eliminated by the evidence.
More importantly, the customer description can
reveal unsafe conditions which should be checked
or corrected before a road test. The description will
also help form the basic approach to the road test
by narrowing the concern to specific components,
vehicle speed or conditions.
Begin the road test with a general brake
performance check. Using the description of the
concern, test the brakes at different vehicle speeds
using both light and heavy pedal pressure.
Determine if the concern is in the front or rear
braking system. First use the foot brake and then
the parking brake. If the condition (i.e. pull,
vibration, pulsation) occurs only on operation of
the parking brake, the concern is in the rear brake
system. If the condition occurs when the foot brake
is depressed, the concern is in the front brake
system.
Avoid locking the brakes and sliding the tires. This
condition will not indicate brake efficiency. A heavily
braked but turning wheel will stop the vehicle in a
shorter distance than locked wheels.
If the concern becomes evident during this check,
make sure it fits the description given before the
road test. If the concern is not evident, attempt to
duplicate the condition using the information from
the description.
If a concern exists, use the Brake System Symptom
Chart in order to isolate it to a specific sub-system
and condition description. From this description, a
list of possible sources can be used to further
G1058975en2008.50 Kuga8/2011
206-00-
4
Brake System - General Information
206-00- 4
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

narrow the cause to a specific component or condition.
Symptom Chart
Action
Possible Sources
Symptom
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads and linings.
• Brakes pull or drift
• INSTALL a new front brakedisc.
REFER to: Brake Caliper (206-
03 Front Disc Brake,
Removal and Installation).
• Abnormal wear or distortion of
front brake disc.
• ADJUST the parking brakecable.
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
• Incorrect rear brake adjust-
ment.
• ADJUST the wheel alignment.REFER to: (204-00 Suspension
System - General Information)
Front Toe Adjustment (General
Procedures),
Rear Toe Adjustment (General
Procedures).
• Incorrect wheel alignment
adjustment.
• ADJUST or INSTALL a newwheel bearing.
REFER to: Front Wheel
Bearing (204-01 Front
Suspension, Removal and
Installation).
• Incorrect wheel bearing preload
adjustment.
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Grease or fluid on the brake
shoes or brake pads; glazed
linings.
• INSTALL a new wheel cylinderor brake caliper.
REFER to: Brake Caliper (206-
04 Rear Disc Brake, Removal
and Installation).
• Stuck or seized wheel cylinders
or brake calipers.
• FILL the reservoir. CHECK thebrake and clutch system for
leaks including brake fluid in
the brake booster.
• Low brake fluid level.
• The red brake warning indicator
is always on
G1058975en2008.50 Kuga8/2011
206-00- 5
Brake System - General Information
206-00- 5
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

Action
Possible Sources
Symptom
• INSTALL a new brake mastercylinder.
REFER to: Brake Master
Cylinder - 2.5L Duratec
(147kW/200PS) - VI5 (206-06
Hydraulic Brake Actuation,
Removal and Installation).
• Leaking brake master cylinder
primary piston cup.
• FREE UP and ADJUST theparking brake cable.
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
INSTALL new components as
necessary.
• Parking brake control not fully
released.
• REFER to:Anti-Lock Control
(206-09 Anti-Lock Control,
Diagnosis and Testing).
• Malfunctioning anti-lock braking
system (ABS).
• REFER to:Instrument Cluster
(413-01 Instrument Cluster,
Diagnosis and Testing).
• Shorted indicator circuit.
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Grease or fluid on the brake
shoes or brake pads; glazed
linings.
• Vibration when the brakes are
applied
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads.
• TIGHTEN the caliper mountingbolt(s).
• Loose caliper mounting bolt(s).
•
• Excessive brake disc thickness
variation or brake disc runout.
• CHECK the tires. BALANCE orINSTALL new tires as neces-
sary.
REFER to: Wheels and Tires
(204-04 Wheels and Tires,
Diagnosis and Testing).
• Wheels and tires.
• TIGHTEN or INSTALL newwheel hub bolts as necessary.
• Loose or missing wheel hub
bolts.
• CARRY OUT a brake discrunout check.
• Worn or damaged brake drums
or brake discs.
G1058975en2008.50 Kuga8/2011
206-00- 6
Brake System - General Information
206-00- 6
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

Action
Possible Sources
Symptom
• FILL the reservoir. CHECK thebrake and clutch system for
leaks including brake fluid in
the brake booster.
• Low brake fluid level.
• Pedal goes down fast
• REPAIR the leak. CHECK theentire hydraulic system. FILL
and BLEED the brake system.
REFER to: (206-00 Brake
System - General Information)
Brake System Bleeding (General Procedures),
Brake System Pressure Bleeding (General Proced-
ures),
Component Bleeding (General
Procedures).
• Leak in the hydraulic system.
• CHECK for leaks. BLEED thebrake system. REFER to: (206-
00 Brake System - General
Information)
Brake System Bleeding (General Procedures),
Brake System Pressure Bleeding (General Proced-
ures),
Component Bleeding (General
Procedures).
• Air in the system.
• CARRY OUT a brake discrunout check.
• Brake disc “brake knock back”
(Brake pads push the brake
caliper piston back into the
brake caliper. Caused by
excessive brake disc lateral
runout or loose wheel bear-
ings.)
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn brake shoes or brake
pads.
• GO toPinpoint Test A.
• Worn brake master cylinder
piston cups or scored cylinder
bore.
G1058975en2008.50 Kuga8/2011
206-00- 7
Brake System - General Information
206-00- 7
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
A2: CHECK FOR BRAKE SYSTEM LEAKS
1 Check for external brake and clutch system
leaks. Refer to Brake Master Cylinder
Component Test in this procedure.
• Are any leaks present?
zYe s 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),
Component Bleeding (General Procedures).
TEST the system for normal operation.
zNo
GO to A3.
A3: PERFORM A BRAKE MASTER CYLINDER BYPASS CONDITION TEST
1 Carry out a brake master cylinder bypass
Condition Test. Refer to the Brake Master
Cylinder Component Test in this procedure.
• Was a concern found?
zYe s INSTALL a new brake master cylinder.
REFER to: Brake Master Cylinder - 2.5L
Duratec (147kW/200PS) - VI5 (206-06
Hydraulic Brake Actuation, Removal and
Installation).
TEST the system for normal operation.
zNo
VERIFY the customer concern.
PINPOINT TEST B : PEDAL EASES DOWN SLOWLY
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
B1: CHECK THE BRAKE PEDAL OPERATION
1 Depress the brake pedal.
• Does the pedal ease down slowly?
zYe s GO to B2.
zNoRefer to the Brake Master Cylinder
Component Test in this procedure.
G1058975en2008.50 Kuga8/2011
206-00- 11
Brake System - General Information
206-00- 11
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
B2: CHECK FOR BRAKE SYSTEM LEAKS
1 Check for external brake system leaks.
• Are any leaks present?
zYe s 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),
Component Bleeding (General Procedures).
TEST the system for normal operation.
zNo
GO to B3.
B3: PERFORM A BRAKE MASTER CYLINDER BYPASS CONDITION TEST
1 Carry out a brake master cylinder bypass
Condition Test. Refer to the Brake Master
Cylinder Component Test in this procedure.
• Was a concern found?
zYe s INSTALL a new brake master cylinder.
REFER to: Brake Master Cylinder - 2.5L
Duratec (147kW/200PS) - VI5 (206-06
Hydraulic Brake Actuation, Removal and
Installation).
TEST the system for normal operation.
zNo
GO to B4.
B4: CHECK THE BRAKE BOOSTER CHECK VALVE
1 Disconnect the brake booster check valve
vacuum hose at the manifold.
2Blow into the hose attached to the brake booster
check valve.
• Does air pass through the valve?
zYe s INSTALL a new brake booster check valve.
zNoGO to B5.
B5: CHECK THE BRAKE BOOSTER CHECK VALVE VACUUM
1 Run the engine at idle.
G1058975en2008.50 Kuga8/2011
206-00-
12
Brake System - General Information
206-00- 12
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
F2: CHECK FOR BRAKE PEDAL BINDING
1 Check the brake pedal for free operation.
• Did the brake pedal operate freely?
zYe s INSTALL a new brake booster. TEST the
system for normal operation.
zNoINSTALL new brake pedal bushings. TEST
the system for normal operation.
Component Tests
Hydraulic Leak Check
NOTE: There is a common clutch and brake fluid
reservoir, therefore it is possible that a clutch leak
can lead to reduction in the reservoir level.
It is possible that all evidence of fluid leakage may
have washed off if the vehicle has been operated
in rain or snow, as brake fluid is water-soluble.
Refill the system, bleed then apply the brakes
several times. Examine the system to verify that
the reservoir fluid level is actually dropping. Locate
and repair the external leak. If the fluid level drops
and no external leak can be found, check for a
brake master cylinder bore end seal leak.
Brake System Check
Brake Pedal Reserve Check
Where a low brake pedal or the feel of a
bottomed-out condition exists, check for brake
pedal reserve.
1. Operate the engine at idle with the transaxle in the NEUTRAL position.
2. Apply the brake pedal lightly three or four times.
3. Allow 15 seconds for the vacuum to replenish the brake booster.
NOTE: This increased resistance may feel like
something has bottomed out.
4. Apply the brake pedal until it stops moving downward or an increased resistance to the
pedal travel occurs. 5. Hold the brake pedal in the applied position and
raise the engine speed to approximately 2000
rpm.
NOTE: The additional movement of the brake pedal
is the result of the increased engine manifold
vacuum which exerts more force on the brake
booster during engine rundown. This means that
additional stroke is available in the brake master
cylinder and the brake system is not bottoming out.
6. Release the accelerator pedal and observe that the brake pedal moves downward as the engine
returns to idle speed.
Brake Booster Functional Test
Inspect all hoses and connections. All unused
vacuum connectors should be capped. Hoses and
their connections should be correctly secured and
in good condition with no holes and no collapsed
areas. Inspect the check valve on the brake booster
for damage.
Brake Booster Operation Check
1. Check the hydraulic brake system for leaks orlow fluid.
2. With the transaxle in the NEUTRAL position, stop the engine and apply the parking brake.
Apply the brake pedal several times to exhaust
all the vacuum in the system.
3. With the engine turned off and the vacuum in the system exhausted, apply the brake pedal
and hold it down. Start the engine. If the vacuum
system is operating, the brake pedal will tend
to move downward under constant foot
pressure. If no motion is felt, the vacuum
booster system is not functioning.
G1058975en2008.50 Kuga8/2011
206-00- 17
Brake System - General Information
206-00- 17
DIAGNOSIS AND TESTING
TO MODEL INDEX
BACK TO CHAPTER INDEX
FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL