| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| First of all check whether the problem is accompanied by poor braking action | Move on to Step 1 | There is also poor braking action | Proceed as instructed in the diagnosis See table F001 POOR BRAKING ACTION |
| 1 | FLUID LEAKS CHECK | All OK | Problems encountered | Operation |
|---|
| Visually inspect for fluid leaks in the braking system circuit | Move on to Step 2 | 1. Fluid leak detected2. Component defective | 1. Retighten connectors2. Replace the defective component |
| 2 | FLUID LEAKS FROM BRAKE PUMP CHECK | All OK | Problems encountered | Operation |
|---|
| Disconnect the check valve connector from the brake servo and introduce a pipe cleaner in order to reach the lowest part of the brake servo chamber. Check that there is no fluid in the chamber | Move on to Step 3 | Fluid in the brake servo chamber | Replace brake servo Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R. |
| 3 | AIR IN THE CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check for any air in the braking circuit | Move on to Step 4 | Air in the circuit | Bleed the air from the system |
| 4 | REAR BRAKE CLEARANCE TAKE-UP DEVICE CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the rear brake clearance take-up device is working efficiently | End of diagnosis | Rear brake calliper faulty | Replace the rear brake calliper involved Op. 3310B36 REAR BRAKE CALIPER (ONE), LEFT OR RIGHT - R.R |
