3022603 - F10 EXCESSIVE BRAKE PEDAL FREE PLAY

When the brake pedal is depressed, its travel is longer than the normal operating travel.
Results of the tests
1CHECKING BRAKE PEDAL SOFTNESSAll OKProblems metOperation
Check that the brake pedal is not softCheck brake fluid levelCheck that there are no fluid leaks from: connectors, pipes, hoses, brake adjuster, reservoir, wheel cylinders, master cylinderCheck that the flexible couplings expand under the braking actionCheck that the hole in the brake fluid reservoir is not blockedContinue to Step 2Pedal softBleed the air Op.   3330A14 
Fluid missing from reservoir because of leakTighten the connectors or replace the part generating the leak, then top up to the medium level Op.   3330A10 
Fluid missing, but leak not visibleMove on to Step 2
Front hoses dilateReplace hoses
Hole blockedClean hole
2CHECK BRAKE PEDALAll OKProblems metOperation
Check that the brake pedal does not have two pressure stages and that it returns promptlyContinue to Step 3 The pedal jumps: one chamber is not holding pressureReplace the brake servo/pump assembly Op.   3330D02 
The pedal returns after a delay: master cylinder fault.Replace pump/ servo brake assembly Op.   3330D02 
The pedal returns after a delay: front caliper fault.Replace calipers Op.   3310A30 
The pedal returns after a delay: rear caliper fault.Replace calipers Op.   3310B36 
3CHECKING EFFICIENCY OF HANDBRAKE SELF-ADJUSTERAll OKProblems metOperation
Check the efficiency of the handbrake self-adjuster, by pulling the handbrakeContinue to Step 4Device faultyChange the device
4CHECKING BRAKE PEDAL SOFTNESSAll OKProblems metOperation
Check whether the pedal becomes too soft after several braking actions (Vapour loop)Continue to Step 5The pedal becomes softReplace brake-clutch fluid Op.   0010T62 
The pedal becomes softChange the brake fluid Op.   0010T60 
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Test the vehicle before delivery to the customer, to check that the fault is no longer present.
The test is essential, as the braking system involves a safety feature of the car
Fault persistsSearch for the fault starting from another symptom'