199000770 - F005 BRAKE PEDAL OSCILLATION

The vehicle vibrates and the pedal oscillates during braking
Results of the tests
1OSCILLATION CHECKAll OKProblems encounteredOperation
Press the brake pedal gently with the vehicle moving.With the vehicle moving and the brake pedal released, partly activate the handbrakeMove on to Step 21. The oscillation is only present at the brake pedal2. The oscillation is noticeable at both the brake pedal and the handbrake lever1. Replace the front brake discs    Op. 3310A48 FRONT BRAKE DISC (ONE), LEFT OR RIGHT - R.R 2. Replace the rear brake discs    Op. 3310B48 REAR BRAKE DISC (ONE), LEFT OR RIGHT - R.R.
2OSCILLATION PERSISTANCE CHECKAll OKProblems encounteredOperation
Carry out the tests described in the previous step having replaced the brake discsMove on to Step 31. The vibration only persists at the brake pedal2. The vibration persists at both the brake pedal and the handbrake lever1. Replace the front hubs    Op. 4450C28 FRONT WHEEL HUB,LEFT OR RIGHT - R.R WITH WHEEL REMOVED, CHECK WHEEL GEOMETRY SEPARATELY 2. Replace the rear hubs    Op. 4450D10 HUB FOR ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED - CHECK WHEEL GEOMETRY SEPARATELY
3CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Test the vehicle before returning it to the customer, checking that the problem no longer exists
The test is essential becaues the braking system is one of the vehicle''s safety systems
End of diagnosis