| TEST RESULTS |
| 1 | AUXILIARY UNITS BELT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check whether the noise disappears if the belt is disconnected | Move on to Step 2 | 1. The whistling noise stops2. The whistling noise remains constant | 1. Continue as instructed in the See table S010 ENGINE WHILSTLING / SERVICES BELT NOISY2. Move on to Step 2 |
| 2 | ALTERNATOR CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the alternator and in particular- the condition of the bearing- the correct fastening of the pulley | Move on to Step 3 | 1. Alternator bearing damaged2. Incorrect pulley fastening | 1. Replace the alternator Op. 5530A10 ALTERNATOR - R+R 2. Restore correct pulley fastening Op. 5530A30 ALTERNATOR PULLEY OR FAN - R+R WITH ALTERNATOR REMOVED |
| 3 | TIMING BELT TENSIONING CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the belt tensioning is not excessive | Move on to Step 4 | Excessive belt tensioning | Restore the correct timing belt tensioning. |
| 4 | TIMING BELT TENSIONER CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the belt tensioners and in particular the condition of the corresponding bearings. | Move on to Step 5 | 1. Fixed belt tensioner bearing damaged2. Moving belt tensioner bearing damaged | 1. Replace the fixed belt tensioner.2. Replace the moving belt tensioner. |
| 5 | WATER PUMP CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the water pump and in particular the condition of the bearing | End of diagnosis | Water pump bearing damaged | Replace the water pump Op. 1088C10 WATER PUMP - R + R Op. 1088C14 WATER PUMP - R + R WITH TIMING BELT(S) REMOVED |
