| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | 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 | OIL LEAKS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Visually inspect for fluid leaks in the braking system circuit. | Move on to Step 2 | 1. Fluid leak detected | 1. Retighten connectorsOp. 3330A HYDRAULIC BRAKING SYSTEM TESTS AND CHECKS | 
| 2. Component defective | 2. Replace the defective component | 
| 2 | CHECK FOR FLUID LEAKS FROM BRAKE PUMP | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Disconnect the non-return 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 | CHECK FOR AIR IN THE CIRCUIT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check for any air in the braking circuit | Move on to Step 4 | Air in the circuit | Bleed the air from the system    Op. 0010T65 HYDRAULIC BRAKE SYSTEM - BLEED AIR | 
| 4 | REAR BRAKE CLEARANCE RECOVERY DEVICE CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check that the rear brakes clearance recovery device is working efficiently. | End of diagnosis | Rear brake caliper faulty. | Replace the rear brake caliper involved    Op. 3310B36 REAR BRAKE CALIPER (ONE), LEFT OR RIGHT - R.R |